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أحمد عبد الباقي إبراهيم محمد

chemistry department coordinator

أستاذ مشارك
كلية العلوم والآداب
قسم الكيمياء

وصف عام

Name	Ahmed Abdelbagi Ibrahim Mohammed
College	Science and Arts	ID number	2279493924
Department	Chemistry	Marital status	married
Major	Inorganic chemistry (materials science)	Email	ahmedragal@yahoo.com
Nationality	Sudanese	University email	aaibrahim@nu.edu.sa
Date of birth	1/1/1962	Mobile	00966559707759
Place of birth	Sudan	Facebook	-
Address	Najran university Science and Arts, chemistry department	Twitter	-

0175427250

aaibrahim@nu.edu.sa

المؤهلات العلمية

الخبرات

التخصصات والمهارات

المهام الوظيفية: القيام بالتدريس وإجراء البحوث العلمية

الدورات التدربية

الدورات التدربية:

دورة في البور بوينت
دورة في الفلاش
دورة في الفوتوشوب
استخدام تقنيات التعليم في التدريس
دورة بناء الامتحانات الالكترونية
دورة في التعليم الإلكتروني
دورة في أجهزة الكروماتوغرافيا

الأبحاث العلمية

الأوراق العلمية العلمية المنشورة في I

No.	Title of the paper / book	Date of publication	Journal/ publisher	Ranking	Impact Factor
147	Divya Gautam,Vishal Rana,Saurabh Sharma,Yogesh Kumar Walia,Kuldeep Kumar,Ahmad Umar, Ahmed A. Ibrahim, and Sotirios Baskoutas Hemicelluloses: A Review on Extraction and Modification for Various Applications	2025	ChemistrySelect http://dx.doi.org/10.1002/slct.202406050	Q2	*2.0*
146	Ahmad Umar, Ahmad A. Ibrahim, Mohsen A. M. Alhamami, and Sajid Ali Ansari "High-Performance Co3O4–NiO Nanosheet Electrodes for Advanced Supercapacitor Applications"	2025	journal of nanoelectronics and optoelectronics 20, 255–260 (2025	Not yet quartile	*1.069*
145	Wenxiu Hou, Shahid Hussain, Pengjia Yan, Ahmad Umar, Ahmed A. Ibrahim, Chencan Jing, Hai Liu, Ling Bai " Co-Ddoped ZnO/ZIF-8 Nanorods Arrays for Outstanding Detection Performances Towards Acetone"	2025	journal of nanoelectronics and optoelectronics 20, 428–436 (2025)	Not yet quartile	*1.069*
144	Ahmad Umar, Ahmad A. Ibrahim, Mohsen A. M. Alhamami, and Sajid Ali Ansari "Enhanced Photocatalytic Degradation of Organic Pollutants Using ZnO–SnO2/Sn6O4(OH)4 Composites Under UV Light Irradiation"	2025	journal of nanoelectronics and optoelectronics 20, 146–152 (2025)	Not yet quartile	*1.069*
143	Batool Taher Al-Abawi, Nazish Parveen, Sajid Ali Ansari, Haya Abdullah Al-Dosari, Haidar Khalid Alshaikh,Ahmad Umar,Ahmed A. Ibrahim, Sheikh Akbar " Emerging Trends in Nickel Sulfide Electrodes for High-Performance Supercapacitors: Synthesis, Mechanisms, and Nanocomposite Innovations"	2025	International Journal of Energy Research http://dx.doi.org/10.1155/er/5331742	Q1	*4.5*
142	Lili Wang, Weiping Shu, Ye Liu , Qiang Han, Ahmed A. Ibrahim, Ahmad Umar, Sheikh Akbar , Sajid Ali Ansari "High-Performance Electrospun Titanium Carbide/Titanium Dioxide/Carbon Nanofiber Composite Electrode for Enhanced Lithium-Ion Battery Efficiency"	2025	Ceramics International http://dx.doi.org/10.1016/j.ceramint.2025.05.178	Q1	*5.532*
141	Hasan B. Albargi, Ahmed A. Ibrahim ,Saleh A. Saleh "Enhancement of dielectric properties of SnO2 nanoparticles by Fe substitution"	2025	Applied Physics A: Materials Science and Processing https://doi.org/10.1007/s00339-025-08537-4	Q2	*2.7*
140	Zelong Fan, Lingling Yuan, Tingcheng Xia, Chengxian Zhao, Wenjuan Guo, Ahmed A. Ibrahim, Sajid Ali Ansari & Ahmad Umar" Enhanced Alzheimer's biomarker detection using a ternary composite electrochemical aptasensor"	2025	Microchimica Acta http://dx.doi.org/10.1007/s00604-024-06927-8	Q1	*5.408*
139	Ketan Vashisht, Pooja Sethi, Selva Kumar Ramasamy, Anshul Bansal, Mohammad Ovais Dar, Manoj Singh, Abdulrab Ahmed A. Alkhanjaf , Ahmed A. Ibrahim , Ahmad Umar, Raman Kumar, Sotirios Baskouta , " Erratum to Synthesis, Characterization, and Antibacterial Activity of Novel Pyrazole Derivative"	2025	Journal of Molecular Structure https://doi.org/10.1016/j.molstruc.2025.141706	Q2	*4.0*
138	Sandeep Goyal, Savita Chaudhary, Ahmad Umar, Ahmed A. Ibrahim "Carbon dots in catalysis: Synthesis, properties, applications, comparative advantages, and future directions "	2025	Journal of Environmental Chemical Engineering https://doi.org/10.1016/j.jece.2025.115556	Q1	*7.7*
137	Vivek Chaudhry, Joginder Singh, Ahmed A. Ibrahim, Sadia Ameen, Ahmad Umar, M. S. Akhtar " "Innovative Organic Electrolytes for Enhanced Energy Density and Performance in Supercapacitors	2025	Journal of Energy Storage https://doi.org/10.1002/est2.70117	Q1	*9.4*
136	Ahmad Umar, Shahid Hussain, Sajid Ali Ansari, Ahmed A. Ibrahim, Mohsen A.M. Alhamami , Tubia Almas, Sheikh Akbar "Indium oxide nanocubes for enhanced ethanol gas sensing and photocatalytic applications"	2025	Ceramics International https://doi.org/10.1016/j.ceramint.2025.01.439	Q1	*5.532*
135	Sarla K. Pawar, Nikita A. Wadodkar, Rahul S. Salunke, Amardip M. Patil,Ahmad Umar, Ahmed A. Ibrahim, Sheikh Akbar, Sotirios Baskoutas, and Dhammanand J. Shirale1, " Enhanced Electrochemical Detection of Orthophosphate in Potable Water Using Zinc-Cobalt Oxide Nanocomposite-Modified Nickel Foam Electrodes"	2025	Journal of electrochemical society http://dx.doi.org/10.1149/1945-7111/ada0ef	Q1	*13.3*
134	Guoqing Li,Hailing Ma, Yao Tong , Hongxu Wan, Yang Luo , Edison H.Ang, Sivasambu Bohm , Ahmed A. Ibrahim , Ahmad Umar "Research progress on carbon-based anode materials for sodium-ion batteries"	2024	Journal of Energy Storage https://doi.org/10.1016/j.est.2024.114977	Q1	*9.4*
133	Manu Sharma, Kamal Kishor Thakur, Sunil Kumar, Yongho Seo, Dilbag Singh, Ahmed A. Ibrahim, Sheikh Akbar, Ahmad Umar, M. Shaheer Akhtar " Rosuvastatin calcium electrochemical sensor based on a sulfur doped graphitic carbon nitride modified glassy carbon electrode: A metal free analysis approach "	2024	Microchemical Journal https://doi.org/10.1016/j.microc.2024.112177	Q1	*5.304*
132	Manu Sharma, Kamal Kishor Thakur, Sunil Kumar, Yongho Seo, Dilbag Singh, Ahmed A. Ibrahim, Sheikh Akbar, Ahmad Umar, M. Shaheer Akhtar " Rosuvastatin calcium electrochemical sensor based on a sulfur doped graphitic carbon nitride modified glassy carbon electrode: A metal free analysis approach "	2024	Microchemical Journal https://doi.org/10.1016/j.microc.2024.112177	Q1	*5.304*
131	Ritika Sharma ? Dharmender Singh Rana ? Abhishek Awasthi, Ahmed A. Ibrahim ? Ahmad Umar, Sotirios Baskoutas " Nitrogen Functionalised Biomass Derived Mesoporous Carbon Nanomaterials for Electrochemical Detection of Lead (II) Ions"	2024	Heliyon http://dx.doi.org/10.1016/j.heliyon.2024.e39090	Q1	*4.0*
130	Sundararajan Ashok Kumar,Savariroyan Stephen Rajkumar Inbanathan , Rajendran Babhu Vignesh , Daniel Rani Rosaline , Beaula Ruby Kamalam , Ahmad Umar , Ahmed A. Ibrahim , Sheikh Akbar , S.A.Martin Britto Dhas , Sotirios Baskoutas "Shock Wave Pulsed Strategy on Green Synthesized Nickel Oxide Nanoparticles: Structural, Morphological, and Electrochemical Performance"	2024	Ceramics International https://doi.org/10.1016/j.ceramint.2024.11.426	Q1	*5.532*
129	Rohit Goyat, Joginder Singh,Ahmad umar, Yajvinder Saharan, Vikas Kumar, Ahmad A. Ibrahim, Sheikh Akbar, Sotirios Baskoutas "Synergistic performance of polyethersulfone membranes embedded with graphene oxide-zinc oxide nanocomposites for efficient heavy metal and dye removal with strong antibacterial properties"	2024	Polymer Engineering and Science https://doi.org/10.1002/pen.26839	Q2	*3.419*
128	Monu Sharma, Sonu Sharma, Abdulrab Ahmed M. Alkhanjaf, Naresh Kumar Arora ,Brajesh Saxena,Ahmad Umar, Ahmed A. Ibrahim ,Mohd. Sayeed Akhtar, Anupama Mahajan, Sushma Negi, Raman Kumar,S. Baskoutas i"Microbial Fuel Cells for Azo Dye Degradation: A Perspective Review"	2024	Journal of Industrial and Engineering Chemistry	Q1	*5.9*
127	Ketan Vashisht , Pooja Sethi, Anshul Bansal , Sumeet Gupta, Mohammad Ovais Dar , Ahmad Umar , Raman Kumar f, Sushil Kumar, Hitesh Kumar , Abdulrab Ahmed M. Alkhanjaf, Ahmed A. Ibrahim , Sotirios Baskoutas "Design and Synthesis of Novel 3,5-Diamino-4-(2’,3’,4’-Substituted Phenylazo)-1-2,5-Dichlorphenylpyrazoles: Unveiling Dual Proficiency against Inflammation and Bacteria"	2024	Journal of Molecular Structure https://doi.org/10.1016/j.molstruc.2024.139109	Q2	*4.0*
126	Kajal Saini, Joginder Singh, Sumit Malik, Yajvinder Saharan, Rohit Goyat, Ahmad Umar, Sheikh Akbar, Ahmed A. Ibrahim, Sotirios Baskoutas " Metal-Organic Frameworks: A promising solution for efficient removal of heavy metal ions and organic pollutants from industrial wastewater"	2024	Journal of Molecular Liquids https://doi.org/10.1016/j.molliq.2024.124365	Q1	*5.3*
125	Purti Mishra,Pooja Sethi, Selva Kumar, Parveen Rathi, Ahmad Umar, Raman Kumar, Savita Chaudhary, Abdulrab Ahmed M. Alkhanjaf , Ahmed A. Ibrahim,Sotirios Baskoutas" Synthesis and Biomedical Applications of Macrocyclic Complexes	2024	Journal of Molecular Structure https://doi.org/10.1016/j.molstruc.2024.139098	Q2	*4.0*
124	Ravi Kumar , Kuldeep Kumar, Naveen Thakur Ahmad Umar , Ahmed A. Ibrahim , Sheikh Akbar , Sotirios Baskoutas "Green Synthesis and Multifunctional Properties of Cu/NiO Nanocomposites Using Commelina benghalensis Leaf Extract"	2024	Chemosphere https://doi.org/10.1016/j.chemosphere.2024.142805	Q1	*8.8*
123	Ahmad Umar, Ahmed A. Ibrahim, Rani Rosaline, N. E. Sneha, Albatoul Mohammed Margan, Fares Almarqan, M. Varsha, Stephen Rajkumar Inbanathan, and Sajid Ali Ansari"Synthesis and Enhanced Optical Characterization of Zirconium-Doped NiO Thin Films"	2024	Nanoelectronics and Optoelectronics https://doi.org/10.1166/jno.2024.3624	Not yet quartile	*1.069*
122	Sumit Malik, Joginder Singh, Kajal Saini, Vivek Chaudhary, Ahmad Umar, Ahmed A. Ibrahim, Sheikh Akbar, Sotirios Baskoutas "Paper-Based Sensors: Affordable, Versatile, and Emerging Analyte Detection Platforms"	2024	Analytical Methods http://dx.doi.org/10.1039/D3AY02258G	Q2	*3.1*
121	Anjali Vijeata, Ganga Ram,Chaudhary,Savita Chaudhary, Ahmed A. Ibrahim, Ahmad Umar "Recent advancements and prospects in carbon-based nanomaterials derived from biomass for environmental remediation applications"	2024	Chemosphere https://doi.org/10.1016/j.chemosphere.2024.141935	Q1	*8.8*
120	Gajanan A. Bodkhe, Mayuri S. More, Ahmad Umar, Ahmed A. Ibrahim, Subramanian Siva, Megha A. Deshmukh, Nikesh N. Ingle, Dhammajyot K. Gaikwad, Meng-Lin Tsai, Tibor Hianik, Myunghee Kim, Mahendra D. Shirsat "Enhanced detection of heavy metal ions using Ag nanoparticles and single-walled carbon nanotubes within Cu-based metal-organic frameworks"	2024	Journal of Environmental Chemical Engineering https://doi.org/10.1016/j.jece.2024.113024	Q1	*7.7*
119	Ranjeet Singh, Rajesh K. Yadav, Satyanath, Satyam Singh, Rehana Shahin, Ahmad Umar, Ahmed A. Ibrahim, Omvir Singh, Navneet K. Gupta, Chandani Singh, Jin OoK. Baeg, Sotirios Baskoutas "Nature-inspired polymer photocatalysts for green NADH regeneration and nitroarene transformation"	2024	Chemosphere https://doi.org/10.1016/j.chemosphere.2024.141491	Q1	*8.8*
118	Rohit Goyat, Joginder Singh, Ahmad Umar, Yajvinder Saharan, Ahmed A. Ibrahim, Sheikh Akbar, Sotirios Blackouts "Synthesis and characterization of nanocomposite based polymeric membrane (PES/PVP/GO-TiO2) and performance evaluation for the removal of various antibiotics (amoxicillin, azithromycin & ciprofloxacin) from aqueous solution"	2024	Chemosphere https://doi.org/10.1016/j.chemosphere.2024.141542	Q1	*8.8*
117	Rohit Goyat, Joginder Singh, Ahmad Umar, Yajvinder Saharan, Ahmed A. Ibrahim, Sheikh Akbar, and Sotirios Baskoutas"Enhancing oil–water emulsion separation via synergistic filtration using graphene oxide–silver oxide nanocomposite-embedded polyethersulfone membrane"	2024	Waste Management & Research https://doi.org/10.1177/0734242X231223914	Q1	*4. 2*
116	Rohit Goyat, Joginder Singh, Ahmad Umar, Ahmed A Ibrahim, Savita Kumari1, Sumit Malik, Vivek Chaudhary, Sheikh Akbar and Sotirios Baskoutas "Enhanced removal of iron (Fe) and manganese (Mn) ions from contaminated water using graphene oxide-decorated polyethersulphone membranes: Synthesis and characterization"	2024	Waste Management & Research https://doi.org/10.1177/0734242X241227379	Q1	*4. 2*
115	Ahmad Umar, Ahmed A. Ibrahim, Amensisa Negasa Begi, Mohsen A.M. Alhamami, Noura Almehbad, Shahid Hussain, Sheikh Akbar "Synthesis of Bitter gourd-shaped Cu-doped ZnO nanostructures and their investigation for the detection of NO2 gas at low concentrations "	2024	Ceramics International https://doi.org/10.1016/j.ceramint.2024.01.032	Q1	*5.532*
114	S. A. Saleh, Ihab A. Abdel Latif, A. A. Ibrahim, A. Al-Hajry and E. M. M. Ibrahim " Structure, dielectric and magnetic properties of hydrothermally synthesized Sn1?x Fe x O2 nanoparticles "	2024	International Journal of Materials Research https://www.degruyter.com/document/doi/10.1515/ijmr-2022-0458/html	Q3	*0.8*
113	Bharti Sharma, Shikha Jain, Ahmad Umar, Sushma Rani, Sandeep Kumar, Ahmed A. Ibrahim, and Neeraj Dilbaghi" Synergistic Electrochemical Sensing of 2,4- Dinitrotoluene via Bimetallic Nickel-Cobalt Oxide Nanoparticles"	2024	Chemical physics impact https://doi.org/10.1016/j.chphi.2024.100470	Q3	*2.2*
112	Ahmad Umar, Insung Jung,Ahmed A. Ibrahim, M. Shaheer Akhtar, Sundararajan,Ashok Kumar,Mohsen A.M. Alhamami, Tubia Almas, Noura Almehbad, Sotirios Baskoutas "Porous Mn2O3 nanorods-based electrode for high-performance electrochemical supercapacitor"	2024	Journal of Energy Storage https://doi.org/10.1016/j.est.2023.110305	Q1	*9.4*
111	hmad Umar, Faheem Ahmed, Nabi Ullah, Sajid Ali Ansari, Shahid Hussain , Ahmed A. Ibrahim Hussam Qasem, Sundararajan Ashok Kumar, Mohsen Ali Alhamami ,Nora Almehbad , Hassan Algadi, Tubia Almas ,Amal F. Selim ,Sotirios Baskoutas "Exploring the potential of reduced graphene oxide/polyaniline (rGO@PANI) nanocomposites for high-performance supercapacitor application"	2024	Electrochimica Acta https://doi.org/10.1016/j.electacta.2023.143743	Q1	*7.336*
110	Ahmad Umar, M. Shaheer Akhtar, Ahmed A. Ibrahim, Mohsen A. M. Alhamami, and Chong Yeal Kim "Synthesis, Characterization, and Application of TiO2 Nanorods for Hydrazine Sensing"	2023	Science of Advanced Materials https://doi.org/10.1166/sam.2023.4606	Q4	*1.318*
109	Qiumei Lei, Yan Shao, Guojia Lu, Ahmad Umar, Ahmed A. Ibrahim, Fang Yang, Wenyao Li, and Tao Ji"Enhancing Oxygen Sensing Precision Through Gate-Controlled TiO2 Field Effect Transistors Under Ultraviolet Excitation"	2023	Science of Advanced Materials https://doi.org/10.1166/sam.2023.4602	Q4	*1.318*
108	Li Hongzhang, Liu Xinhua, Chi Eryan, Xu Guocai, Ahmed A. Ibrahim, and Amal F. Seliem " Enhancing Nickel-Ion Adsorption: Insights into Phytate Sodium Salt Modification of Styrene-Butadiene-Styrene Triblock Copolymer Electrospun Fiber Membranes"	2023	Science of Advanced Materials https://doi.org/10.1166/sam.2023.4603	Q4	*1.318*
107	Yuechan Li, Yuejie Li, Xiuxiu Li, Yongli Li, Yang Fei, Yujie Yan, Ahmad Umar, Ahmed A. Ibrahim, and An Xie "Tailoring Optoelectronic Properties of ZnO Films Through Synergistic Mg and B Co-Doping for Unprecedented High-Performance Transparent Electrode Applications"	2023	Nanoelectronics and Optoelectronics https://doi.org/10.1166/jno.2023.3525	Not yet quartile	*1.069*
106	Ashwini Singh, Vaibhava Srivastava, Surbhi Agarwal, Pooja Lohia, D. K. Dwivedi, Ahmad Umar, Ahmed A. Ibrahim, Sheikh Akbar, Sotirios Baskoutas & Pratap Kumar Dakua "Enhancing the performance of lead-free La2NiMnO6 double perovskite solar cells through SCAPS-1D optimization"	2023	Journal of optics http://dx.doi.org/10.1007/s12596-023-01527-w	Q2	*1. 8*
105	Satyam Singh, RajeshK.Yadav, Ahmad Umar, Ahmed A. Ibrahim, Tae Wu Kim, Atul Pratap Singh, Rajesh Kumar, Sandeep Chaudhary, Dilip K. Dwivedi, Ravindra Vikram Singh, Navneet Kumar Gupta, Chandani Singh, Jin-O. Baeg, Sotirios Baskoutas"Transformation of PMMA from sunlight-blocking to sunlight-activated coupled with DNH photocatalytic platform for oxidative coupling of amines and generation/ regeneration of LDC/NADH"	2023	photochemistry and photobiology https://doi.org/10.1111/php.13888	Q2	*3.3*
104	Yogita A. Waghmare , Vijaykiran N. Narwade, Ahmad Umar, Ahmed A. Ibrahim , Mahendra D. Shirsat "Enhanced CO sensing with highly sensitive and selective rGO-Ru OEP chemiresistive sensor"	2023	Chemical physics impact https://doi.org/10.1016/j.chphi.2023.100419	Q3	*2.2*
103	Ha-Ryeon Lee; M. Shaheer Akhtar; Ahmad Umar; Ahmed A. Ibrahim; Sotirios Baskoutas; O-Bong Yang"2D NiMoO4 nanawalls directly grown on Ni foam for the asymmetric electrochemical supercapacitors"	2023	Chemical physics impact https://doi.org/10.1016/j.chphi.2023.100406	Q3	*2.2*
102	Ahmad Umar, Sheikh Akbar , Rajesh Kumar , esse Nii Okai Amu-Darko , S. Hussain , Ahmed A. Ibrahim , MohsenAlhamami , Noura Almehbad , Tubia Almas , Amal F. Seliem "Ce-doped ZnO nanostructures: A promising platform for NO2 gas sensing"	2023	Chemosphere https://doi.org/10.1016/j.chemosphere.2023.140838	Q1	*8.8*
101	Ahmad Umar, Sheikh Akbar, Rajesh Kumar, Faheem Ahmed, Sajid Ali Ansari, Ahmed A. Ibrahim, Mohsen A. Alhamami, Noura Almehbad, Hassan Algadi, Tubia Almas, Wen eng"Unveiling the potential of PANI@MnO2@rGO ternary nanocomposite in energy storage and gas sensing"	2023	Chemosphere https://doi.org/10.1016/j.chemosphere.2023.140657	Q1	*8.8*
100	Kuldeep Kumar, Ravi Kumar, Shweta Kaushal, Naveen Thakur, Ahmad Umar, Sheikh Akbar, Ahmed A. Ibrahim, Sotirios Baskoutas"Biomass waste-derived carbon materials for sustainable remediation of polluted environments: A comprehensive review"	2023	Chemosphere http://dx.doi.org/10.1016/j.chemosphere.2023.140419	Q1	*8.8*
99	Chahat Sharma,Pooja Sharma,Amit Kumar,Yashika Walia,Raman Kumar,Ahmad Umar,Ahmed A. Ibrahim,Mohd. Sayeed Akhtar,Abdulrab Ahmed M. Alkhanjaf &Sotirios Baskoutas" A review on ecology implications and pesticide degradation using nitrogen fixing bacteria under biotic and abiotic stress conditions"	2023	Chemistry and Ecology http://dx.doi.org/10.1080/02757540.2023.2253220	Q2	*2.381*
98	Zhe Ren, Wenjuan Guo, Shuqian Sun, Xin Liu, Zelong Fan, Fangfang Wang, Ahmed A. Ibrahim, Ahmad Umar, Abdulrab Ahmed M. Alkhanjaf & S. Baskoutas "Dual-mode transfer response based on electrochemical and fluorescence signals for the detection of amyloid-beta oligomers (A?O)"	2023	Microchimica Acta http://dx.doi.org/10.1007/s00604-023-06014-4	Q1	*6.408*
97	Zhe Ren , Wenjuan Guo, Ahmad Umar , Chengxian Zhao, Luyan Wang , Ahmed A. Ibrahim , Abdulrab AhmedM. Alkhanjaf , Sotirios Baskoutas , Meishan Pei , Xiuzhi Zhang "An electrochemical aptasensor based on stimulus response and signal amplification strategy for the detection of Amyloid-? oligomers"	2023	Microchemical Journal http://dx.doi.org/10.1016/j.microc.2023.109377	Q1	*5.304*
96	Ahmad Umar, Rajesh Kumar, Ahmed A. Ibrahim, Mohsen A. M. Alhamami, M. Shaheer Akhtar " Cadmium sulfide quantum dots decorated reduced graphene oxide:A versatile platform for highly sensitive acetylacetone sensor"	2023	MRS CommunicationsResearch letter https://doi.org/10.1557/s43579-023-00462-y	Q2	*2.935*
95	Sumit Malik, Joginder Singh,Rohit Goyat, Yajvinder Sahara,Vivek Chaudhry , Ahmad Umar, Ahmed A. Ibrahim , Sheikh Akbar , Sadia Ameen , Sotirios Baskoutas " Nanomaterials-based biosensor and their applications:A review"	2023	Heliyon https://doi.org/10.1016/j.heliyon.2023.e19929	Q1	*4.0*
94	Ahmad Umar, Vaishali Yadav, Vaibhava Srivastava, Sadanand, Pooja Lohia, Dilip Kumar Dwivedi, Ahmed A Ibrahim, Sheikh Akbar, Hussam Qasem, Sotirios Baskoutas,"Optimizing quantum dot solar cells: exploring defect density effects with PTAA HTL layer simulation using SCAPS-1D"	2023	Emerging Materials Research https://doi.org/10.1680/jemmr.22.00130	Q3	*2. 11*
93	K. C. Devendra, Deb Kumar Shah, Subhash Kumar, Nawraj Bhattarai, Dipak Raj Adhikari, Khim B. Khattri, M. Shaheer Akhtar, Ahmad Umar, Ahmed A. Ibrahim, Mohsen A. M. Alhamami, Sotirios Baskoutas & O.-Bong Yang" Enhanced solar cell efficiency: copper zinc tin sulfide absorber thickness and defect density analysis"	2023	Journal of Materials Science: Materials in Electronics http://dx.doi.org/10.1007/s10854-023-11125-y	Q2	*2.779*
92	Bihai Bai , Guojun Lu , Chunyan Cao, Ahmad Umar , Ahmed A. Ibrahim , Nihui Huang , Zijun Chen , Hongwei Zhao , Wang Yao , Haichang Zhong, Yuechan Li An Xie " Temperature-induced luminescence enhancement and quenching behavior of Eu3+ in Lu2(WO4)3 phosphors "	2023	Materials Research Bulletin https://doi.org/10.1016/j.materresbull.2023.112502	Q1	*5.4*
91	Neetesh Kumar , Rajesh K. Yadav , Ahmad Umar, Ahmed A. Ibrahim , Satyam Singh , Rehana Shahin , Atul P. Singh , Abhishek K. Gupta , Navneet K. Gupta , Jin Ook Baeg , Dilip K. Dwivedi , Sotirios Baskoutas "Selective aerobic coupling of amines to imines using solar spectrum-responsive flower-like Nen-graphene quantum dots (GQDs) decorated with 2, 4-dinitrophenylhydrazine (PH) as a photocatalyst"	2023	Chemospher https://doi.org/10.1016/j.chemosphere.2023.139697	Q1	*8.8*
90	Ahmad Umar, Rajesh Kumar , Pravin Ahmad Umar , Rajesh Kumar , Pravin S. More , Ahmed A. Ibrahim , Hassan Algadi , Mohsen . Alhamami , Sotirios Baskoutas , Sheikh Akbar "Polyethylene glycol embedded reduced graphene oxide supramolecular assemblies for enhanced room-temperature gas sensors"	2023	Environmental Research http://dx.doi.org/10.1016/j.envres.2023.116793	Q1	*5.715*
89	Eunbi Kim, Ahmad Umar , Sadia Ameen , Rajesh Kumar , Ahmed A. Ibrahim , Mohsen A.M. Alhamami , M.S. Akhtar , Sotirios Baskoutas Synthesis and characterizations of ZIF-8/GO and ZIF-8/rGO composites for highly sensitive detection of Cu2+ ions	2023	Surfaces and Interfaces https://doi.org/10.1016/j.surfin.2023.103163	Q1	*6.137*
88	Mohd. Shkir, Kamlesh V. Chandekar, Baskaran Palanivel, Fatemah H. Alkallas, Amira Ben Gouider Trabelsi, Aslam Khan, S. AlFaify, Ahmad Umar, Ahmed A. Ibrahim, S. Baskoutas "Facile auto-flash-combustion synthesis and characterization of visible-light-driven photocatalytic active Mn (II, III) loaded NiO nanoparticles"	2023	Journal of Science: Advanced Materials and Devices https://doi.org/10.1016/j.jsamd.2023.100588	Q1	*7.382*
87	Manjot Kaur , Shafali Singh , Surinder Kumar Mehta , Sushil Kumar Kansal , Ahmad Umar , Ahmed A. Ibrahim , Sotirios Baskoutas " CeO2 quantum dots decorated g-C3N4 nanosheets: A potential scaffold for fluorescence sensing of heavy metals and visible-light driven photocatalyst"	2023	Journal of Alloys and Compounds https://doi.org/10.1016/j.jallcom.2023.170637	Q1	*6.371*
86	Xueying Yang·Wenjuan Guo·Ahmad Umar· Hassan Algadi·Ahmed A. Ibrahim·hengxian Zhao·Zhe Ren· Luyan Wang ·Meishan Pei"Electrochemical aptasensor based on gold nanoparticle decorated Ti3C2Tx nanocomposites for chloramphenicol detection	2023	Microchimica Acta https://doi.org/10.1007/s00604-023-05772-5	Q1	*6.408*
85	Vaibhav Gupta, Rajesh K. Yadav , Ahmad Umar , Ahmed A. Ibrahim, Satyam Singh, Rehana Shahin, Ravindra K. Shukla, Dhanesh Tiwary, D. K. Dwivedi, Alok Kumar Singh, Atresh Kumar Singh, Sotirios Baskoutas "Highly Efficient Self-Assembled Activated Carbon Cloth-Templated Photocatalyst for NADH Regeneration and Photocatalytic Reduction of 4-Nitro Benzyl Alcohol"	2023	Catalysts https://doi.org/10.3390/catal13040666	Q2	*4.501*
84	Ahmad Umar, Ahmed A. Ibrahim, Mohsen A. Alhamami, Hassan Algadi, Faheem Ahmed, S. Hussain, Hassan Fouad, and Sheikh Akbar'ZnO nanorods assembled microflower-based gas sensor for detecting formaldehyde'	2023	Materials Express https://doi.org/10.1166/mex.2022.2315	Q4	1.478
83	Ahmad Umar1, Ahmed A. Ibrahim, Mohsen A. Alhamami, S. Hussain, Hassan Algadi, Faheem Ahmed, Hassan Fouad, and Sheikh Akbar" Synthesis and gas-sensing properties of ZnO nanoflowers for hydrogen sulphide (H2S) detection "	2023	Materials Express https://doi.org/10.1166/mex.2023.2317	Q4	1.478
82	Umar, Ahmad 1 ; Singh, Sachin 2 ; Yadav, Sapana 2 ; Mishra, Adarsh Chandra 2 ; Chaudhary, Vijay Shanker 3 ; Lohia, Pooja 4 ; Dwivedi, D. K. 2 ; Ibrahim, Ahmed A. 1 ; Alhamami, Mohsen A. "Numerical Study of Surface Plasmon Resonance Biosensor Using Aluminium Oxide and Bismuth Telluride Nanomaterials for Skin Cancer Cell Detection"	2022	Nanoelectronics and Optoelectronics http://dx.doi.org/10.1166/jno.2022.3358	Not yet quartile	*0.697*
81	Ahmad Umar1, Pooja Lohia, Sachin Singh, Vipin Kumar, D.K. Dwivedi, Ahmed A. Ibrahim, and Hassan Algadi " Graphene and Nickel Nanomaterials Based Surface Plasmon Resonance (SPR) Biosensor: A Theoretical Study "	2022	Nanoelectronics and Optoelectronics https://doi.org/10.1166/jno.2022.3320	Not yet quartile	*0.697*
80	Ahmad Umar, Faheem Ahmad, Hassan Algadi, Ahmed A. Ibrahim, Mohsen A. Alhamami, Hussam Qasem, and Sheikh Akbar"Single crystalline ?-manganese dioxide (?-MnO2) nanowires as anode materials for lithium-ion batteries"	2022	Materials Express https://doi.org/10.1166/mex.2022.2316	Q4	1.478
79	Ahmad Umar, Vaishali Yadav, Vaibhava Srivastava, Sadanand, Pooja Lohia, D. K. Dwivedi5, Ahmed A. Ibrahim, Mohsen A. M. Alhamami, Hussam Qasem, and Sheikh Akbar"Simulation of Efficient Lead Sulfide Colloidal Quantum Dot Solar Cell using Spiro-OMeTAD as Hole Transport Layer "	2022	Science of Advanced Materials https://doi.org/10.1166/sam.2022.4377	Q4	*1.318*
78	Ahmad Umar, Pravin Kumar Singh, Sadanand, D. K. Dwivedi, Ahmed A. Ibrahim, Mohsen A. M. Alhamami, Hussam Qasem, Sheikh Akbar, and S. Baskoutas "Design and Simulation of Lead-Free Perovskite Solar Cells with a Hole Transport Layer Made of NiO Nanocomposite "	2022	Science of Advanced Materials https://doi.org/10.1166/sam.2022.4368	Q4	*1.318*
77	Ahmad Umar, Ramesh Kumar, Mohinder Singh Chauhan, Rajesh Kumar, Ahmed A. Ibrahim, Mohsen A. M. Alhamami, Hassan Algadi, Mohammad Shaheer Akhtar "Effective fluorescence detection of hydrazine and photocatalytic degradations of Rhodamine B dye using CdO-ZnO nanocomposites"	2022	Coatings Open Access https://doi.org/10.3390/coatings12121959	Q2	*2.89*
76	Ahmad Umar, Sadanand , Pravin Kumar Singh, D.K. Dwivedi , Hassan Algadi , Ahmed A . Ibrahim , Mohsen A. M. Alhammai , Sotirios Baskoutas"High power-conversion efficiency of lead-free perovskite solar cells: A theoretical investigation "	2022	Micromachines https://doi.org/10.3390/mi13122201	Q2	*3.49*
75	Ahmad Umar, Mazharul Haque , Shafeeque G. Ansari , Hyung-Kee Seo, Ahmed A. Ibrahim, Mohsen A. M. Alhamami, Hassan Algadi , Zubaida A. Ansari "Label-Free Myoglobin Biosensor Based on Pure and Copper-Doped Titanium Dioxide Nanomaterials"	2022	Biosensors https://doi.org/10.3390/bios12121151	Q2	*5.743*
74	Ahmad Umar, Sheikh Akbar; Ahmed A. Ibrahim; Hassan Algadi; Moaaed Motlak; M.Shaheer Akhtar "Electrospun Co3O4 Nanofibers as Potential Electrocatalytic Material for Enhanced Chemo-sensor and Supercapacitors"	2022	Journal of materials research and technology https://doi.org/10.1016/j.jmrt.2022.11.094	Q1	*6.267*
73	Roshan Gul; Priyanka Sharma; Raman Kumar; Ahmad Umar; Ahmed A. Ibrahim; Mohsen A. M. Alhamami; Vivek Sheel Jaswal; Manish Kuma:" A Sustainable Approach to The Degradation of Dyes by Fungal Species Isolated from Industrial Wastewaters: Performance, Parametric Optimization, Kinetics and Degradation Mechanism"	2022	Environmental Research https://doi.org/10.1016/j.envres.2022.114407	Q1	*5.715*
72	Ahmad Umar , Subburaj Ruby, Savariroyan Stephen Rajkumar Inbanathan, Daniel Rani Rosaline, Rajesh Kumar ,Hassan Algadi ,Ahmed A Ibrahim, Pau Loke , Sotirios Baskoutas ." Photodegradation of methyl orange based on manganese-substituted bismuth ferrite nanoparticles"	2022	Emerging Materials Research https://doi.org/10.1680/jemmr.22.00037	Q3	*1.429*
71	Yajvinder Saharan, Joginder Singh, Rohit Goyat, Ahmad Umar, Sheikh Akbar, Ahmed A. Ibrahim, Sotirios Baskoutas, "Novel Supramolecular Organo-Oil Gelators for Fast and Effective Oil Trapping: Mechanism and Applications"	2022	Journal of Hazardous Materials https://doi.org/10.1016/j.jhazmat.2022.129977	Q1	*14.224*
70	Ahmad Umar, S. Ashok Kumar, D. Rani Rosaline, Hassan Algadi, Ahmed A. Ibrahim, Faheem Ahmad, Edson Luiz Foletto, S.S.R Inbanthan"Poly(1-Napthylamine) Nanoparticles as Potential Scaffold for Supercapacitor and Photocatalytic Applications"	2022	Micromachines https://doi.org/10.3390/mi13091528	Q2	*3.49*
69	Chengxian Zhao, Wenjuan Guo, Ahmad Umar, Hassan Algadi, Meishan Pei, Ahmed A. Ibrahim, Xueying Yang, Zhe Ren, Xiangyun Mi & Luyan Wang "High?sensitive ferrocene labeled aptasensor for the detection of Mucin 1 by tuning the sequence constitution of complementary probe'	2022	Microchimica Acta https://link.springer.com/content/pdf/10.1007/s00604-022-05424-0.pdf	Q1	*6.408*
68	Girish Gupta, Manpreet Kaur, Sushil K Kansal, Ahmad Umar, Ahmed A Ibrahim"?-Bi2O3 nanosheets: An efficient material for sunlight-driven photocatalytic degradation of Rhodamine B"	2022	Ceramics International https://doi.org/10.1016/j.ceramint.2022.06.210	Q1	*5.532*
67	Ahmad Umar, S Ashok Kumar, SSR Inbanathan, Maryam Modarres, Rajesh Kumar, Hassan Algadi, Ahmed A Ibrahim, Rune Wendelbo, R Packiaraj, Mohsen AM Alhamami, S Baskoutas"Enhanced sunlight-driven photocatalytic, supercapacitor and antibacterial applications based on graphene oxide and magnetite-graphene oxide nanocomposites"	2022	Ceramics International https://doi.org/10.1016/j.ceramint.2022.05.371	Q1	*5.532*
66	Daizee Talukdar, Teenu Jasrotia, Ahmad Umar, Rajeev Kumar, Raman Kumar, Abdulrab Ahmed M Alkhanjaf, Ahmed A Ibrahim, Tapan Kumar Mukherjee, Vivek Sheel Jaswal, M Shaheer Akhtar "Mechanistic and analytical understanding of biological immobilization of chromium metal ions from waste-sites"	2022	Journal of Environmental Chemical Engineering https://doi.org/10.1016/j.jece.2022.107498	Q1	*5.909*
65	Yajvinder Saharan, Joginder Singh , Rohit Goyat, Ahmad Umar , Hasan Algadi, Ahmed A. Ibrahim, Raman Kumar, Sotirios Baskoutas " Nanoporous and hydrophobic new Chitosan-Silica blend aerogels for enhanced oil adsorption capacity"	2022	Journal of Cleaner Production https://doi.org/10.1016/j.jclepro.2022.131247	Q1	*9.297*
64	Ahmad Umar , Jay Singh, Ahmed A. Ibrahim, Majdolin M. E. Elsddig "Cauliflower-Shaped ZnO Nanostructure for Enhanced NO 2 Gas Sensor Application"	2021	Science of Advanced Materials https://doi.org/10.1166/sam.2021.4167	Q4	*1.318*
63	Ahmad Umar,Ahmad A. Ibrahim ,R. Kumar , 8 authors ,Ayeda Y. A. Mohammed " Aluminum Doped ZnO Nanorods for Enhanced Phenylhydrazine Chemical Sensor Applications"	2021	Science of Advanced Materials https://doi.org/10.1166/sam.2021.4168	Q4	*1.318*
62	AhmadUmar , Ahmed A. Ibrahim , HassanAlgadi ,HasanAlbargi ,Mabkhoot A.Alsairi ,YaoWang ,SheikhAkbar "Supramolecularly assembled isonicotinamide/reduced graphene oxide nanocomposite for room-temperature NO2 gas sensor"	2021	Environmental Technology & Innovation https://doi.org/10.1016/j.eti.2021.102066	Q1	*5.263*
61	Ahmad Umar, A. A. Ibrahim, Hassan Algadi, Umesh T. Nakate, Sandip P. Choudhury, Turki Alsuwian, Hasan Albargi, Mabkhoot A. Alsaiari, S. Baskoutas " Selective ethanol gas sensing performance of flowershaped CuO composed of thin nanoplates"	2021	Journal of Materials Science: Materials in Electronics https://doi.org/10.1007/s10854-021-06428-x	Q2	*2.478*
60	A.G. Ramu , Ahmad Umar, S. Gopi , Hassan Algadi , Hasan Albargi, Ahmed A. Ibrahim, Mabkhoot A. Alsaiari , Yao Wang, Dongjin Choi, "Tetracyanonickelate (II)/KOH/reduced graphene oxide fabricated carbon felt for mediated electron transfer type electrochemical sensor for efficient detection of N2O gas at room temperature"	2021	Environmental Research https://doi.org/10.1016/j.envres.2021.111591	Q1	*5.715*
59	Ahmad Umar, Hassan Algadi, Rajesh Kumar, M. Shaheer Akhtar, A. A. Ibrahim, Hassan Albargi, Mohsen A. M. Alhamami, Turki Alsuwian, Wen Zeng " Ultrathin leaf-shaped CuO nanosheets based sensor device for enhanced hydrogen sulfide gas sensing application"	2021	Chemosensors https://doi.org/10.3390/chemosensors9080221	Q2	*3.398*
58	Ahmad Umar, Ramesh Kumar, Rajesh Kumar, Ahmed A Ibrahim, Mohsen AM Alhamami, Hassan Algadi, Suvarcha Chauhan, MS Chauhan "Co-Doped ZnO Nano-Agglomerates as a Potential Scaffold for Non-Enzymatic Hydrogen Peroxide Sensing"	2021	Science of Advanced Materials https://doi.org/10.1166/sam.2021.4106	Q4	*1.318*
57	Ahmad Umar , Faheem Ahmed , Ahmed A. Ibrahim , Hassan Algadi , Hasan B. Albargi ,Mohsen Ali M. Alhmami, Tubia Almas , Ayeda Y. A. Mohammed , Hatem Abuhimd , and L. Casta?eda " MnO2 Nanoparticles Anchored Multi Walled Carbon Nanotubes as Potential Anode Materials for Lithium Ion Batteries"	2021	Journal of Nanoscience and Nanotechnology https://doi.org/10.1166/jnn.2021.19440	Q3	*1.35*
56	Ahmad Umar, Ahmed A. Ibrahim , Rajesh Kumar, Hassan Algadi, Hasan Albargi, Mohsen A. M. Alhamami1, Umesh T. Nakate, and Sotirios Baskoutas "Star-Fruit-Shaped CuO Structures for High Performance Ethanol Gas Sensor Device"	2021	Science of Advanced Materials https://doi.org/10.1166/sam.2021.3968	Q4	*1.318*
55	Ahmad Umar, Ahmed A. Ibrahim, R. Kumar, Hassan Algadi, Hassan Albargi, F. Ahmad, Wen Zeng, M. Shaheer Akhtar "?-MnO2 nanowires as potential scaffolds for high-performance formaldehyde gas sensor device"	2021	Coatings Open Access https://doi.org/10.3390/coatings11070860	Q2	*2.33*
54	Ahmad Umar,M. Shaheer Akhtar,Hassan Algadi,A. A. Ibrahim, Mohsen A. M. Alhamami " Highly sensitive and selective eco-toxic 4-nitrophenol chemical sensor based on Ag-doped ZnO nanoflowers decorated with nanosheets"	2021	Molecules https://doi.org/10.3390/molecules26154619	Q1	*3.267*
53	Wenjuan Guo, Ahmad Umar, Hassan Algadi, Hasan Albargi, Ahmed A. Ibrahim, Kaili Cui, Luyan Wang, Meishan Pei, Yao Wang "Design of a unique “ON/OFF” switch electrochemical aptasensor driven by the pH for the detection of Aflatoxin B1 in acid solutions based on titanium carbide/ carboxylated graphene oxide- poly(4-vinyl pyridine)/Aptamer composite"	2021	Microchemical journal https://doi.org/10.1016/j.microc.2021.106548	Q2	*3.954*
52	AhmadUmar ,Ahmed A.Ibrahim, HassanAlgadi, HasanAlbargi ,Mabkhoot A.Alsairi ,YaoWang SheikhAkbar . " enhanced NO2 gas sensor device based on supramolecularly assembled polyaniline/silver oxide/grafene oxide composites"	2021	Ceramics International https://doi.org/10.1016/j.ceramint.2021.05.296	Q1	*5.532*
51	Ahmad Umar , Siddheshwar D. Raut , Ahmed A. Ibrahim , Hassan Algadi , Hasan Albargi , Mabkhoot Alsaiari a , M. Shaheer Akhtar , Mohammad Qamar , Sotirios Baskoutas " Perforated Co3O4 nanosheets as high-performing supercapacitor material "	2021	Electrochimica Acta https://doi.org/10.1016/j.electacta.2021.138661	Q1	*6.215*
50	P. Paulraj, Ahmad Umar, K. Rajendran, A. Manikandan, A. Sathamraja, R. Kumar, E. Manikandan, K. Pandian, S. askoutas, Hassan Algadi, Ahmed A. Ibrahim & Mabkhoot A. Alsaiari " Methylene blue intercalated layered MnO2 nanosheets for high-sensitive non-enzymatic ascorbic acid sensor "	2021	Journal of Materials Science: Materials in Electronics https://doi.org/10.1007/s10854-021-05391-x	Q2	*2.478*
49	Ahmad Umar, Ahmed A Ibrahim, Rajesh Kumar, Hassan Algadi, Hasan Albargi, Mabkhoot A. Alsairi,; Mohsen A. M. Alhmami, Wen Zeng, Faheem Ahmed, Sheikh Akbar, PHD "CdO-ZnO nanorices for enhanced and selective formaldehyde gas sensing applications"	2021	Environmental Research https://doi.org/10.1016/j.envres.2021.111377	Q1	*5.715*
48	"Highly sensitive and selective 2-nitroaniline chemical sensor based on Ce-doped SnO2 nanosheets/ Nafion modified glassy carbon electrode"	2021	Advanced Composites and Hybrid Materials. https://doi.org/10.1007/s42114-021-00283-4	Q1	*5.795*
47	M. Beaula Ruby Kamalam , S.S.R. Inbanathan , K. Sethuramanb, Ahmad Umard, , Hassan Algadi, Ahmed A. Ibrahim, Qazi Inamur Rahmang , Christos S. Garoufalis , Sotirios Baskoutas" Direct sunlight-driven enhanced photocatalytic performance of V2O5 nanorods/ graphene oxide nanocomposites for the degradation of Victoria blue dye "	2021	Environmental Research https://doi.org/10.1016/j.envres.2021.111369	Q1	*5.715*
46	A.G.Ramu , AhmadUmar ,Ahmed A.Ibrahim, Hassan Algadi , Yousif S.A.Ibrahim,YaoWang,MarliaM.Hanafiah,P.Shanmugam,DongjinChoi "Synthesis of porous 2D layered nickel oxide-reduced graphene oxide (NiO-rGO) hybrid composite for the efficient electrochemical detection of epinephrine in biological fluid"	2021	Environmental Research https://doi.org/10.1016/j.envres.2021.111366	Q1	*5.715*
45	AhmadUmar, Ahmed A.Ibrahim, H.Y.Ammar , Umesh T.Nakate , HasanAlbargi , Y.B.Hahnd"Urchin like CuO hollow microspheres for selective high response ethanol sensor application: Experimental and theoretical studies"	2021	Ceramics International https://doi.org/10.1016/j.ceramint.2021.01.053	Q1	*4.39*
44	Ahmad Umar , M. Shaheer Akhtar , Sadia Ameen ,. Imran , Rajesh Kumar, Yao Wang, Ahmed A. Ibrahim, H. Albargi, Mohammed Jalalah, Mabkhoot A. Alsaiari , M.S. Al-Assiri, "Colloidal synthesis of NiMn2O4 nanodisks decorated reduced graphene oxide for electrochemical applications"	2021	Microchemical journal https://doi.org/10.1016/j.microc.2020.105630	Q2	*3.954*
43	Ahmad Umar, Mohammad Qamar, Rajesh Kumar, Ahmed A. Ibrahim, Mohsen Ali M. Alhmami, Tubia Almas, Ayeda Y. A. Mohammed, Nikolaos Bouropoulos, S. Baskoutas, Munzir H. Suliman, and Qasem A. Drmosh "Electrochemical Oxygen Evolution Reaction Catalyzed by Cobalt Oxide (Co3O4) Nanodisks"	2020	Science of Advanced Materials https://doi.org/10.1166/sam.2020.3905	Q4	*1.318*
42	P. Paulraj, Ahmad Umar, K. Rajendran , A. Manikandan , R. Kumar , E. Manikandan, K. Pandian b , Mater H. Mahnashi , Mabkhoot A. Alsaiari, Ahmed A. Ibrahim, Nikolaos Bouropoulos , Sotirios Baskoutas , " Solid-state synthesis of Ag-doped PANI nanocomposites for their end-use as an electrochemical sensor for hydrogen peroxide and dopamine "	2020	Electrochimica Acta https://doi.org/10.1016/j.electacta.2020.137158	Q1	*6.215*
41	Ahmad Umar, Ahmed A. Ibrahim, R. Kumar, H. Albargi, Wen Zeng, Mohsen Ali M Alhmami, Mabkhoot A. Alsaiari , S. Baskoutas"Gas sensor device for high-performance ethanol sensing using ?-MnO2 nanoparticles"	2020	Materials Letters https://doi.org/10.1016/j.matlet.2020.129232	Q1	*3.204*
40	Ahmad Umar, Ahmed A. Ibrahim, Umesh T. Nakate, Hasan Albargi, Mabkhoot A. Alsaiari, Faheem Ahmed, Fahad A. Alharthi, Abdulaziz Ali Alghamdi, Nabil Al-Zaqri " Fabrication and characterization of CuO nanoplates based sensor device for ethanol gas sensing application"	2020	Chemical Physics Letters https://doi.org/10.1016/j.cplett.2020.138204	Q3	*2.029*
39	Ahmad Umar; Ahmed A Ibrahim; Rajesh Kumar; Hasan Albargi; Mabkhoot A Alsaiari; Faheem Ahmad, “Cubic shaped hematite (?-Fe2O3) micro-structures composed of stacked nanosheets for rapid ethanol sensor application”	2020	Sensors and Actuators B: Chemical https://doi.org/10.1016/j.snb.2020.128851	Q1	*6.36*
38	Ahmad Umar ,Farid A. Harraz, Ahmed A. Ibrahim, Tubia Almas, Rajesh Kumar, M. S. Al-Assiri , and Sotirios Baskoutas “Iron-Doped Titanium Dioxide Nanoparticles As Potential Scafold for Hydrazine Chemical Sensor Applications”	2020	Coatings Open Access https://doi.org/10.3390/coatings10020182	Q2	*2.89*
37	Ahmad Umar , Ahmed A. Ibrahim , Rajesh Kumar , Tubia Almas , Priyanka Sandal , M.S. Al-Assiri , Mater H. Mahnashi , B.Z. AlFarhan , S. Baskoutas “Fern shaped La2O3 nanostructures as potential scaffold for efficient hydroquinone chemical sensing application “	2020	Ceramics International https://doi.org/10.1016/j.ceramint.2019.10.258	Q1	*4.39*
36	Ahmad Umar, Tubia Almas, Ahmed A. Ibrahim, Rajesh Kumar, M.S. AlAssiri, S. Baskoutas, M. Shaheer Akhtar “An efficient chemical sensor based on CeO2 nanoparticles for the detection of acetylacetone chemical”	2020	Journal of Electroanalytical Chemistry https://doi.org/10.1016/j.jelechem.2020.114089	Q1	*3.218*
35	Ahmad Umar , H. Y. Ammar , Rajesh Kumar , Ahmed A. Ibrahim , M. S. Al-Assiri, " Square disks?based crossed architectures of SnO2 for ethanol gas sensing applications- An experimental and theoretical investigation"	2019	Sensors and Actuators B: Chemical https://doi.org/10.1016/j.snb.2019.127352	Q1	*6.36*
34	Ahmad Umar , Ahmed A. Ibrahim , Rajesh Kumar , Tubia Almas , Priyanka Sandal , M. S. Al-Assiri , Mater H. Mahnashi , B. Z. AlFarhan , S. Baskoutas "Fern shaped La2O3 nanostructures as potential scaffold for efficient hydroquinone chemical sensing application"	2019	Ceramics International https://doi.org/10.1016/j.ceramint.2019.10.258	Q1	*5.532*
33	Ahmad Umar, M. Shaheer Akhtar, Tubia Almas, Ahmed A. Ibrahim, M.S. Al-Assiri, Yoshitake Masuda, Qazi Inamur Rahman, Sotirios Baskoutas Direct growth of flower-shaped ZnO anostructures on FTO substrate for dye-sensitized solar cells	2019	Crystals https://doi.org/10.3390/cryst9080405	Q2	*2.06*
32	Ahmad Umar1, H.Y. Ammar, Rajesh Kumar, Tubia Almas, Ahmed A. Ibrahim, M. S. AlAssiri, M. Abaker, S. Baskoutas "Efficient H2 gas sensor based on 2D SnO2 disks: Experimental and theoretical studies"	2019	International Journal of Hydrogen Energy https://doi.org/10.1016/j.ijhydene.2019.04.269	Q1	*4.08*
31	Al-Hadeethi Y, Umar A, Singh K, Ibrahim AA, Al-Heniti SH, Raffah BM.Ytterbium-Doped ZnO Flowers Based Phenyl Hydrazine Chemical Sensor	2019	Journal of Nanoscience and Nanotechnology https://doi.org/10.1166/jnn.2019.16283	Q3	*1.35*
30	Ahmad Umar, Ahmed A. Ibrahim, Rajesh Kumar, Tubia Almas , M. S. Al-Assiri, S. Baskoutas “Nitroaniline chemi-sensor based on Bitter Gourd shaped Ytterbium oxide (Yb2O3) doped zinc oxide (ZnO) nostructures”	2019	Ceramics International https://doi.org/10.1016/j.ceramint.2019.04.079	Q1	*5.532*
29	Yas Al-Hadeethi, Ahmad Umar, Kulvinder Singh, Ahmed A. Ibrahim, Saleh. H. Al-Heniti, and Bahaaudin M. Raffah," Highly Sensitive Picric Acid Chemical Sensor Based on Samarium (Sm) Doped ZnO Nanorods"	2019	Journal of Nanoscience and Nanotechnology https://doi.org/10.1166/jnn.2019.16105	Q3	*1.35*
28	Yas Al-Hadeethi, Ahmad Umar, Ahmed A. Ibrahim, Rajesh Kumar, Saleh. H. Al-Heniti, and Bahaaudin M. Raffah" Hydroquinone Sensor Based on Neodymium (Nd) Doped ZnO Hexagonal Nanorods"	2018	Nanoscience and Nanotechnology Letters https://doi.org/10.1166/nnl.2018.2620	Q3	*2.91*
27	Ahmad Umar, S. H. Kim , Rajesh Kumar , M. S. Al-Assiri , A. E. Al-Salami , Ahmed A. Ibrahim , Sotirios Baskoutas "In-Doped ZnO Hexagonal Stepped Nanorods and Nanoflowers as Potential Scaffold for Highly-Sensitive Phenyl Hydrazine Chemical Sensors	2017	"Materials https://doi.org/10.3390/ma10111337	Q2	*2.972*
26	Ahmed A. Ibrahim, El Mehdi Sodki, Ahmad Umar, Aziz Amine, R. Kumar, M.S.Al-Assiri, A. E. Al-Salami, S. Baskoutas, ‘Highly sensitive and selective non-enzymatic mono and disaccharide sugars sensing based on carbon paste electrodes modified with perforated NiO nanosheets’	2017	New Journal of Chemistry https://doi.org/10.1039/C7NJ03253F	Q1	*3.069*
25	Ahmad Umar, El Mehdi Sodki, Ahmed A. Ibrahim, Aziz Amine, R. Kumar, M. S. Al-Assiri, A. E. Al-Salami, S. Baskoutas, "Fabrication and characterization of highly sensitive and selective alcohol sensors based on porous NiO nanodisks”	2018	(Sensors and Actuators B: Chemical) https://doi.org/10.1016/j.snb.2017.12.050	Q1	*6.36*
24	Ahmed A. Ibrahim, Preeti Tiwari, M.S. Al-Assiri, A. E. Al-Salami, Ahmad Umar, Rajesh Kumar, S. H. Kim, Z.A. Ansari, S. Baskoutas ‘Highly-sensitive picric acid chemical sensor based on ZnO nanopeanuts’	2017	(Materials ) https://doi.org/10.3390/ma10070795	Q2	*2.97*
23	Ahmed A Ibrahim, Rafiq Ahmad, Ahmad Umar, MS Al-Assiri, AE Al-Salami, Rajesh Kumar, SG Ansari, and S Baskoutas, 'Two-Dimensional Ytterbium Oxide Nanodisks Based Biosensor for Selective Detection of Urea',	(2017).	Biosensors and Bioelectronics https://doi.org/10.1016/j.bios.2017.06.015	Q1	*9.5*
22	Al-Hadeethi, Yas, Ahmad Umar, Ahmed A Ibrahim, Saleh H Al-Heniti, Rajesh Kumar, S Baskoutas, and Bahaaudin M Raffah 'Synthesis, characterization and acetone gas sensing applications of Ag-doped ZnO nanoneedles',	2017	Ceramics International https://doi.org/10.1016/j.ceramint.2017.02.088	Q1	*4.39*
21	Ahmed A. Ibrahim , Ahmad Umar and S Baskoutas" Ytterbium Doped Zinc Oxide Nanopencils for Chemical Sensor Application",	2017	Journal of Nanoscience and Nanotechnology https://doi.org/10.1166/jnn.2017.14702	Q3	*1.35*
20	Ahmad Umar and Ahmed A. Ibrahim, "Fabrication and Characterization of Dye- ensitized Solar Cell Based on Flower Shaped ZnO Nanostructures"	2017	Journal of Nanoscience and Nanotechnology https://doi.org/10.1166/jnn.2018.14657	Q3	*1.35*
19	Ahmed A Ibrahim, Rajesh Kumar, Ahmad Umar, SH Kim, Ali Bumajdad, ZA Ansari, and S Baskoutas, 'Cauliflower-Shaped ZnO Nanomaterials for Electrochemical Sensing and Photocatalytic Applications',	(2016).	Electrochimica Acta https://doi.org/10.1016/j.electacta.2016.10.199	Q1	*5.38*
18	Ahmed A Ibrahim, Ahmad Umar, Rafiq Ahmad, Rajesh Kumar, and S Baskoutas, 'Fabrication and Characterization of Highly Sensitive and Selective Glucose Biosensor Based on ZnO Decorated Carbon Nanotubes',	(2016),	Nanoscience and Nanotechnology Letters https://doi.org/10.1166/nnl.2016.2259	Q3	*2.91*
17	Ahmed A Ibrahim, Ahmad Umar, Rajesh Kumar, SH Kim, Ali Bumajdad, and S Baskoutas, 'Sm2O3-Doped Zno Beech Fern Hierarchical Structures for Nitroaniline Chemical Sensor',	(2016),	Ceramics International, https://doi.org/10.1016/j.ceramint.2016.07.061	Q1	*4.39*
16	Ahmad Umar, Jong-Heun Lee, Rajesh Kumar, O Al-Dossary, Ahmed A Ibrahim, and S Baskoutas, 'Development of Highly Sensitive and Selective Ethanol Sensor Based on Lance-Shaped CuO Nanostructures',	(2016),	Materials & Design https://doi.org/10.1016/j.matdes.2016.05.006	Q1	*5.77*
15	Ahmad Umar, Rafiq Ahmad, Rajesh Kumar, Ahmed A Ibrahim, and S Baskoutas, 'Bi2O2CO3 Nanoplates: Fabrication and Characterization of Highly Sensitive and Selective Cholesterol Biosensor',	(2016),	Journal of Alloys and Compounds, https://doi.org/10.1016/j.jallcom.2016.05.063	Q1	*4.1*
14	SH Kim, Ahmed A Ibrahim, R Kumar, Ahmad Umar, M Abaker, SW Hwang, and S Baskoutas, 'Synthesis and Characterization of Mimosa Pudica Leaves Shaped ?-Iron Oxide Nanostructures for Ethanol Chemical Sensor Applications',	(2016),	Journal of Nanoscience and Nanotechnologyhttps://doi.org/10.1166/jnn.2016.12334	Q3	*1.35*
13	S.A. Saleh, and Ahmed A. Ibrahim "Hydrothermal synthesis and characterization of nanostructured Fe-doped SnO2"	(2016).	Acta Physica Polonica, A., http://dx.doi.org/10.12693/APhysPolA.129.1220	Q4	*0.54*
12	Rafiq Ahmad, Nirmalya Tripathy, Yoon-Bong Hahn, Ahmad Umar, Ahmed A Ibrahim, and SH Kim, 'A Robust Enzymeless Glucose Sensor Based on CuO Nanoseed Modified Electrodes',	(2015),	Dalton Transactions, https://doi.org/10.1039/C5DT01664A	Q1	*4.05*
11	SH Kim, Ahmad Umar, Rajesh Kumar, Ahmed A Ibrahim, and G Kumar, 'Facile Synthesis and Photocatalytic Activity of Cocoon-Shaped CuO Nanostructures',.	(2015),	Materials Letters https://doi.org/10.1016/j.matlet.2015.05.014	Q1	*3.03*
10	Farid A Harraz, Adel A Ismail, Ahmed A Ibrahim, SA Al-Sayari, and MS Al-Assiri, Highly sensitive ethanol chemical sensor based on nanostructured SnO2 doped ZnO modified glassy carbon electrode',	(2015),	Chemical Physics Letters, https://doi.org/10.1016/j.cplett.2015.09.033	Q2	*1.9*
9	Ahmed A Ibrahim, Sang Woon Hwang, GN Dar, SH Kim, M Abaker, and SG Ansari, 'Synthesis and Characterization of Gd-Doped Zno Nanopencils for Acetone Sensing Application',	(2015),	Science of Advanced Materials https://doi.org/10.1166/sam.2015.2016	Q4	*1.31*
8	M. Faisal, Ahmed A. Ibrahim, Farid A. Harraz, Houcine Bouzid, Saleh A. Al-Sayari , Adel A. Ismail “SnO2 Doped ZnO Nanocaves for Highly Efficient Photocatalyst	(2015)	” Journal of Molecular Catalysis A: Chemical https://doi.org/10.1016/j.molcata.2014.10.027	Q3	*2.93*
7	M. S. Al-Assiri, M. M. El-Desoky, Ahmed A. Ibrahim, M. Abaker, A. A. Bahgat “Nanocrystalline Na0.1V2O5.nH2O Xerogel Thin Film for Gas Sensing”	2014	Journal of Chemical, Nuclear, Metallurgical and Materials Engineering https://doi.org/10.5281/zenodo.1096557	Q2	*2.232*
6	M. Faisal, Ahmed A. Ibrahim , Houcine Bouzid , Adel A. Ismail “Hydrothermally Synthesis of Sr-doped ?-Bi2O3 Nanosheets as Highly Efficient Photocatalysts Under Visible Light”	(2014)	Journal of Molecular Catalysis A: Chemical https://doi.org/10.1016/j.molcata.2014.02.018	Q3	*2.93*
5	Kulvinder Singh, Ahmed A. Ibrahim, Ahmad Umar, G. R. Chaudhary and Sukhjinder Singh, S. K. Mehta, “Highly sensitive 4- nitrophenol chemical sensor based on CeO2-ZnO Nanoellipsoids”	(2014)	Sensors and Actuators B https://doi.org/10.1016/j.snb.2014.05.112	Q1	*6.36*
4	M. Faisal, Adel A. Ismail, Ahmed A. Ibrahim, Houcine Bouzid, Saleh A. Al-Sayari, "Highly Efficient Photocatalyst Based on Ce Doped ZnO Nanorods: Controllable Synthesis and Enhanced Photocatalytic Activity.	(2013)	". Chemical Engineering Journal https://doi.org/10.1016/j.cej.2013.06.004	Q1	*8.355*
3	G. N. Dar, Ahmad Umar, Shabi Abbas Zaidi, Ahmed A. Ibrahim, S. Baskoutas, “Ce-doped ZnO nanorods for the detection of hazardous chemical”	2012,	Sensors and Actuators B: Chemical https://doi.org/10.1016/j.snb.2012.06.001	Q1	*6.36*
2	M. Abaker, G. N. Dar, Ahmad Umar, S. A. Zaidi, Ahmed A. Ibrahim, S. Baskoutas, A. Al-Hajry, “Fabrication of Highly-Sensitive 4-Nitrophenol Chemical Sensor based on CuO Nanocubes”*	(2012)	Science of Advanced Materials https://doi.org/10.1166/sam.2012.1383	Q4	*1.31*
1	Ahmed A. Ibrahim, G. N. Dar, Shabi Abbas Zaidi, Ahmad Umar, S. H. Kim, H. Bouzid, S. Baskoutas, “Growth and properties of Ag-Doped ZnO nanoflowers for highly sensitive phenyl hydrazine chemical sensor application”	2012,	Talanta, https://doi.org/10.1016/j.talanta.2012.02.030	Q1	*4.9*

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أحمد عبد الباقي إبراهيم محمد

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الأبحاث العلمية

https://doi.org/10.1007/s00339-025-08537-4

http://dx.doi.org/10.1007/s00604-024-06927-8

https://doi.org/10.1016/j.molstruc.2025.141706

https://doi.org/10.1016/j.jece.2025.115556

https://doi.org/10.1002/est2.70117

https://doi.org/10.1016/j.ceramint.2025.01.439

http://dx.doi.org/10.1149/1945-7111/ada0ef

https://doi.org/10.1016/j.est.2024.114977

https://doi.org/10.1016/j.microc.2024.112177

https://doi.org/10.1016/j.microc.2024.112177

http://dx.doi.org/10.1016/j.heliyon.2024.e39090

https://doi.org/10.1002/pen.26839

Ranjeet Singh, Rajesh K. Yadav, Satyanath, Satyam Singh, Rehana Shahin, Ahmad Umar, Ahmed A. Ibrahim, Omvir Singh, Navneet K. Gupta, Chandani Singh, Jin OoK. Baeg, Sotirios Baskoutas "Nature-inspired polymer photocatalysts for green NADH regeneration and nitroarene transformation"

Rohit Goyat, Joginder Singh, Ahmad Umar, Yajvinder Saharan, Ahmed A. Ibrahim, Sheikh Akbar, and Sotirios Baskoutas"Enhancing oil–water emulsion separation via synergistic filtration using graphene oxide–silver oxide nanocomposite-embedded polyethersulfone membrane"

and characterization"

Ahmad Umar, Ahmed A. Ibrahim, Amensisa Negasa Begi, Mohsen A.M. Alhamami, Noura Almehbad, Shahid Hussain, Sheikh Akbar

"Synthesis of Bitter gourd-shaped Cu-doped ZnO nanostructures and their investigation for the detection of NO2 gas at low concentrations "

S. A. Saleh, Ihab A. Abdel Latif, A. A. Ibrahim, A. Al-Hajry and E. M. M. Ibrahim " Structure, dielectric and magnetic properties of hydrothermally synthesized Sn1?x Fe x O2 nanoparticles "

Bharti Sharma, Shikha Jain, Ahmad Umar, Sushma Rani, Sandeep Kumar, Ahmed A. Ibrahim, and Neeraj Dilbaghi" Synergistic Electrochemical Sensing of 2,4- Dinitrotoluene via Bimetallic Nickel-Cobalt Oxide Nanoparticles"

Ahmad Umar, Insung Jung,Ahmed A. Ibrahim, M. Shaheer Akhtar, Sundararajan,Ashok Kumar,Mohsen A.M. Alhamami, Tubia Almas, Noura Almehbad, Sotirios Baskoutas "Porous Mn2O3 nanorods-based electrode for high-performance electrochemical supercapacitor"

Science of Advanced Materials https://doi.org/10.1166/sam.2023.4606

https://doi.org/10.1016/j.chemosphere.2023.139697

Empty heading

https://doi.org/10.1166/sam.2021.4106

A.G.Ramu , AhmadUmar ,Ahmed A.Ibrahim, Hassan Algadi , Yousif S.A.Ibrahim,YaoWang,MarliaM.Hanafiah,P.Shanmugam,DongjinChoi "Synthesis of porous 2D layered nickel oxide-reduced graphene oxide (NiO-rGO) hybrid composite for the efficient electrochemical detection of epinephrine in biological fluid"

New Journal of Chemistry

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