2023 - Research.com Materials Science in Saudi Arabia Leader Award
2022 - Research.com Materials Science in Saudi Arabia Leader Award
Ahmad Umar mostly deals with Nanotechnology, Chemical engineering, Nanostructure, Detection limit and Wurtzite crystal structure. His Nanotechnology study combines topics in areas such as Hydrothermal circulation, Metal and Energy conversion efficiency. His Chemical engineering research is multidisciplinary, incorporating elements of Photocatalysis, Inorganic chemistry and Crystal.
Ahmad Umar focuses mostly in the field of Photocatalysis, narrowing it down to matters related to Nanoparticle and, in some cases, Doping. Ahmad Umar combines subjects such as Amperometry, Chemical sensor, Electrode and Biosensor with his study of Detection limit. Ahmad Umar interconnects Silicon, Hexagonal phase, Nanorod, Substrate and Photoluminescence in the investigation of issues within Wurtzite crystal structure.
Ahmad Umar focuses on Chemical engineering, Nanotechnology, Wurtzite crystal structure, Nanoparticle and Photocatalysis. His research is interdisciplinary, bridging the disciplines of Doping and Chemical engineering. The Nanotechnology study which covers Detection limit that intersects with Amperometry, Biosensor and Electrode.
His study in Wurtzite crystal structure is interdisciplinary in nature, drawing from both Nanorod, Substrate, Photoluminescence and Hexagonal phase. In Nanoparticle, Ahmad Umar works on issues like Inorganic chemistry, which are connected to Aqueous solution. The study incorporates disciplines such as Photochemistry and Visible spectrum in addition to Photocatalysis.
Ahmad Umar mainly investigates Chemical engineering, Nuclear chemistry, Nanoparticle, Photocatalysis and Fourier transform infrared spectroscopy. As a part of the same scientific study, Ahmad Umar usually deals with the Chemical engineering, concentrating on Adsorption and frequently concerns with Molecule. His biological study spans a wide range of topics, including Detection limit, Crystallinity, Fluorescence and Aqueous solution.
The various areas that Ahmad Umar examines in his Nanoparticle study include Biocompatibility, Oxide and Nanomaterials. His Photocatalysis research includes themes of Transmission electron microscopy, Visible spectrum and Wurtzite crystal structure. His research investigates the connection between Fourier transform infrared spectroscopy and topics such as Spectroscopy that intersect with issues in Photoluminescence.
Ahmad Umar mainly focuses on Chemical engineering, Photocatalysis, Nanotechnology, Hydrothermal circulation and Nuclear chemistry. The concepts of his Chemical engineering study are interwoven with issues in Electrode and Adsorption. His Photocatalysis study combines topics from a wide range of disciplines, such as Photochemistry and Visible spectrum.
Ahmad Umar focuses mostly in the field of Visible spectrum, narrowing it down to topics relating to Nanoparticle and, in certain cases, Doping. His work in Sensing applications and Nanostructure is related to Nanotechnology. His Hydrothermal circulation study incorporates themes from Methylene blue and Crystal.
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Zinc Oxide Nanostructures for NO2 Gas–Sensor Applications: A Review
Rajesh Kumar;O. Al-Dossary;Girish Kumar;Ahmad Umar.
Nano-micro Letters (2015)
Hierarchical porous carbon aerogel derived from bagasse for high performance supercapacitor electrode
Pin Hao;Zhenhuan Zhao;Jian Tian;Haidong Li.
Hierarchical SnO2 Nanostructures Made of Intermingled Ultrathin Nanosheets for Environmental Remediation, Smart Gas Sensor, and Supercapacitor Applications
Yang Liu;Yang Jiao;Zhenglin Zhang;Fengyu Qu.
ACS Applied Materials & Interfaces (2014)
Zinc oxide nanonail based chemical sensor for hydrazine detection
Ahmad Umar;Mohammed Muzibur Rahman;Sang Hoon Kim;Yoon-Bong Hahn.
Chemical Communications (2008)
Antimicrobial properties of ZnO nanomaterials: A review
Rajesh Kumar;Ahmad Umar;Girish Kumar;Hari Singh Nalwa.
Ceramics International (2017)
Biomass-derived nitrogen-doped carbon quantum dots: highly selective fluorescent probe for detecting Fe3+ ions and tetracyclines.
Houjuan Qi;Min Teng;Miao Liu;Shouxin Liu.
Journal of Colloid and Interface Science (2019)
Growth of aligned ZnO nanorods and nanopencils on ZnO/Si in aqueous solution: growth mechanism and structural and optical properties
Q Ahsanulhaq;A Umar;Y B Hahn.
Catalyst-free large-quantity synthesis of ZnO nanorods by a vapor-solid growth mechanism : Structural and optical properties
A. Umar;S.H. Kim;Y.-S. Lee;K.S. Nahm.
Journal of Crystal Growth (2005)
ZnO nanosheet networks and hexagonal nanodiscs grown on silicon substrate: growth mechanism and structural and optical properties
Ahmad Umar;Y B Hahn.
Ultra-sensitive cholesterol biosensor based on low-temperature grown ZnO nanoparticles
Ahmad Umar;M.M. Rahman;Mohammad Vaseem;Yoon-Bong Hahn.
Electrochemistry Communications (2009)
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