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Ahmad Umar

Affiliation : Najran University · The Ohio State University

• 6Publications (affiliation in Saudi Arabia)
• 936Total publications
• 37922Citations
• 98h-index

ORCIDOpenAlex

Research profile

Ahmad Umar has 6 indexed publications (2017–2026). Their work appears mainly in “Polymer Bulletin”, “Journal of Optics” and “Science of Advanced Materials”. Their most cited article, “Fabrication and characterization of highly sensitive and selective sensors based on porous NiO nanodisks” (2017), has been cited 98 times. 4 of these publications date from the last three years of activity. Their work is co-authored with at least 11 researchers, including institutions in Greece, Morocco, United States, Tunisia.

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Research areas

• ZnO doping and properties
• Advanced Photocatalysis Techniques
• Electrochemical sensors and biosensors
• Gas Sensing Nanomaterials and Sensors
• TiO2 Photocatalysis and Solar Cells

Publications (6)

• Biodegradable nanocomposite films based on chitosan, polyvinylpyrrolidone, and graphene nanosheets decorated with nano-zerovalent copper: physicochemical properties and food packaging applications
  2026 · Polymer Bulletin
• Design optimization of InGaP active layers and multilayer antireflection coatings for enhanced quantum efficiency
  2026 · Journal of Optics
• Eco-Synthesis of Gold Nanoparticles Using Vigna unguiculata Seed Extract: A Leap in the Direction of Antiglycation Remedies
  2024 · Science of Advanced Materials · cited 3 times
• Optimized in vitro assessment of ZrO 2 –CaO/PMMA hybrid biocomposite with multi-walled carbon nanotube reinforcement for enhanced bone reconstruction
  2024 · International Journal of Polymeric Materials
• Fabrication and characterization of highly sensitive and selective sensors based on porous NiO nanodisks
  2017 · Sensors and Actuators B Chemical · cited 98 times
• Highly sensitive and selective non-enzymatic monosaccharide and disaccharide sugar sensing based on carbon paste electrodes modified with perforated NiO nanosheets
  2017 · New Journal of Chemistry · cited 29 times

Publication venues

• Polymer Bulletin × 1
• Journal of Optics × 1
• Science of Advanced Materials × 1
• International Journal of Polymeric Materials × 1
• Sensors and Actuators B Chemical × 1
• New Journal of Chemistry × 1

Publications per year

• 20262
• 20242
• 20172

Collaborations

Partner institutions : University of Ha'il · University of Patras · Université Ibn Zohr · King Khalid University · Tunis El Manar University

Co-authors’ countries : Greece · Morocco · United States · Tunisia

Co-authors

• Ahmed A. Ibrahim
• Ahmed Al-Otaibi
• Mohd Wajid Ali Khan
• M.S. Al-Assiri
• A.E. Al-Salami
• Saheem Ahmad
• Abdulmohsen Khalaf Dhahi Alsukaibi
• Lassaad Mechi
• Asma K. Alshamari
• Eida Mohammed Alshammari
• Fathi Rabeh Alimi

Bibliographic data from OpenAlex (open database).