Researcher · Najran University · Saudi Arabia
Ahmad Umar
Ahmad Umar publishes mostly in Materials Chemistry, Electrical and Electronic Engineering and Renewable Energy, Sustainability and the Environment, on topics such as Gas Sensing Nanomaterials and Sensors, ZnO doping and properties and Advanced Photocatalysis Techniques.
- World rank
- #138,548 of 7,710,434 ranked researchers
- Rank in Saudi Arabia
- #504 of 25,688
- Works
- 957
- Citations
- 38k
- Citations per work
- 39.5
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