Ahmad Umar

818 papers and 27.8k indexed citations i.

About

Ahmad Umar is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Renewable Energy, Sustainability and the Environment. According to data from OpenAlex, Ahmad Umar has authored 818 papers receiving a total of 27.8k indexed citations (citations by other indexed papers that have themselves been cited), including 404 papers in Materials Chemistry, 395 papers in Electrical and Electronic Engineering and 142 papers in Renewable Energy, Sustainability and the Environment. Recurrent topics in Ahmad Umar’s work include Gas Sensing Nanomaterials and Sensors (199 papers), ZnO doping and properties (160 papers) and Advanced Photocatalysis Techniques (113 papers). Ahmad Umar is often cited by papers focused on Gas Sensing Nanomaterials and Sensors (199 papers), ZnO doping and properties (160 papers) and Advanced Photocatalysis Techniques (113 papers). Ahmad Umar collaborates with scholars based in Saudi Arabia, India and China. Ahmad Umar's co-authors include Yoon‐Bong Hahn, Rajesh Kumar, S.K. Mehta, Sushil Kumar Kansal, Sotirios Baskoutas, Girish Kumar, Mohammed M. Rahman, Ahmed A. Ibrahim, Savita Chaudhary and A. Al‐Hajry and has published in prestigious journals such as Environmental Science & Technology, ACS Nano and Applied Physics Letters.

In The Last Decade

Co-authorship network of co-authors of Ahmad Umar i

Fields of papers citing papers by Ahmad Umar

Since Specialization
EngineeringComputer SciencePhysics and AstronomyMathematicsEarth and Planetary SciencesEnergyEnvironmental ScienceMaterials ScienceChemical EngineeringChemistryAgricultural and Biological SciencesVeterinaryDecision SciencesArts and HumanitiesBusiness, Management and AccountingSocial SciencesPsychologyEconomics, Econometrics and FinanceHealth ProfessionsDentistryMedicineBiochemistry, Genetics and Molecular BiologyNeuroscienceNursingImmunology and MicrobiologyPharmacology, Toxicology and Pharmaceutics

This network shows the specialization of papers citing the papers produced by Ahmad Umar. Nodes represent fields, and links connect fields that are likely to share authors. The network helps show where Ahmad Umar may publish in the future.

Countries citing papers authored by Ahmad Umar

Since Specialization
Citations

This map shows the geographic impact of Ahmad Umar's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ahmad Umar with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ahmad Umar more than expected).

Rankless by CCL
2025