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Researcher · Najran University · Saudi Arabia

Rajesh Kumar

Rajesh Kumar publishes mostly in Materials Chemistry, Electrical and Electronic Engineering and Bioengineering, on topics such as Gas Sensing Nanomaterials and Sensors, ZnO doping and properties and Analytical Chemistry and Sensors.

ORCID 0000-0002-5189-9031 OpenAlex
World rank
#236,623
of 7,710,434 ranked researchers
Rank in Saudi Arabia
#904
of 25,688
Works
157
Citations
7.7k
Citations per work
48.8
h-index
48
i10-index 99Top 3.7% in Materials Chemistry
Rajesh Kumar

What does Rajesh Kumar research?

Rajesh Kumar's work is mostly in Engineering (26%), Materials Science (25%), Chemical Engineering (7%).

Physical Sciences: 99 works · 63.0% of their workEngineering: 41 works · 26.0% of their workElectrical and Electronic Engineering: 30 works · 19.3% of their workBiomedical Engineering: 11 works · 6.7% of their workMaterials Science: 40 works · 25.3% of their workMaterials Chemistry: 32 works · 20.7% of their workBiomaterials: 7 works · 4.6% of their workChemical Engineering: 11 works · 6.9% of their workBioengineering: 11 works · 6.9% of their workEnergy: 8 works · 4.8% of their workRenewable Energy, Sustainability and the Environment: 8 works · 4.8% of their workEverything else: 58 works · 37.0% of their workTHEIR WORKRajesh Kumar157works
Physical Sciences63%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering4126.0%
    2. Materials Science4025.3%
    3. Chemical Engineering116.9%
    4. Energy84.8%
  2. Everything else5837.0%
  1. 1Materials Chemistry21% of their works
  2. 2Electrical and Electronic Engineering19% of their works
  3. 3Bioengineering7% of their works
  4. 4Biomedical Engineering7% of their works
  5. 5Renewable Energy, Sustainability and the Environment5% of their works
  6. 6Biomaterials5% of their works

Research topics

Which keywords describe Rajesh Kumar's research?

The keywords of their largest research topics: Nanostructures, Semiconductors, Nanomaterials, Gas Sensors, Metal Oxide, Ferromagnetism, Zinc Oxide and Graphene.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 20 words, with their numbers
  1. Nanostructures1053 topics
  2. Semiconductors922 topics
  3. Nanomaterials863 topics
  4. Gas Sensors471 topic
  5. Metal Oxide471 topic
  6. Ferromagnetism451 topic
  7. Zinc Oxide451 topic
  8. Graphene392 topics
  9. Ion-Selective Electrodes301 topic
  10. Optical Sensors301 topic
  11. Electrochemical Biosensors251 topic
  12. Glucose Sensors251 topic
  13. Photocatalyst141 topic
  14. Semiconductor141 topic
  15. Breath Analysis131 topic
  16. CuO131 topic
  17. Detection131 topic
  18. Electrochemical131 topic
  19. Electronic Nose131 topic
  20. Nanocrystals131 topic

Where does Rajesh Kumar work?

Rajesh Kumar's main affiliation in the publication record is Najran University, Saudi Arabia.

How many publications and citations does Rajesh Kumar have?

OpenAlex counts 157 works and 7,655 citations for Rajesh Kumar, an h-index of 48, ranking #236,623 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named Rajesh Kumar

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