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Researcher · Hanseo University · South Korea

Kefayat Ullah

Kefayat Ullah publishes mostly in Renewable Energy, Sustainability and the Environment, Materials Chemistry and Computer Networks and Communications, on topics such as Advanced Photocatalysis Techniques, TiO2 Photocatalysis and Solar Cells and Quantum Dots Synthesis And Properties.

ORCID 0000-0001-5099-4662 OpenAlex
World rank
#1,471,180
of 1,633,909 ranked researchers
Rank in South Korea
#33,675
of 38,381
Works
22
Citations
62
Citations per work
2.8

What does Kefayat Ullah research?

Renewable Energy, Sustainability and the Environment: 38.9%Materials Chemistry: 27.8%Computer Networks and Communications: 8.3%Biomedical Engineering: 5.6%other fields: 19.4%39%top field
Renewable Energy, Sustainability and the Environment38.9%Materials Chemistry27.8%Computer Networks and Communications8.3%Biomedical Engineering5.6%other fields19.4%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Renewable Energy, Sustainability and the Environment39% of their works
  2. 2Materials Chemistry28% of their works
  3. 3Computer Networks and Communications8% of their works
  4. 4Biomedical Engineering6% of their works
  5. 5Atomic and Molecular Physics, and Optics6% of their works
  6. 6Organic Chemistry6% of their works

Research topics

Which keywords describe Kefayat Ullah's research?

The keywords of their largest research topics: Nanomaterials, Visible Light, Semiconductor Nanocrystals, Solar Cells, Graphene, Photocatalyst, Semiconductor and Photocatalysis.

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.

All 24 words, with their numbers
  1. Nanomaterials132 topics
  2. Visible Light132 topics
  3. Semiconductor Nanocrystals112 topics
  4. Solar Cells112 topics
  5. Graphene92 topics
  6. Photocatalyst71 topic
  7. Semiconductor71 topic
  8. Photocatalysis61 topic
  9. Titanium Dioxide61 topic
  10. Nanocrystals51 topic
  11. Quantum Dots51 topic
  12. Nanocomposites42 topics
  13. Carbon Nanotubes21 topic
  14. Catalytic Reduction21 topic
  15. Mobile Ad Hoc Networks22 topics
  16. Mobility Models22 topics
  17. Nitro Compounds21 topic
  18. Two-Dimensional Materials21 topic
  19. Ad Hoc Networks11 topic
  20. Delay-Tolerant Networks11 topic
  21. Key Management11 topic
  22. Opportunistic Routing11 topic
  23. Secure Routing11 topic
  24. Wireless Mesh Networks11 topic

Where does Kefayat Ullah work?

Kefayat Ullah's main affiliation in the publication record is Hanseo University, South Korea.

How many publications and citations does Kefayat Ullah have?

Science Explorer counts 22 works and 62 citations for Kefayat Ullah, ranking #1,471,180 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised 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.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.