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World rank
#98,511
of 7,710,434 ranked researchers
Rank in Portugal
#182
of 41,760
Works
197
Citations
18k
Citations per work
90.0
h-index
67
i10-index 164Top 1.1% in Materials Chemistry

What does J.J.M. Órfão research?

J.J.M. Órfão's work is mostly in Materials Science (26%), Engineering (14%), Chemical Engineering (11%).

Physical Sciences76%

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. Materials Science5226.3%
    2. Engineering2713.9%
    3. Chemical Engineering2211.3%
    4. Environmental Science189.0%
    5. Chemistry168.1%
    6. Energy157.4%
  1. Everything else4724.0%
  1. 1Materials Chemistry26% of their works
  2. 2Biomedical Engineering14% of their works
  3. 3Catalysis11% of their works
  4. 4Water Science and Technology9% of their works
  5. 5Organic Chemistry8% of their works
  6. 6Renewable Energy, Sustainability and the Environment7% of their works

Research topics

Which keywords describe J.J.M. Órfão's research?

The keywords of their largest research topics: Catalysis, Nanoparticles, Oxidation, Heterogeneous Catalysis, Heterogeneous Catalysts, Ionic Liquids, Catalytic Reduction and Nitro Compounds.

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. Catalysis1493 topics
  2. Nanoparticles911 topic
  3. Oxidation911 topic
  4. Heterogeneous Catalysis762 topics
  5. Heterogeneous Catalysts522 topics
  6. Ionic Liquids522 topics
  7. Catalytic Reduction391 topic
  8. Nitro Compounds391 topic
  9. Advanced Oxidation Processes381 topic
  10. Dehydrogenation381 topic
  11. Oxidative381 topic
  12. Water Treatment381 topic
  13. Biomass351 topic
  14. Catalytic Conversion351 topic
  15. Photocatalyst211 topic
  16. Semiconductor211 topic
  17. Mesoporous Materials201 topic
  18. Nanocomposite Materials201 topic
  19. Desulfurization171 topic
  20. Hydrodeoxygenation171 topic

Where does J.J.M. Órfão work?

J.J.M. Órfão's main affiliation in the publication record is Universidade do Porto, Portugal.

How many publications and citations does J.J.M. Órfão have?

OpenAlex counts 197 works and 17,735 citations for J.J.M. Órfão, an h-index of 67, ranking #98,511 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.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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