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Researcher · Toto (Japan) · Japan

Sayuri Okunaka

Sayuri Okunaka publishes mostly in Renewable Energy, Sustainability and the Environment, Materials Chemistry and Electrical and Electronic Engineering, on topics such as Advanced Photocatalysis Techniques, Copper-based nanomaterials and applications and TiO2 Photocatalysis and Solar Cells.

ORCID 0000-0003-3888-7201 OpenAlex
World rank
#3,922,909
of 7,710,434 ranked researchers
Rank in Japan
#103,636
of 383,136
Works
35
Citations
3.1k
Citations per work
89.4
h-index
16
i10-index 17Top 37% in Renewable Energy, Sustainability and the Environment
Sayuri Okunaka

What does Sayuri Okunaka research?

Sayuri Okunaka's work is mostly in Energy (44%), Materials Science (35%), Engineering (9%).

Physical Sciences: 34 works · 97.0% of their workEnergy: 15 works · 44.0% of their workRenewable Energy, Sustainability and the Environment: 15 works · 44.0% of their workMaterials Science: 12 works · 35.0% of their workMaterials Chemistry: 11 works · 32.0% of their workElectronic, Optical and Magnetic Materials: 1 works · 3.0% of their workEngineering: 3 works · 9.0% of their workElectrical and Electronic Engineering: 3 works · 9.0% of their workChemistry: 2 works · 7.0% of their workOrganic Chemistry: 2 works · 7.0% of their workChemical Engineering: 1 works · 2.0% of their workCatalysis: 1 works · 2.0% of their workEverything else: 1 works · 3.0% of their workTHEIR WORKSayuri Okunaka35works
Physical Sciences97%

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. Energy1544.0%
    2. Materials Science1235.0%
    3. Engineering39.0%
    4. Chemistry27.0%
    5. Chemical Engineering12.0%
  2. Everything else13.0%
  1. 1Renewable Energy, Sustainability and the Environment44% of their works
  2. 2Materials Chemistry32% of their works
  3. 3Electrical and Electronic Engineering9% of their works
  4. 4Organic Chemistry7% of their works
  5. 5Electronic, Optical and Magnetic Materials3% of their works
  6. 6Catalysis2% of their works

Research topics

Which keywords describe Sayuri Okunaka's research?

The keywords of their largest research topics: Nanomaterials, Visible Light, Water Splitting, Semiconductor, Nanostructures, Graphene, Photocatalyst and CuO.

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. Nanomaterials473 topics
  2. Visible Light422 topics
  3. Water Splitting422 topics
  4. Semiconductor342 topics
  5. Nanostructures323 topics
  6. Graphene311 topic
  7. Photocatalyst311 topic
  8. CuO161 topic
  9. Nanocrystals161 topic
  10. Efficiency152 topics
  11. Photocatalysis111 topic
  12. Solar Cells111 topic
  13. Semiconductors92 topics
  14. Catalysis81 topic
  15. Nanoparticles81 topic
  16. Crystal Growth72 topics
  17. Gas Sensors51 topic
  18. Metal Oxide51 topic
  19. Organometal Halide Perovskites41 topic
  20. Perovskite Solar Cells41 topic
  21. Gallium Oxide31 topic
  22. Nanozymes31 topic
  23. Peroxidase-Like Activity31 topic
  24. Ultrawide Bandgap31 topic

Where does Sayuri Okunaka work?

Sayuri Okunaka's main affiliation in the publication record is Toto (Japan), Japan.

How many publications and citations does Sayuri Okunaka have?

OpenAlex counts 35 works and 3,130 citations for Sayuri Okunaka, an h-index of 16, ranking #3,922,909 of 7,710,434 researchers worldwide on the quality 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 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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