World's Best Scientists 2026 revealed!
Ryuzi Katoh

Ryuzi Katoh

D-Index & Metrics

Chemistry

D-Index
60
Citations
15028
World Ranking
9599
National Ranking
683

Ryuzi Katoh publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Ryuzi Katoh sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 233 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Ryuzi Katoh D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ryuzi Katoh sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 60 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Ryuzi Katoh is affiliated with Nihon University in Japan and has a research focus that spans materials science and engineering. Their work primarily addresses materials chemistry and electrical and electronic engineering, with significant contributions to renewable energy, sustainability, and the environment. Subfields such as physical and theoretical chemistry and atomic and molecular physics, and optics are also notable areas in their research portfolio.

The scientist's research topics include:

  • Perovskite Materials and Applications
  • Advanced Photocatalysis Techniques
  • TiO2 Photocatalysis and Solar Cells
  • Electronic and Structural Properties of Oxides
  • Luminescence Properties of Advanced Materials
  • Photochemistry and Electron Transfer Studies
  • Luminescence and Fluorescent Materials

Ryuzi Katoh has frequently published in several scientific journals. The most common publication venues are:

  • The Journal of Physical Chemistry C (11 publications)
  • The Cambridge Structural Database (5 publications)
  • ACS Applied Materials & Interfaces (3 publications)
  • The Journal of Chemical Physics (3 publications)
  • Advanced Energy Materials (2 publications)

Recent publications authored or co-authored by Ryuzi Katoh include:

  • Predicting Solar Cell Performance from Terahertz and Microwave Spectroscopy, 2022, Advanced Energy Materials
  • Origin of Enhanced Overall Water Splitting Efficiency in Aluminum-Doped SrTiO3 Photocatalyst, 2023, Advanced Energy Materials
  • Water-Splitting Activity of La-Doped NaTaO3 Photocatalysts Sensitive to Spatial Distribution of Dopants, 2020, The Journal of Physical Chemistry C
  • Archetype-Cation-Based Room-Temperature Ionic Liquid: Aliphatic Primary Ammonium Bis(trifluoromethylsulfonyl)imide as a Highly Functional Additive for a Hole Transport Material in Perovskite Solar Cells, 2023, ACS Applied Materials & Interfaces
  • Synthesis, Reactivity, and Properties of Benz[a]azulenes via the [8 + 2] Cycloaddition of 2 H -Cyclohepta[b]furan-2-ones with an Enamine, 2022, The Journal of Organic Chemistry

The scientist has collaborated repeatedly with a group of co-authors including:

  • Naoyuki Nishimura
  • Takurou N. Murakami
  • Taku Shoji
  • Akari Yamazaki
  • Shunji Ito

Best Publications

  • Molecular Design of Coumarin Dyes for Efficient Dye-Sensitized Solar Cells

    Kohjiro Hara;Tadatake Sato;Ryuzi Katoh;Akihiro Furube

  • Ultrafast plasmon-induced electron transfer from gold nanodots into TiO2 nanoparticles.

    Akihiro Furube;Luchao Du;Kohjiro Hara;Ryuzi Katoh

  • Efficiencies of Electron Injection from Excited N3 Dye into Nanocrystalline Semiconductor (ZrO2, TiO2, ZnO, Nb2O5, SnO2, In2O3) Films

    Ryuzi Katoh;Akihiro Furube;Toshitada Yoshihara;Kohjiro Hara

  • Oligothiophene-containing coumarin dyes for efficient dye-sensitized solar cells.

    Kohjiro Hara;† Zhong-Sheng Wang;Tadatake Sato;Akihiro Furube

  • Identification of Reactive Species in Photoexcited Nanocrystalline TiO2 Films by Wide-Wavelength-Range (400−2500 nm) Transient Absorption Spectroscopy

    Toshitada Yoshihara;Ryuzi Katoh;Akihiro Furube;Yoshiaki Tamaki

  • Novel conjugated organic dyes for efficient dye-sensitized solar cells

    K. Hara;T. Sato;R. Katoh;A. Furube

  • Direct observation of reactive trapped holes in TiO2 undergoing photocatalytic oxidation of adsorbed alcohols: evaluation of the reaction rates and yields.

    Yoshiaki Tamaki;Akihiro Furube;Miki Murai;Kohjiro Hara

  • Recent advances in instrumentation for absolute emission quantum yield measurements

    Hitoshi Ishida;Seiji Tobita;Yasuchika Hasegawa;Ryuzi Katoh

  • Dynamics of efficient electron-hole separation in TiO2 nanoparticles revealed by femtosecond transient absorption spectroscopy under the weak-excitation condition.

    Yoshiaki Tamaki;Akihiro Furube;Miki Murai;Kohjiro Hara

  • Analysis of the excited states of regioregular polythiophene P3HT

    Steffan Cook;Akihiro Furube;Ryuzi Katoh

  • Plasmon-Induced Charge Separation and Recombination Dynamics in Gold−TiO2 Nanoparticle Systems: Dependence on TiO2 Particle Size

    Luchao Du;Akihiro Furube;Kazuhiro Yamamoto;Kohjiro Hara

  • Dye sensitization of nanocrystalline titanium dioxide with square planar platinum(II) diimine dithiolate complexes.

    Ashraful Islam;Hideki Sugihara;Kohjiro Hara;Lok Pratap Singh

  • Fluorescence Quantum Yield of Aromatic Hydrocarbon Crystals

    Ryuzi Katoh;Kengo Suzuki;Akihiro Furube;Masahiro Kotani

  • Electron Injection Efficiency from Excited N3 into Nanocrystalline ZnO Films: Effect of (N3−Zn2+) Aggregate Formation

    Hiroaki Horiuchi;Ryuzi Katoh;Kohjiro Hara;Masatoshi Yanagida

  • Porphyrins for dye-sensitised solar cells: new insights into efficiency-determining electron transfer steps

    Matthew J. Griffith;Kenji Sunahara;Kenji Sunahara;Pawel Wagner;Klaudia Wagner

  • Zn-Zn porphyrin dimer-sensitized solar cells: toward 3-D light harvesting.

    Attila J. Mozer;Matthew J. Griffith;George Tsekouras;Pawel W Wagner

  • Kinetics and mechanism of electron injection and charge recombination in dye-sensitized nanocrystalline semiconductors

    Ryuzi Katoh;Akihiro Furube;Alexander V. Barzykin;Hironori Arakawa

  • Femtosecond Visible-to-IR Spectroscopy of TiO2 Nanocrystalline Films: Elucidation of the Electron Mobility before Deep Trapping†

    Yoshiaki Tamaki;Kohjiro Hara;Ryuzi Katoh;M. Tachiya

  • Origin of the stabilization energy of perylene excimer as studied by fluorescence and near-IR transient absorption spectroscopy

    Ryuzi Katoh;Subrata Sinha;Shigeo Murata;M Tachiya

  • Electron injection efficiency in dye-sensitized solar cells

    Ryuzi Katoh;Ryuzi Katoh;Akihiro Furube

  • Efficiencies of Electron Injection from Excited Sensitizer Dyes to Nanocrystalline ZnO Films as Studied by Near-IR Optical Absorption of Injected Electrons

    Ryuzi Katoh;Akihiro Furube;Kohjiro Hara;Shigeo Murata

Frequent Co-Authors

Akihiro Furube
Akihiro Furube University of Tokushima
Kohjiro Hara
Kohjiro Hara National Institute of Advanced Industrial Science and Technology
Hideki Sugihara
Hideki Sugihara National Institute of Advanced Industrial Science and Technology
Masatoshi Yanagida
Masatoshi Yanagida National Institute for Materials Science
Prashant Sonar
Prashant Sonar Queensland University of Technology
Ashraful Islam
Ashraful Islam National Institute for Materials Science
Liyuan Han
Liyuan Han Shanghai Jiao Tong University
Tomoyoshi Suenobu
Tomoyoshi Suenobu Osaka University
Kazuhiro Sayama
Kazuhiro Sayama National Institute of Advanced Industrial Science and Technology
David L. Officer
David L. Officer University of Wollongong

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