Akihiko Kudo

54.1k total citations · 15 hit papers
350 papers, 47.7k citations indexed

About

Akihiko Kudo is a scholar working on Renewable Energy, Sustainability and the Environment, Materials Chemistry and Electrical and Electronic Engineering. According to data from OpenAlex, Akihiko Kudo has authored 350 papers receiving a total of 47.7k indexed citations (citations by other indexed papers that have themselves been cited), including 303 papers in Renewable Energy, Sustainability and the Environment, 270 papers in Materials Chemistry and 138 papers in Electrical and Electronic Engineering. Recurrent topics in Akihiko Kudo's work include Advanced Photocatalysis Techniques (282 papers), Copper-based nanomaterials and applications (106 papers) and TiO2 Photocatalysis and Solar Cells (74 papers). Akihiko Kudo is often cited by papers focused on Advanced Photocatalysis Techniques (282 papers), Copper-based nanomaterials and applications (106 papers) and TiO2 Photocatalysis and Solar Cells (74 papers). Akihiko Kudo collaborates with scholars based in Japan, Australia and United States. Akihiko Kudo's co-authors include Hideki Kato, Yugo Miseki, Akihide Iwase, Issei Tsuji, Hisayoshi Kobayashi, Rose Amal, Yun Hau Ng, Kiyotaka Asakura, Tadayoshi Sakata and Jiaguo Yu and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and Chemical Society Reviews.

In The Last Decade

Akihiko Kudo

344 papers receiving 47.1k citations

Hit Papers

Heterogeneous photocataly... 1998 2026 2007 2016 2008 1999 2003 2001 2011 2.5k 5.0k 7.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Heterogeneous photocatalyst materials for water splitting
    2008 9.2k citations Akihiko Kudo et al. profile →
  2. A Novel Aqueous Process for Preparation of Crystal Form-Controlled and Highly Crystalline BiVO4 Powder from Layered Vanadates at Room Temperature and Its Photocatalytic and Photophysical Properties
    1999 1.8k citations Akihiko Kudo, Hideki Kato et al. profile →
  3. Highly Efficient Water Splitting into H2 and O2 over Lanthanum-Doped NaTaO3 Photocatalysts with High Crystallinity and Surface Nanostructure
    2003 1.5k citations Hideki Kato, Akihiko Kudo et al. profile →
  4. Selective Preparation of Monoclinic and Tetragonal BiVO4with Scheelite Structure and Their Photocatalytic Properties
    2001 998 citations Hideki Kato, Akihiko Kudo et al. profile →
  5. Reduced Graphene Oxide as a Solid-State Electron Mediator in Z-Scheme Photocatalytic Water Splitting under Visible Light
    2011 927 citations Akihide Iwase, Yun Hau Ng et al. profile →
  6. Effects of Structural Variation on the Photocatalytic Performance of Hydrothermally Synthesized BiVO4
    2006 870 citations Akihiko Kudo et al. profile →
  7. Photocatalytic Activities of Noble Metal Ion Doped SrTiO3 under Visible Light Irradiation
    2004 815 citations Hideki Kato, Akihiko Kudo et al. profile →
  8. Reducing Graphene Oxide on a Visible-Light BiVO4 Photocatalyst for an Enhanced Photoelectrochemical Water Splitting
    2010 749 citations Yun Hau Ng, Akihide Iwase et al. profile →
  9. Photocatalytic H2 Evolution Reaction from Aqueous Solutions over Band Structure-Controlled (AgIn)xZn2(1-x)S2 Solid Solution Photocatalysts with Visible-Light Response and Their Surface Nanostructures
    2004 734 citations Hideki Kato, Akihiko Kudo et al. profile →
  10. Visible-Light-Response and Photocatalytic Activities of TiO2 and SrTiO3 Photocatalysts Codoped with Antimony and Chromium
    2002 718 citations Hideki Kato, Akihiko Kudo profile →
  11. Photocatalytic O2 evolution under visible light irradiation on BiVO4 in aqueous AgNO3 solution
    1998 635 citations Akihiko Kudo, Hideki Kato et al. profile →
  12. Water Splitting into H2 and O2 on Alkali Tantalate Photocatalysts ATaO3 (A = Li, Na, and K)
    2001 586 citations Hideki Kato, Akihiko Kudo profile →
  13. Surface Modification of CoOx Loaded BiVO4 Photoanodes with Ultrathin p-Type NiO Layers for Improved Solar Water Oxidation
    2015 586 citations Takashi Hisatomi, Akihide Iwase et al. profile →
  14. Water Splitting into H2 and O2 on New Sr2M2O7 (M = Nb and Ta) Photocatalysts with Layered Perovskite Structures:  Factors Affecting the Photocatalytic Activity
    1999 570 citations Akihiko Kudo, Hideki Kato et al. profile →
  15. Photocatalytic Reduction of Carbon Dioxide over Ag Cocatalyst-Loaded ALa4Ti4O15 (A = Ca, Sr, and Ba) Using Water as a Reducing Reagent
    2011 517 citations Akihiko Kudo et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Akihiko Kudo Japan 97 40.7k 36.6k 19.3k 4.6k 2.4k 350 47.7k
Baibiao Huang China 96 22.4k 0.6× 25.7k 0.7× 13.1k 0.7× 4.3k 0.9× 2.4k 1.0× 705 34.8k
Xianzhi Fu China 92 31.6k 0.8× 29.6k 0.8× 12.4k 0.6× 3.2k 0.7× 1.8k 0.8× 356 40.0k
Ying Dai China 92 19.8k 0.5× 25.4k 0.7× 11.7k 0.6× 4.8k 1.0× 2.0k 0.8× 652 34.3k
Kazuhiro Takanabe Japan 67 26.4k 0.7× 22.1k 0.6× 13.2k 0.7× 2.4k 0.5× 4.3k 1.8× 247 32.6k
Honggang Fu China 105 30.5k 0.7× 23.7k 0.6× 19.4k 1.0× 7.1k 1.6× 1.8k 0.7× 507 42.6k
Tsuyoshi Takata Japan 75 24.6k 0.6× 22.3k 0.6× 9.1k 0.5× 3.0k 0.7× 1.6k 0.6× 184 28.8k
Aijun Du Australia 90 17.7k 0.4× 21.9k 0.6× 14.2k 0.7× 3.8k 0.8× 4.6k 1.9× 486 33.6k
Hua Gui Yang China 89 20.9k 0.5× 19.1k 0.5× 13.9k 0.7× 2.6k 0.6× 1.9k 0.8× 422 31.1k
Tao Yao China 69 20.4k 0.5× 15.2k 0.4× 11.3k 0.6× 2.4k 0.5× 4.3k 1.8× 307 28.6k
Yao Zheng Australia 101 42.9k 1.1× 17.3k 0.5× 28.1k 1.5× 4.6k 1.0× 9.2k 3.8× 278 50.3k

Countries citing papers authored by Akihiko Kudo

Since Specialization
Citations

This map shows the geographic impact of Akihiko Kudo's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Akihiko Kudo with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Akihiko Kudo more than expected).

Fields of papers citing papers by Akihiko Kudo

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Akihiko Kudo. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Akihiko Kudo. The network helps show where Akihiko Kudo may publish in the future.

Co-authorship network of co-authors of Akihiko Kudo

This figure shows the co-authorship network connecting the top 25 collaborators of Akihiko Kudo. A scholar is included among the top collaborators of Akihiko Kudo based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Akihiko Kudo. Akihiko Kudo is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Takayama, Tomoaki, Akihide Iwase, & Akihiko Kudo. (2025). Improvement of performance to form syngas utilizing water and CO 2 over a particulate-Cu 0.8 Ag 0.2 GaS 2 -based photocathode by surface co-modification with ZnS and Ag. Sustainable Energy & Fuels. 9(7). 1709–1716. 1 indexed citations
2.
Banik, Avishek, Hiroaki Maekawa, Javier Fajardo, et al.. (2025). Unequal {110} Facets: The Potential Role of Intraparticle Heterogeneity and Facet Termination in Photoelectrochemical Activity of Single BiVO4 Particles. ACS Nano. 19(6). 6250–6262. 3 indexed citations
3.
Kudo, Akihiko. (2025). Development of Photocatalysts for Artificial Photosynthesis Aiming at Carbon Neutrality. Electrochemistry. 93(10). 101001–101001. 1 indexed citations
4.
Suzuki, Tomiko M., Takamasa Nonaka, Takeshi Uyama, et al.. (2025). Direct observation of an ionic cobalt complex electron mediator via operando X-ray absorption spectroscopy in photocatalytic Z-scheme CO 2 reduction with (CuGa) 0.3 Zn 1.4 S 2 and BiVO 4. Chemical Communications. 61(99). 19620–19623. 1 indexed citations
5.
Watanabe, K., et al.. (2024). Water splitting over transition metal-doped SrTiO3 photocatalysts with response to visible light up to 660 nm. Chemical Science. 15(39). 16025–16033. 16 indexed citations
6.
Chen, Zejie, K. Watanabe, Akihiko Kudo, et al.. (2024). Revealing the role of redox reaction selectivity and mass transfer in current–voltage predictions for ensembles of photocatalysts. Energy & Environmental Science. 17(21). 8254–8273. 3 indexed citations
7.
Kawawaki, Tokuhisa, Daisuke Hirayama, Kosaku Kato, et al.. (2023). Carbon Nitride Loaded with an Ultrafine, Monodisperse, Metallic Platinum‐Cluster Cocatalyst for the Photocatalytic Hydrogen‐Evolution Reaction. Small. 19(34). e2208287–e2208287. 32 indexed citations
8.
Takayama, Tomoaki, Akihide Iwase, & Akihiko Kudo. (2023). Water splitting and CO2 reduction over an AgSr2Ta5O15 photocatalyst developed by a valence band control strategy. Chemical Communications. 59(51). 7911–7914. 4 indexed citations
9.
Kudo, Akihiko, Yoshihisa Sakata, Junko N. Kondo, et al.. (2023). A Career in Catalysis: Kazunari Domen. ACS Catalysis. 13(10). 6934–6955. 10 indexed citations
10.
Chen, Zejie, K. Watanabe, Akihiko Kudo, et al.. (2023). Single-Particle Measurements Reveal the Origin of Low Solar-to-Hydrogen Efficiency of Rh-Doped SrTiO3 Photocatalysts. ACS Nano. 17(10). 9405–9414. 21 indexed citations
11.
Yamaguchi, Yuichi, et al.. (2022). Powder-Based Cu 3 VS 4 Photocathode Prepared by Particle-Transfer Method for Water Splitting Using the Whole Range of Visible Light. ECS Journal of Solid State Science and Technology. 11(6). 63002–63002. 7 indexed citations
12.
Bai, Yang, Alexander J. Cowan, Catherine M. Aitchison, et al.. (2020). Photocatalyst Z-scheme system composed of a linear conjugated polymer and BiVO 4 for overall water splitting under visible light. Journal of Materials Chemistry A. 8(32). 16283–16290. 63 indexed citations
13.
Xie, Zhirun, Hui Ling Tan, Xiaoming Wen, et al.. (2019). The Importance of the Interfacial Contact: Is Reduced Graphene Oxide Always an Enhancer in Photo(Electro)Catalytic Water Oxidation?. ACS Applied Materials & Interfaces. 11(26). 23125–23134. 36 indexed citations
14.
Iwase, Akihide, et al.. (2015). 太陽光水素発生に対する光触媒および光電気化学特性へのCuGaS 2 のCuサイトにおけるAg(I)置換の効果. Journal of Materials Chemistry A. 3(43). 21815–21823. 1 indexed citations
15.
Takanabe, Kazuhiro, Xinchen Wang, Kazuhiko Maeda, et al.. (2009). Enhancement of photocatalytic activity of zinc-germanium oxynitride solid solution for overall water splitting under visible irradiation. Dalton Transactions. 10055–10055. 38 indexed citations
16.
Iwase, Akihide, Hideki Kato, & Akihiko Kudo. (2009). The Effect of Alkaline Earth Metal Ion Dopants on Photocatalytic Water Splitting by NaTaO3 Powder. ChemSusChem. 2(9). 873–877. 95 indexed citations
17.
Zhang, Yan, et al.. (2008). Preparation of BiVO4-MCM-41 composite catalyst and its photocatalytic activity for degradation of methylene blue. CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION). 29(7). 624–628. 4 indexed citations
18.
Niishiro, Ryo, Hideki Kato, & Akihiko Kudo. (2005). Nickel and either tantalum or niobium-codoped TiO2 and SrTiO3 photocatalysts with visible-light response for H2 or O2 evolution from aqueous solutions. Physical Chemistry Chemical Physics. 7(10). 2241–2241. 262 indexed citations
19.
Kudo, Akihiko, Kazunari Domen, Ken‐ichi Maruya, & Takaharu Onishi. (1987). Photocatalytic activities of TiO2 loaded with NiO. Chemical Physics Letters. 133(6). 517–519. 127 indexed citations
20.
Domen, Kazunari, et al.. (1986). Mechanism of photocatalytic decomposition of water into H/sub 2/ and O/sub 2/ over NiO-SrTiO/sub 3/. Journal of Catalysis. 5 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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