Kouki Oka

1.2k total citations
86 papers, 902 citations indexed

About

Kouki Oka is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Inorganic Chemistry. According to data from OpenAlex, Kouki Oka has authored 86 papers receiving a total of 902 indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Materials Chemistry, 32 papers in Electrical and Electronic Engineering and 23 papers in Inorganic Chemistry. Recurrent topics in Kouki Oka's work include Metal-Organic Frameworks: Synthesis and Applications (22 papers), Covalent Organic Framework Applications (18 papers) and Conducting polymers and applications (17 papers). Kouki Oka is often cited by papers focused on Metal-Organic Frameworks: Synthesis and Applications (22 papers), Covalent Organic Framework Applications (18 papers) and Conducting polymers and applications (17 papers). Kouki Oka collaborates with scholars based in Japan, Sweden and Australia. Kouki Oka's co-authors include Hiroyuki Nishide, Bjørn Winther‐Jensen, Kenichi Oyaizu, Norimitsu Tohnai, Takeo Suga, Rikard Emanuelsson, Maria Strømme, Ryo Kato, Martin Sjödin and Shuhei Furukawa and has published in prestigious journals such as Journal of the American Chemical Society, Journal of Biological Chemistry and Angewandte Chemie International Edition.

In The Last Decade

Kouki Oka

76 papers receiving 895 citations

Peers

Kouki Oka
Xi Zhao China
Masashi Ito Japan
Florian Lombeck Germany
Yunchang Liang Germany
Matthew Bidwell United Kingdom
Rathindranath Biswas India
Amandine Guiet France
Liangping Xiao China
Woo Je Chang United States
Xi Zhao China
Kouki Oka
Citations per year, relative to Kouki Oka Kouki Oka (= 1×) peers Xi Zhao

Countries citing papers authored by Kouki Oka

Since Specialization
Citations

This map shows the geographic impact of Kouki Oka'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 Kouki Oka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kouki Oka more than expected).

Fields of papers citing papers by Kouki Oka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kouki Oka. 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 Kouki Oka. The network helps show where Kouki Oka may publish in the future.

Co-authorship network of co-authors of Kouki Oka

This figure shows the co-authorship network connecting the top 25 collaborators of Kouki Oka. A scholar is included among the top collaborators of Kouki Oka 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 Kouki Oka. Kouki Oka 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.
Ichimura, Takumi, Hitoshi Kasai, & Kouki Oka. (2025). Hydrogen gas production & storage cycle with organic hydrides based on hydrogen fixing and release. 3. 100028–100028.
2.
Serizawa, Nobuyuki, et al.. (2025). Water-resistant redox-active metal–organic framework. Nature Communications. 16(1). 10798–10798.
3.
4.
Kasai, Hitoshi, et al.. (2025). Fluorinated metal–organic frameworks: hydrophobic nanospaces with high fluorine density and proton conductivity. Nanoscale. 17(16). 9920–9925. 1 indexed citations
5.
Oka, Kouki & Hitoshi Kasai. (2025). Recyclable Organic Redox Molecules for Sustainable Batteries. ChemSusChem. 18(11). e202402707–e202402707. 1 indexed citations
6.
Oka, Kouki, et al.. (2024). Highly Fluorinated Nanospace in Porous Organic Salts with High Water Stability/Capability and Proton Conductivity. Angewandte Chemie. 136(37). 1 indexed citations
7.
Imai, Tomohiro, Hitoshi Kasai, Kouki Oka, et al.. (2024). An ionic liquid containing arsonium cation. Chemical Communications. 60(95). 14022–14025. 1 indexed citations
8.
Oka, Kouki, et al.. (2024). Developing porous electrocatalysts to minimize overpotential for the oxygen evolution reaction. Chemical Communications. 61(8). 1533–1558. 7 indexed citations
9.
Oka, Kouki, et al.. (2024). Network topology diversification of porous organic salts. Chemical Science. 15(21). 8008–8018. 3 indexed citations
10.
Åhlén, Michelle, Haruka Yoshino, Hitoshi Miyasaka, et al.. (2024). Unlocking the Charge‐Storage Potential of a Phenanthraquinone‐based Two‐Dimensional Covalent Organic Framework (2D COF). ChemPlusChem. 89(9). e202400184–e202400184.
11.
Ogawa, Kenta, Kouki Oka, Norimitsu Tohnai, et al.. (2023). Cation Recognition by Dibenzoarsacrowns. Asian Journal of Organic Chemistry. 12(12).
12.
13.
Oka, Kouki, et al.. (2023). The introduction of a base component to porous organic salts and their CO2 storage capability. CrystEngComm. 25(15). 2321–2325. 6 indexed citations
14.
Oka, Kouki, et al.. (2023). Accelerating the dehydrogenation reaction of alcohols by introducing them into poly(allylamine). Polymer Chemistry. 14(21). 2588–2591. 4 indexed citations
15.
16.
Oka, Kouki, et al.. (2023). All‐Solid‐State Rechargeable Air Batteries Using Dihydroxybenzoquinone and Its Polymer as the Negative Electrode. Angewandte Chemie International Edition. 62(30). e202304366–e202304366. 11 indexed citations
17.
Oka, Kouki, et al.. (2023). Redox-site accessibility of composites containing a 2D redox-active covalent organic framework: from optimization to application. Journal of Materials Chemistry A. 11(26). 13923–13931. 6 indexed citations
18.
Oka, Kouki, Norimitsu Tohnai, Satoshi Minakata, et al.. (2022). 3,11‐Diaminodibenzo[a,j]phenazine: Synthesis, Properties, and Applications to Tröger's Base‐Forming Ladder Polymerization. Chemistry - A European Journal. 29(14). e202202702–e202202702. 2 indexed citations
19.
Oka, Kouki, Hiroyuki Nishide, & Bjørn Winther‐Jensen. (2021). H2O2 Production: Copolymer of Phenylene and Thiophene toward a Visible‐Light‐Driven Photocatalytic Oxygen Reduction to Hydrogen Peroxide (Adv. Sci. 5/2021). Advanced Science. 8(5). 4 indexed citations
20.
Oka, Kouki, et al.. (2019). Long-lived water clusters in hydrophobic solvents investigated by standard NMR techniques. Scientific Reports. 9(1). 223–223. 36 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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