D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Chemistry D-index 68 Citations 11,512 213 World Ranking 3042 National Ranking 200

Overview

What is he best known for?

The fields of study he is best known for:

  • Organic chemistry
  • Catalysis
  • Enzyme

His primary areas of study are Photochemistry, Electron transfer, Photoinduced electron transfer, Flash photolysis and Inorganic chemistry. Kei Ohkubo studies Porphyrin, a branch of Photochemistry. The study incorporates disciplines such as Radical ion, Reaction rate constant, Medicinal chemistry and Electron acceptor in addition to Electron transfer.

His research in Photoinduced electron transfer intersects with topics in Fullerene, Zinc, Benzonitrile, Singlet state and Photoexcitation. His Flash photolysis research incorporates elements of Quenching and Anthracene. His Inorganic chemistry research is multidisciplinary, incorporating elements of Acetonitrile, Metal and Lewis acids and bases.

His most cited work include:

  • Electron-transfer state of 9-mesityl-10-methylacridinium ion with a much longer lifetime and higher energy than that of the natural photosynthetic reaction center. (336 citations)
  • Rational Principles for Modulating Fluorescence Properties of Fluorescein (233 citations)
  • Organic synthetic transformations using organic dyes as photoredox catalysts (232 citations)

What are the main themes of his work throughout his whole career to date?

His primary scientific interests are in Photochemistry, Electron transfer, Photoinduced electron transfer, Porphyrin and Flash photolysis. Kei Ohkubo combines subjects such as Supramolecular chemistry, Photocatalysis, Radical ion, Fullerene and Ultrafast laser spectroscopy with his study of Photochemistry. His work carried out in the field of Electron transfer brings together such families of science as Inorganic chemistry, Marcus theory, Catalysis, Ion and Electron acceptor.

His Inorganic chemistry study combines topics in areas such as Acetonitrile, Medicinal chemistry and Aqueous solution. His Photoinduced electron transfer study combines topics from a wide range of disciplines, such as Benzonitrile, Moiety, Singlet state, Quantum yield and Photoexcitation. His Porphyrin research integrates issues from Crystallography and Molecule.

He most often published in these fields:

  • Photochemistry (89.17%)
  • Electron transfer (50.83%)
  • Photoinduced electron transfer (33.21%)

What were the highlights of his more recent work (between 2015-2021)?

  • Photochemistry (89.17%)
  • Electron transfer (50.83%)
  • Photoinduced electron transfer (33.21%)

In recent papers he was focusing on the following fields of study:

The scientist’s investigation covers issues in Photochemistry, Electron transfer, Photoinduced electron transfer, Reactivity and Inorganic chemistry. The various areas that he examines in his Photochemistry study include Supramolecular chemistry, Ultrafast laser spectroscopy and Moiety. Kei Ohkubo interconnects Radical ion, Fullerene, Fluorescence, Singlet state and Redox in the investigation of issues within Electron transfer.

His Photoinduced electron transfer research is multidisciplinary, relying on both Carboxylate, Marcus theory and Hydrogen bond. His Reactivity research is multidisciplinary, incorporating perspectives in Medicinal chemistry, Nuclear chemistry, DPPH, Reactive oxygen species and Reaction mechanism. The concepts of his Inorganic chemistry study are interwoven with issues in Photocatalysis, Catalysis and Oxide.

Between 2015 and 2021, his most popular works were:

  • Catalytic asymmetric allylation of aldehydes with alkenes through allylic C(sp3)–H functionalization mediated by organophotoredox and chiral chromium hybrid catalysis (39 citations)
  • Effect of Metalation on Porphyrin-Based Bifunctional Agents in Tumor Imaging and Photodynamic Therapy. (24 citations)
  • Electrochemical reduction of cationic [email protected] to neutral [email protected]˙−: isolation and characterisation of endohedral [60]fulleride (22 citations)

In his most recent research, the most cited papers focused on:

  • Organic chemistry
  • Catalysis
  • Enzyme

Kei Ohkubo spends much of his time researching Photochemistry, Electron transfer, Catalysis, Moiety and Photocatalysis. Kei Ohkubo studies Photoinduced electron transfer which is a part of Photochemistry. The Electron transfer study combines topics in areas such as Fluorescence, Chromophore, Singlet state, Intramolecular force and Photoluminescence.

His studies deal with areas such as Combinatorial chemistry and Reactivity as well as Catalysis. His research investigates the connection between Moiety and topics such as Porphyrin that intersect with problems in Adduct, Polyoxometalate, Supramolecular chemistry and Cationic polymerization. His studies in Photocatalysis integrate themes in fields like Heteronuclear molecule and Metal.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Electron-transfer state of 9-mesityl-10-methylacridinium ion with a much longer lifetime and higher energy than that of the natural photosynthetic reaction center.

Shunichi Fukuzumi;Hiroaki Kotani;Kei Ohkubo;Seiji Ogo.
Journal of the American Chemical Society (2004)

518 Citations

Selective photocatalytic reactions with organic photocatalysts

Shunichi Fukuzumi;Shunichi Fukuzumi;Kei Ohkubo.
Chemical Science (2013)

349 Citations

Long-lived charge separation and applications in artificial photosynthesis.

Shunichi Fukuzumi;Kei Ohkubo;Tomoyoshi Suenobu.
Accounts of Chemical Research (2014)

347 Citations

Organic synthetic transformations using organic dyes as photoredox catalysts

Shunichi Fukuzumi;Kei Ohkubo.
Organic and Biomolecular Chemistry (2014)

343 Citations

Rational Principles for Modulating Fluorescence Properties of Fluorescein

Tasuku Ueno;Yasuteru Urano;Ken-Ichi Setsukinai;Hideo Takakusa.
Journal of the American Chemical Society (2004)

320 Citations

Rational design principle for modulating fluorescence properties of fluorescein-based probes by photoinduced electron transfer.

Tetsuo Miura;Yasuteru Urano;Kumi Tanaka;Tetsuo Nagano.
Journal of the American Chemical Society (2003)

318 Citations

Charge separation in a nonfluorescent donor-acceptor dyad derived from boron dipyrromethene dye, leading to photocurrent generation.

Shigeki Hattori;Kei Ohkubo;Yasuteru Urano;Hisato Sunahara.
Journal of Physical Chemistry B (2005)

296 Citations

Production of an Ultra‐Long‐Lived Charge‐Separated State in a Zinc Chlorin–C60 Dyad by One‐Step Photoinduced Electron Transfer

Kei Ohkubo;Hiroaki Kotani;Jianguo Shao;Zhongping Ou.
Angewandte Chemie (2004)

248 Citations

Photocatalytic Oxygenation of Anthracenes and Olefins with Dioxygen via Selective Radical Coupling Using 9-Mesityl-10-methylacridinium Ion as an Effective Electron-Transfer Photocatalyst

Hiroaki Kotani;Kei Ohkubo;Shunichi Fukuzumi.
Journal of the American Chemical Society (2004)

246 Citations

Quantitative Evaluation of Lewis Acidity of Metal Ions Derived from the g Values of ESR Spectra of Superoxide: Metal Ion Complexes in Relation to the Promoting Effects in Electron Transfer Reactions

Shunichi Fukuzumi;Kei Ohkubo.
Chemistry: A European Journal (2000)

224 Citations

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