World's Best Scientists 2026 revealed!
Hideo Ohkita

Hideo Ohkita

D-Index & Metrics

Chemistry

D-Index
47
Citations
11153
World Ranking
15489
National Ranking
1212

Overview

Hideo Ohkita is affiliated with Kyoto University in Japan and has contributed extensively to the fields of Engineering and Materials Science, with a marked focus on Electrical and Electronic Engineering and Polymers and Plastics. Their research also spans Materials Chemistry, Surfaces, Coatings and Films, and Biomedical Engineering.

The scientist's primary research topics include Organic Electronics and Photovoltaics, Conducting Polymers and Applications, Perovskite Materials and Applications, Organic Light-Emitting Diodes, Quantum Dots Synthesis and Properties, Thin-Film Transistor Technologies, and Surface Modification and Superhydrophobicity.

Hideo Ohkita has published in various scientific venues, with the most frequent being:

  • ACS Applied Materials & Interfaces
  • Chemical Science
  • Communications Materials
  • Surfaces and Interfaces
  • Polymer Journal

The scientist has collaborated repeatedly with several coauthors, including:

  • Hyung Do Kim
  • Itaru Osaka
  • Yasunari Tamai
  • Masahiko Saito
  • Yanbin Wang

Some notable papers authored by or involving Hideo Ohkita include:

  • "Sn(IV)-free tin perovskite films realized by in situ Sn(0) nanoparticle treatment of the precursor solution," 2020, Nature Communications
  • "Cascaded energy landscape as a key driver for slow yet efficient charge separation with small energy offset in organic solar cells," 2022, Energy & Environmental Science
  • "Elucidating Mechanisms behind Ambient Storage-Induced Efficiency Improvements in Perovskite Solar Cells," 2021, ACS Energy Letters
  • "Impact of Noncovalent Sulfur-Fluorine Interaction Position on Properties, Structures, and Photovoltaic Performance in Naphthobisthiadiazole-Based Semiconducting Polymers," 2020, Advanced Energy Materials
  • "Efficient light-harvesting, energy migration, and charge transfer by nanographene-based nonfullerene small-molecule acceptors exhibiting unusually long excited-state lifetime in the film state," 2020, Chemical Science

Best Publications

  • Charge carrier formation in polythiophene/fullerene blend films studied by transient absorption spectroscopy.

    Hideo Ohkita;Steffan Cook;Yeni Astuti;Warren Duffy

  • Charge generation and recombination dynamics in poly(3-hexylthiophene)/fullerene blend films with different regioregularities and morphologies.

    Jiamo Guo;Hideo Ohkita;Hiroaki Benten;Shinzaburo Ito

  • Near-IR femtosecond transient absorption spectroscopy of ultrafast polaron and triplet exciton formation in polythiophene films with different regioregularities.

    Jiamo Guo;Hideo Ohkita;Hiroaki Benten;Shinzaburo Ito

  • High-efficiency polymer solar cells with small photon energy loss.

    Kazuaki Kawashima;Yasunari Tamai;Hideo Ohkita;Hideo Ohkita;Itaru Osaka

  • Highly efficient charge-carrier generation and collection in polymer/polymer blend solar cells with a power conversion efficiency of 5.7%

    Daisuke Mori;Hiroaki Benten;Izumi Okada;Hideo Ohkita;Hideo Ohkita

  • Exciton Diffusion in Conjugated Polymers: From Fundamental Understanding to Improvement in Photovoltaic Conversion Efficiency

    Yasunari Tamai;Hideo Ohkita;Hideo Ohkita;Hiroaki Benten;Shinzaburo Ito

  • Implication of Fluorine Atom on Electronic Properties, Ordering Structures, and Photovoltaic Performance in Naphthobisthiadiazole-Based Semiconducting Polymers

    Kazuaki Kawashima;Kazuaki Kawashima;Tomohiro Fukuhara;Yousuke Suda;Yasuhito Suzuki

  • Photovoltaic Performance of Perovskite Solar Cells with Different Grain Sizes

    Hyung Do Kim;Hideo Ohkita;Hideo Ohkita;Hiroaki Benten;Shinzaburo Ito

  • Recent research progress of polymer donor/polymer acceptor blend solar cells

    Hiroaki Benten;Daisuke Mori;Hideo Ohkita;Shinzaburo Ito

  • Improvement of the light-harvesting efficiency in polymer/fullerene bulk heterojunction solar cells by interfacial dye modification.

    Satoshi Honda;Takahiro Nogami;Hideo Ohkita;Hiroaki Benten

  • Selective Dye Loading at the Heterojunction in Polymer/Fullerene Solar Cells

    Satoshi Honda;Hideo Ohkita;Hiroaki Benten;Shinzaburo Ito

  • Sn(IV)-free tin perovskite films realized by in situ Sn(0) nanoparticle treatment of the precursor solution.

    Tomoya Nakamura;Shinya Yakumaru;Minh Anh Truong;Kyusun Kim

  • Low‐Bandgap Donor/Acceptor Polymer Blend Solar Cells with Efficiency Exceeding 4%

    Daisuke Mori;Hiroaki Benten;Izumi Okada;Hideo Ohkita

  • High-performance ternary blend all-polymer solar cells with complementary absorption bands from visible to near-infrared wavelengths

    Hiroaki Benten;Takaya Nishida;Daisuke Mori;Huajun Xu

  • A photophysical study of PCBM thin films

    Steffan Cook;Hideo Ohkita;Hideo Ohkita;Youngkyoo Kim;Youngkyoo Kim;Jessica J. Benson-Smith

  • Polymer/polymer blend solar cells improved by using high-molecular-weight fluorene-based copolymer as electron acceptor.

    Daisuke Mori;Hiroaki Benten;Hideo Ohkita;Hideo Ohkita;Shinzaburo Ito

  • Transient absorption spectroscopy of polymer-based thin-film solar cells

    Hideo Ohkita;Hideo Ohkita;Shinzaburo Ito

  • Light-Harvesting Mechanism in Polymer/Fullerene/Dye Ternary Blends Studied by Transient Absorption Spectroscopy

    Satoshi Honda;Seiichirou Yokoya;Hideo Ohkita;Hideo Ohkita;Hiroaki Benten

  • Multi-colored dye sensitization of polymer/fullerene bulk heterojunction solar cells

    Satoshi Honda;Hideo Ohkita;Hideo Ohkita;Hiroaki Benten;Shinzaburo Ito

  • Surface segregation at the aluminum interface of poly(3-hexylthiophene)/ fullerene solar cells

    Akiko Orimo;Kohji Masuda;Satoshi Honda;Hiroaki Benten

  • Bimodal polarons and hole transport in poly(3-hexylthiophene):fullerene blend films.

    Jiamo Guo;Hideo Ohkita;Seiichirou Yokoya;Hiroaki Benten

Frequent Co-Authors

Shinzaburo Ito
Shinzaburo Ito Kyoto University
Itaru Osaka
Itaru Osaka Hiroshima University
Anita Ho-Baillie
Anita Ho-Baillie University of Sydney
Atsushi Wakamiya
Atsushi Wakamiya Kyoto University
Shujuan Huang
Shujuan Huang Macquarie University
Kazuo Takimiya
Kazuo Takimiya Tohoku University
Kazuo Tanaka
Kazuo Tanaka Kyoto University
Akinori Saeki
Akinori Saeki Osaka University
Tomokazu Umeyama
Tomokazu Umeyama Kyoto University
Martin A. Green
Martin A. Green University of New South Wales

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