Itaru Osaka

Itaru Osaka publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Itaru Osaka sits on this spectrum.

Itaru Osaka D-index placement in Materials Science in 2026

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

Overview

Best Publications

• Thienoacene‐Based Organic Semiconductors

  Kazuo Takimiya;Shoji Shinamura;Itaru Osaka;Eigo Miyazaki

  1058
  Citations

• Advances in molecular design and synthesis of regioregular polythiophenes.

  Itaru Osaka;Richard D. McCullough

  923
  Citations

• Efficient inverted polymer solar cells employing favourable molecular orientation

  Varun Vohra;Varun Vohra;Kazuaki Kawashima;Kazuaki Kawashima;Takeshi Kakara;Tomoyuki Koganezawa

  892
  Citations

• Organic semiconductors based on [1]benzothieno[3,2-b][1]benzothiophene substructure.

  Kazuo Takimiya;Itaru Osaka;Takamichi Mori;Takamichi Mori;Masahiro Nakano

  540
  Citations

• Stretchable and waterproof elastomer-coated organic photovoltaics for washable electronic textile applications

  Hiroaki Jinno;Hiroaki Jinno;Kenjiro Fukuda;Kenjiro Fukuda;Xiaomin Xu;Sungjun Park

  465
  Citations

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

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

  423
  Citations

• Synthesis, Characterization, and Transistor and Solar Cell Applications of a Naphthobisthiadiazole-Based Semiconducting Polymer

  Itaru Osaka;Masafumi Shimawaki;Hiroki Mori;Iori Doi

  383
  Citations

• Consecutive thiophene-annulation approach to π-extended thienoacene-based organic semiconductors with [1]benzothieno[3,2-b][1]benzothiophene (BTBT) substructure.

  Takamichi Mori;Takeshi Nishimura;Tatsuya Yamamoto;Iori Doi

  368
  Citations

• 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

  357
  Citations

• Novel Thiophene‐Thiazolothiazole Copolymers for Organic Field‐Effect Transistors

  Itaru Osaka;Geneviève Sauve;Rui Zhang;Tomasz Kowalewski

  339
  Citations

• Naphthodithiophene–Naphthobisthiadiazole Copolymers for Solar Cells: Alkylation Drives the Polymer Backbone Flat and Promotes Efficiency

  Itaru Osaka;Takeshi Kakara;Noriko Takemura;Tomoyuki Koganezawa

  327
  Citations

• Linear- and Angular-Shaped Naphthodithiophenes: Selective Synthesis, Properties, and Application to Organic Field-Effect Transistors

  Shoji Shinamura;Itaru Osaka;Eigo Miyazaki;Akiko Nakao

  317
  Citations

• High-Lamellar Ordering and Amorphous-Like π-Network in Short-Chain Thiazolothiazole−Thiophene Copolymers Lead to High Mobilities

  Itaru Osaka;Rui Zhang;Geneviève Sauvé;Detlef-M. Smilgies

  316
  Citations

• Thiophene–Thiazolothiazole Copolymers: Significant Impact of Side Chain Composition on Backbone Orientation and Solar Cell Performances

  Itaru Osaka;Itaru Osaka;Masahiko Saito;Tomoyuki Koganezawa;Kazuo Takimiya;Kazuo Takimiya

  315
  Citations

• Dianthra[2,3-b:2′,3′-f]thieno[3,2-b]thiophene (DATT): Synthesis, Characterization, and FET Characteristics of New π-Extended Heteroarene with Eight Fused Aromatic Rings

  Kazuki Niimi;Shoji Shinamura;Itaru Osaka;Eigo Miyazaki

  289
  Citations

• π-building blocks for organic electronics: Revaluation of "inductive" and "resonance" Effects of π-electron deficient units

  Kazuo Takimiya;Kazuo Takimiya;Itaru Osaka;Itaru Osaka;Masahiro Nakano

  260
  Citations

• Naphthodithiophenediimide (NDTI): Synthesis, Structure, and Applications

  Yuta Fukutomi;Masahiro Nakano;Masahiro Nakano;Jian Yong Hu;Itaru Osaka;Itaru Osaka

  252
  Citations

• Backbone orientation in semiconducting polymers

  Itaru Osaka;Kazuo Takimiya

  245
  Citations

• Helically π-Stacked Thiophene-Based Copolymers with Circularly Polarized Fluorescence: High Dissymmetry Factors Enhanced by Self-Ordering in Chiral Nematic Liquid Crystal Phase

  Kazuyoshi Watanabe;Itaru Osaka;Shinichi Yorozuya;Kazuo Akagi

  234
  Citations

• Drastic Change of Molecular Orientation in a Thiazolothiazole Copolymer by Molecular-Weight Control and Blending with PC61BM Leads to High Efficiencies in Solar Cells

  Itaru Osaka;Itaru Osaka;Masahiko Saito;Hiroki Mori;Tomoyuki Koganezawa

  233
  Citations

• Impact of Isomeric Structures on Transistor Performances in Naphthodithiophene Semiconducting Polymers

  Itaru Osaka;Toru Abe;Shoji Shinamura;Kazuo Takimiya

  228
  Citations

• Erratum: Synthesis, characterization, and transistor and solar cell applications of a naphthobisthiadiazole-based semiconducting polymer (Journals American Chemical Society (2012) 134 (3498-3507) DOI: 10.1021/ja210687r)

  Itaru Osaka;Masafumi Shimawaki;Hiroki Mori;Iori Doi

  10
  Citations