ITARU OSAKA

Last Updated :2021/05/10

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
Web Site
E-mail
iosakahiroshima-u.ac.jp
Self-introduction
My research interest includes molecular design and synthesis of functional conjugated polymers, self-assembly, and printable organic thin-film devices such as field-effect transistors and solar cells.

Basic Information

Major Professional Backgrounds

  • 2006/02, 2009/03, Carnegie Mellon University, Department of Chemistry, Postdoctoral Researcher
  • 2009/04/01, 2013/03/31, Hiroshima University, Graduate School of Engineering, Assistant Professor
  • 2013/04, 2016/09, Institute of Physical and Chemical Research
  • 2016/10/01, 2020/03/31, Hiroshima University, Institute of Engineering, Professor
  • 2002/04, 2006/01, Fujifilm, Research Scientist

Educational Backgrounds

  • University of Tsukuba, Japan, 1993/04, 1997/03
  • University of Tsukuba, Japan, 1997/04, 2002/03

Academic Degrees

  • Ph. D, University of Tsukuba

Affiliated Academic Societies

  • The Chemical Society of Japan, The Society of Polymer Science Japan, Japan Society of Applied Physics, The Society of Photopolymer Science and Technology, American Chemical Society, Materials Research Society

Educational Activity

Course in Charge

  1. 2021, Undergraduate Education, 1Term, Basic Organic Chemistry II
  2. 2021, Undergraduate Education, 2Term, Introduction to Fundamental Industry
  3. 2021, Undergraduate Education, 1Term, Organometallic Chemistry
  4. 2021, Graduate Education (Master's Program) , First Semester, Directed Study in Applied Chemistry IIB
  5. 2021, Graduate Education (Master's Program) , First Semester, Seminar in Applied Chemistry IIB
  6. 2021, Graduate Education (Master's Program) , 4Term, Special Exercises on Applied Chemistry B
  7. 2021, Graduate Education (Master's Program) , 1Term, Special Exercises on Applied Chemistry A
  8. 2021, Graduate Education (Master's Program) , 2Term, Special Exercises on Applied Chemistry A
  9. 2021, Graduate Education (Master's Program) , 3Term, Special Exercises on Applied Chemistry B
  10. 2021, Graduate Education (Master's Program) , Academic Year, Special Study on Applied Chemistry
  11. 2021, Graduate Education (Master's Program) , 2Term, Polymer Materials Chemistry
  12. 2021, Graduate Education (Master's Program) , 3Term, Polymer Materials Chemistry
  13. 2021, Graduate Education (Doctoral Program) , Academic Year, Special Study on Applied Chemistry
  14. 2021, Graduate Education (Master's Program) , 1Term, Sustainability Materials Science

Research Activities

Academic Papers

  1. Dithiazolylthienothiophene Bisimide: A Novel Electron-Deficient Building Unit for N-Type Semiconducting Polymers, ACS APPLIED MATERIALS & INTERFACES, 11(26), 23410-23416, 20190604
  2. A Thiazolothiazole-Based Semiconducting Polymer with Well-Balanced Hole and Electron Mobilities, APPLIED SCIENCES, 9(3), 20190129
  3. Ester-Functionalized Naphthobispyrazine as an Acceptor Building Unit for Semiconducting Polymers: Synthesis, Properties, and Photovoltaic Performance, MACROMOLECULES, 52(10), 3909-3917, 20190514
  4. Understanding Comparable Charge Transport Between Edge-on and Face-on Polymers in a Thiazolothiazole Polymer System, ACS APPLIED POLYMER MATERIALS, 1(6), 1257-1262, 20190429
  5. Impact of side chain placement on thermal stability of solar cells in thiophene-thiazolothiazole polymers, JOURNAL OF MATERIALS CHEMISTRY C, 6(14), 3668-3674, 20180414
  6. Correlation between Distribution of Polymer Orientation and Cell Structure in Organic Photovoltaics, ACS APPLIED MATERIALS & INTERFACES, 10(38), 32420-32425, 20180917
  7. Synthesis and Characterization of an Alkoxythiazole-thiazolothiazole Semiconducting Polymer for Organic Solar Cells, ELECTROCHEMISTRY, 85(5), 266-271, 2017
  8. ★, Naphthobischalcogenadiazole Conjugated Polymers: Emerging Materials for Organic Electronics, ADVANCED MATERIALS, 29(25), 1605218, 20170705
  9. Naphthobispyrazine as an Electron-deficient Building Unit for pi-Conjugated Polymers: Efficient Synthesis and Polymer Properties, CHEMISTRY LETTERS, 46(8), 1193-1196, 20170530
  10. ★, Implication of Fluorine Atom on Electronic Properties, Ordering Structures, and Photovoltaic Performance in Naphthobisthiadiazole- Based Semiconducting Polymers, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 138, 10265-10275, 2016
  11. ★, Efficient inverted polymer solar cells employing favourable molecular orientation, NATURE PHOTONICS, 9(6), 403, 2015
  12. ★, High-efficiency polymer solar cells with small photon energy loss, NATURE COMMUNICATIONS, 6, 10085, 2015
  13. ★, Thiophene–Thiazolothiazole Copolymers: Significant Impact of Side Chain Composition on Backbone Orientation and Solar Cell Performances, ADVANCED MATERIALS, 26, 331-338, 2014
  14. ★, Naphthodithiophene-Naphthobisthiadiazole Copolymers for Solar Cells: Alkylation Drives the Polymer Backbone Flat and Promotes Efficiency, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 135, 8834-8837, 2013
  15. ★, Drastic Change of Molecular Orientation in a Thiazolothiazole Copolymer by Molecular-Weight Control and Blending with PC61BM Leads to High Efficiencies in Solar Cells, ADVANCED MATERIALS, 24, 425-430, 2012
  16. ★, Synthesis, Characterization, and Transistor and Solar Cell Applications of a Naphthobisthiadiazole-Based Semiconducting Polymer, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 134, 3498-3507, 2012
  17. ★, Impact of Isomeric Structures on Transistor Performances in Naphthodithiophene Semiconducting Polymers, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 133, 6852-6860, 2011
  18. ★, Advances in molecular design and synthesis of regioregular polythiophenes, ACCOUNTS OF CHEMICAL RESEARCH, 41(9), 1202-1214, 2008
  19. ★, Impact of Noncovalent Sulfur-Fluorine Interaction Position on Properties, Structures, and Photovoltaic Performance in Naphthobisthiadiazole-Based Semiconducting Polymers, ADVANCED ENERGY MATERIALS, 10(7), 202002
  20. Dithiazolylthienothiophene Bisimide-Based pi-Conjugated Polymers: Improved Synthesis and Application to Organic Photovoltaics as P-Type Semiconductor, BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 93(4), 561-567, 202002
  21. Effect of Spacer Length in Naphthobispyrazine-Based pi-Conjugated Polymers on Properties, Thin Film Structures, and Photovoltaic Performances, BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 93(8), 949-957, 202005

Awards

  1. 2013, SPSJ Hitachi Award, Society of Polymer Science Japan, 縮環π電子系縮環π電子系を基盤とする高性能半導体ポリマーの開発

External Funds

Acceptance Results of Competitive Funds

  1. Strategic Basic Research Programs(ALCA), 2016/10/01, 2019/03/31
  2. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2016, 2018