Last Updated :2023/02/02

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Assistant Professor
My research interest focuses on the rational design and synthesis of semiconducting polymers for organic electronics, such as organic photovoltaics, field-effect transistors, and photocatalyst for water splitting.

Basic Information

Major Professional Backgrounds

  • 2014/01, 2014/03, University of Texas at El Paso (UTEP), Department of Chemistry and Biochemistry, Visiting researcher
  • 2014/04, 2016/03, Japan Society for the Promotion of Science, Research Fellow DC2
  • 2015/04, 2016/03, Massachusetts Institute of Technology (MIT), Department of Chemistry, Postdoctoral Researcher
  • 2016/04, 2016/09, Riken, Center for Emergent Matter Science, Emergent Molecular Function Research Team, Postdoctoral Researcher
  • 2016/10, 2018/03, Hiroshima University, Graduate school of Engineering, Postdoctral Researcher
  • 2018/04, 2020/03, Japan Society for the Promotion of Science, Research Fellow PD
  • 2020/04, Hiroshima University, Graduate School of Advanced Science and Engineering, Assistant Professor

Educational Backgrounds

  • Niihama National College of Technology, 2003/04, 2008/03
  • Hiroshima University, School of Engineering , 2008/04, 2010/03
  • Osaka University, 2010/04, 2012/03
  • Osaka University, Japan, 2012/04, 2015/03

Academic Degrees

  • Master of Engineering, Osaka University
  • Ph.D. in Engineering, Osaka University

Educational Activity

  • [Bachelor Degree Program] School of Engineering : Cluster 3(Applied Chemistry, Biotechnology and Chemical Engineering) : Program of Applied Chemistry
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Applied Chemistry Program
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Smart Innovation Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Applied Chemistry Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Smart Innovation Program

Research Fields

  • Chemistry;Basic chemistry;Organic chemistry
  • Chemistry;Applied chemistry;Functional solid state chemistry
  • Chemistry;Materials chemistry;Polymer / Textile materials
  • Chemistry;Materials chemistry;Organic and hybrid materials
  • Chemistry;Materials chemistry;Device related chemistry
  • Chemistry;Applied chemistry;Energy-related chemistry

Research Keywords

  • Organic electronics, Organic semiconductors, Conjugated polymers, Organicn solar cells, Organic field-effect transistors, photocatalysis for water splitting

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2022, Liberal Arts Education Program1, 2Term, Introduction to Applied Chemistry, Chemical Engineering,and Biotechnology
  2. 2022, Undergraduate Education, First Semester, Chemical Experiments I
  3. 2022, Graduate Education (Master's Program) , 1Term, Special Exercises on Applied Chemistry A
  4. 2022, Graduate Education (Master's Program) , 2Term, Special Exercises on Applied Chemistry A
  5. 2022, Graduate Education (Master's Program) , 3Term, Special Exercises on Applied Chemistry B
  6. 2022, Graduate Education (Master's Program) , 4Term, Special Exercises on Applied Chemistry B
  7. 2022, Graduate Education (Master's Program) , Academic Year, Special Study on Applied Chemistry

Research Activities

Academic Papers

  1. ★, Ester-functionalized quinoxaline-based polymers for application in organic photovoltaics, MATERIALS CHEMISTRY AND PHYSICS, 287, 20220801
  2. Naphthobisthiadiazole-Based pi-Conjugated Polymers for Nonfullerene Solar Cells: Suppressing Intermolecular Interaction Improves Photovoltaic Performance, ACS APPLIED MATERIALS & INTERFACES, 14(12), 14400-14409, 20220322
  3. ★, Naphthobispyrazine Bisimide: A Strong Acceptor Unit for Conjugated Polymers Enabling Highly Coplanar Backbone, Short pi - pi Stacking, and High Electron Transport, CHEMISTRY OF MATERIALS, 34(6), 2717-2729, 20220301
  4. Pronounced Backbone Coplanarization by p-Extension in a Sterically Hindered Conjugated Polymer System Leads to Higher Photovoltaic Performance in Non-Fullerene Solar Cells, ACS APPLIED MATERIALS & INTERFACES, 13(47), 56420-56429, 20211116
  5. ★, Extended pi-Electron Delocalization in Quinoid-Based Conjugated Polymers Boosts Intrachain Charge Carrier Transport, CHEMISTRY OF MATERIALS, 33(21), 8183-8193, 20211021
  6. Effect of Ester Side Chains on Photovoltaic Performance in Thiophene-Thiazolothiazole Copolymers, BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 94(8), 2019-2027, 20210619
  7. Bithiazole Dicarboxylate Ester: An Easily Accessible Electron-Deficient Building Unit for pi-Conjugated Polymers Enabling Electron Transport, MACROMOLECULES, 54(7), 3489-3497, 20210324
  8. ★, N-type Semiconducting Polymers Based on Dicyano Naphthobisthiadiazole: High Electron Mobility with Unfavorable Backbone Twist, CHEMISTRY OF MATERIALS, 33(6), 2218-2228, 20210309
  9. Controlled steric selectivity in molecular doping towards closest-packed supramolecular conductors, COMMUNICATIONS MATERIALS, 1(1), 20201104
  10. ★, Small-bandgap quinoid-based p-conjugated polymers, JOURNAL OF MATERIALS CHEMISTRY C, 8(41), 14262-14288, 20200710
  11. 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, 20200501
  12. 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, 20200215
  13. Dithiazolylthienothiophene Bisimide: A Novel Electron-Deficient Building Unit for N-Type Semiconducting Polymers, ACS Applied Material Interfaces, 11(26), 23410-23416, 20190604
  14. ★, Ester-Functionalized Naphthobispyrazine as an Acceptor Building Unit for Semiconducting Polymers: Synthesis, Properties, and Photovoltaic Performance, Macromolecules, 52(10), 3909-3917, 20190514
  15. ★, Selective Synthesis and Properties of Electron-Deficient Hybrid Naphthalene-Based pi-Conjugated Systems, Chemistry A European Journal, 24(72), 19228-19235, 20181220
  16. ★, Naphthobispyrazine as an Electron-deficient Building Unit for pi-Conjugated Polymers: Efficient Synthesis and Polymer Properties, Chemistry Letters, 46(8), 1193-1196, 20170530
  17. Cyclobuteno[60]fullerenes as Efficient n-Type Organic Semiconductors, Chemistry A European Journal, 22(38), 13627-13631, 20160912
  18. Hetero Bis-Addition of Spiro-Acetalized or Cyclohexanone Ring to 58pi Fullerene Impacts Solubility and Mobility Balance in Polymer Solar Cells, ACS Applied Material Interfaces, 7(23), 12894-12902, 20150717
  19. Stereochemistry of Spiro-Acetalized [60]Fullerenes: How the Exo and Endo Stereoisomers Influence Organic Solar Cell Performance, ACS Applied Material Interfaces, 7(16), 8915-8922, 20150409
  20. Highly Ordered n/p‑Co-assembled Materials with Remarkable Charge Mobilities, Journal of the American Chemical Society, 137(2), 893-897, 20141221
  21. Spiro-1,3-dioxolanofullerenes with Low-lying LUMO Level for Organic Solar Cells, Chemistry Letters, 44(3), 282-284, 20141129
  22. New efficient (thio)acetalized fullerene monoadducts for organic solar cells: characterization based on solubility, mobility balance, and dark current, Journal of Materials Chemistry A, 3, 1152-1157, 20141111
  23. Dramatic Mechanistic Change in Acid-Catalyzed Arylation of Azafulleroids Depending on their Ambident N/C Basicity: Formation of Cyclopentene Centered Pentakisadduct, Chemistry An Asian Journal, 9(11), 3084-3088, 20140909
  24. Exploring Photovoltaic Feasibility of Pentaaryl [60]Fullerene in Bulk Heterojunction Architecture, Journal of Photopolymer Science and Technology, 27(5), 553-556, 20140515
  25. Synthesis and characterization of new acetalized [60]fullerenes, Tetrahedron Letters, 54(27), 3510-3513, 20130429
  26. Facile and Exclusive Formation of Aziridinofullerenes by Acid-catalyzed Denitrogenation of Triazolinofullerenes, Organic Letters, 14(23), 6040-6043, 20121024
  27. First kinetic evidence for the CH/pi and pi/pi solute–solvent interaction of C60 in the Diels–Alder reaction with cyclohexadiene, Organic Biomolecule Chemistry, 10, 1730-1734, 20111130
  28. Thermal [2 + 2] Cycloaddition of Morpholinoenamines with C60 via a Single Electron Transfer, Organic Letters, 13(16), 4244-4247, 20110721

Invited Lecture, Oral Presentation, Poster Presentation

  1. Development of a semiconducting polymer that realizes low voltage loss and high charge generation efficiency in non-fullerene organic photovoltaic cells, Tsubasa Mikie, Shota Suruga, Tomokazu Morioku, Yuuki Sato, Takumi Ishikawa, Hyung Do Kim, Hideo Ohkita, Itaru Osaka, 2022/06/28, Without Invitation, Japanese
  2. A new pi-conjugated polymer that realizes low voltage loss and high photocurrent in non-fullerene solar cells, 2022/03/24, Without Invitation, Japanese
  3. Dithienonaphothobisthiadiazole-Based pi-Conjugated Polymers for High-Efficiency Organic Solar Cells, Tsubasa Mikie, 2021 Materials Research Society-Taiwan International Conference (2021 MRSTIC), 2021/11/13, With Invitation, English
  4. A novel semiconducting polymer based on dithienonaphthobisthiadiazole that enables a high fill factor of 0.8 with thick organic solar cells, Tsubasa Mikie, and Itaru Osaka, FSE 2nd event, 2021/06/16, Without Invitation, English
  5. Thick-Film Polymer Solar cells with Excellent Fill Factor, Tsubasa Mikie, and Itaru Osaka, The 38th International Conference of Photopolymer Science and Technology (38th ICPST), 2021/06/15, Without Invitation, English
  6. Impact of Isomeric Structure on Electronic Structure and Charge Transport Properties in Bithiophenedione-Based pi-Conjugated Polymers, Tsubasa Mikie, Aiko Fukazawa, Shigehiro Yamaguchi, Itaru Osaka, 14th International Symposium on Functional pi-Electron Systems, 2019/06/04, Without Invitation, English
  7. Impact of isomeric structure on electronic and charge transport properties in bithiophenedione-based semiconducting polymers, Tsubasa Mikie, Aiko Fukazawa, Shigehiro Yamaguchi, Itaru Osaka, The 12th SPSJ International Polymer Conference (IPC 2018), 2018/12/07, Without Invitation, English
  8. Development of hybrid naphthalene-based nitrogen-containing electron-deficient pi-conjugated systems for organic semiconductors, Tsubasa Mikie, Itaru Osaka, The International Conference on Science and Technology of Synthetic Metals 2018 (ICSM 2018), 2018/07/03, Without Invitation, English
  9. Synthesis and properties of naphthobispyrazine-based semiconducting polymers, Tsubasa Mikie, Itaru Osaka, 2018/05/23, Without Invitation, English
  10. Naphthobispyrazine as A Weak Electron-Accepting Building Unit for Medium-Bandgap Polymers, Tsubasa Mikie, Itaru Osaka, 9th International Conference on Molecular Electronics and Bioelectronics (M&BE9), 2017/06/21, Without Invitation, English
  11. Selective Synthesis and Properties of Hybrid Naphthalene-based Nitrogen Containing Electron Deficient pi-system, Tsubasa Mikie, Itaru Osaka, 2017/03/17, Without Invitation, English

External Funds

Acceptance Results of Competitive Funds

  1. 2022
  2. 2022
  3. KAKEN, 2022, 2023
  4. 2021, 2022
  5. KAKENHI(Grant-in-Aid for Research Activity Start-up), 2020, 2021
  6. 2018, 2019
  7. 2014, 2015

Social Activities

History as Peer Reviews of Academic Papers

  1. 2022, Materials Chemistry and Physics
  2. 2021, Materials Chemistry and Physics