TSUBASA MIKIE

Last Updated :2025/02/03

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Assistant Professor
E-mail
mikiehiroshima-u.ac.jp
Self-introduction
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. 2024, Liberal Arts Education Program1, 3Term, Experimental Methods and Laboratory Work in Chemistry I
  2. 2024, Liberal Arts Education Program1, 4Term, Experimental Methods and Laboratory Work in Chemistry II
  3. 2024, Undergraduate Education, 4Term, Technical English
  4. 2024, Undergraduate Education, Second Semester, Basic Experiments in Chemistry
  5. 2024, Undergraduate Education, First Semester, Chemical Experiments I
  6. 2024, Undergraduate Education, Year, Graduation Thesis
  7. 2024, Graduate Education (Master's Program) , 1Term, Special Exercises on Applied Chemistry A
  8. 2024, Graduate Education (Master's Program) , 2Term, Special Exercises on Applied Chemistry A
  9. 2024, Graduate Education (Master's Program) , 3Term, Special Exercises on Applied Chemistry B
  10. 2024, Graduate Education (Master's Program) , 4Term, Special Exercises on Applied Chemistry B
  11. 2024, Graduate Education (Master's Program) , Academic Year, Special Study on Applied Chemistry

Research Activities

Academic Papers

  1. Synthesis of indano [60] fullerene thioketone and its application in organic solar cells, Beilstein Journal of Organic Chemistry, 20, 1270-1277, 20240531
    Link to Paper Search Results by DOI
  2. ★, Dithienonaphthobisthiadiazole synthesized by thienannulation of electron-de cient rings: an acceptor building unit for high-performance pi-conjugated polymers, Chemical Science, 15, 19991-20001, 20241118
    Link to Paper Search Results by DOI
  3. ★, A highly crystalline face-on pi-conjugated polymer based on alkoxythiophene-flanked benzobisthiazole for organic photovoltaics, POLYMER JOURNAL, 56(11), 1051-1059, 202411
    Link to Paper Search Results by DOI
  4. Efficient Derivatization of a Thienobenzobisthiazole-Based π-Conjugated Polymer Through Late-Stage Functionalization Towards High-Efficiency Organic Photovoltaic Cells, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 63(47), 20241118
    Link to Paper Search Results by DOI
  5. Twisted diphenoquinones fused with thiophene rings: thiophene analogs of bianthrone, CHEMICAL COMMUNICATIONS, 60(75), 10410-10413, 20240916
    Link to Paper Search Results by DOI
  6. Manipulating the functionality and structures of π-conjugated polymers utilizing intramolecular noncovalent interactions towards efficient organic photovoltaics, CHEMICAL SCIENCE, 15(17), 6349-6362, 20240501
    Link to Paper Search Results by DOI
  7. Two Isomeric Benzo[d]imidazole-Based Nonfullerene Acceptors for Organic Photovoltaics, ACS APPLIED ENERGY MATERIALS, 7(7), 2946-2954, 20240323
    Link to Paper Search Results by DOI
  8. Bending the Rule: Naphthobisthiadiazole-Based Terpolymers with Both High Solubility and Crystallinity for Organic Photovoltaics, ACS APPLIED POLYMER MATERIALS, 6(5), 2586-2593, 20240221
    Link to Paper Search Results by DOI
  9. Simple π-Conjugated Polymers Based on Bithiazole for Nonfullerene Organic Photovoltaics, ACS APPLIED MATERIALS & INTERFACES, 16(3), 3735-3743, 20240109
    Link to Paper Search Results by DOI
  10. Employment of Alkoxy Sidechains in Semicrystalline Semiconducting Polymers for Ambient-Stable p-Doped Conjugated Polymers, MACROMOLECULES, 57(1), 328-338, 20231214
    Link to Paper Search Results by DOI
  11. Ordered p-conjugated polymer backbone in amorphous blend for high efficiency nonfullerene organic photovoltaics, COMMUNICATIONS MATERIALS, 4(1), 20230921
    Link to Paper Search Results by DOI
  12. Exciton dynamics of a fused ring pi-conjugated nonfullerene molecule based on dithienonaphthobisthiadiazole, JAPANESE JOURNAL OF APPLIED PHYSICS, 62(SK), 20230801
    Link to Paper Search Results by DOI
  13. Naphthobispyrazine bisimide-based semiconducting polymers as electron acceptors for all-polymer photovoltaic cells, POLYMER JOURNAL, 55(4), 443-450, 202304
    Link to Paper Search Results by DOI
  14. Halogen-Free p-Conjugated Polymers Based on Thienobenzobisthiazole for Efficient Nonfullerene Organic Solar Cells: Rational Design for Achieving High Backbone Order and High Solubility, ADVANCED SCIENCE, 10(5), 202302
    Link to Paper Search Results by DOI
  15. ★, Ester-functionalized quinoxaline-based polymers for application in organic photovoltaics, MATERIALS CHEMISTRY AND PHYSICS, 287, 20220801
    Link to Paper Search Results by DOI
  16. Naphthobisthiadiazole-Based pi-Conjugated Polymers for Nonfullerene Solar Cells: Suppressing Intermolecular Interaction Improves Photovoltaic Performance, ACS APPLIED MATERIALS & INTERFACES, 14(12), 14400-14409, 20220322
    Link to Paper Search Results by DOI
  17. ★, 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
    Link to Paper Search Results by DOI
  18. 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
    Link to Paper Search Results by DOI
  19. ★, Extended pi-Electron Delocalization in Quinoid-Based Conjugated Polymers Boosts Intrachain Charge Carrier Transport, CHEMISTRY OF MATERIALS, 33(21), 8183-8193, 20211021
    Link to Paper Search Results by DOI
  20. Effect of Ester Side Chains on Photovoltaic Performance in Thiophene-Thiazolothiazole Copolymers, BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 94(8), 2019-2027, 20210619
    Link to Paper Search Results by DOI
  21. Bithiazole Dicarboxylate Ester: An Easily Accessible Electron-Deficient Building Unit for pi-Conjugated Polymers Enabling Electron Transport, MACROMOLECULES, 54(7), 3489-3497, 20210324
    Link to Paper Search Results by DOI
  22. ★, N-type Semiconducting Polymers Based on Dicyano Naphthobisthiadiazole: High Electron Mobility with Unfavorable Backbone Twist, CHEMISTRY OF MATERIALS, 33(6), 2218-2228, 20210309
    Link to Paper Search Results by DOI
  23. Controlled steric selectivity in molecular doping towards closest-packed supramolecular conductors, COMMUNICATIONS MATERIALS, 1(1), 20201104
    Link to Paper Search Results by DOI
  24. ★, Small-bandgap quinoid-based p-conjugated polymers, JOURNAL OF MATERIALS CHEMISTRY C, 8(41), 14262-14288, 20200710
    Link to Paper Search Results by DOI
  25. 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
    Link to Paper Search Results by DOI
  26. 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
    Link to Paper Search Results by DOI
  27. Dithiazolylthienothiophene Bisimide: A Novel Electron-Deficient Building Unit for N-Type Semiconducting Polymers, ACS Applied Material Interfaces, 11(26), 23410-23416, 20190604
    Link to Paper Search Results by DOI
  28. ★, Ester-Functionalized Naphthobispyrazine as an Acceptor Building Unit for Semiconducting Polymers: Synthesis, Properties, and Photovoltaic Performance, Macromolecules, 52(10), 3909-3917, 20190514
    Link to Paper Search Results by DOI
  29. ★, Selective Synthesis and Properties of Electron-Deficient Hybrid Naphthalene-Based pi-Conjugated Systems, Chemistry A European Journal, 24(72), 19228-19235, 20181220
    Link to Paper Search Results by DOI
  30. ★, Naphthobispyrazine as an Electron-deficient Building Unit for pi-Conjugated Polymers: Efficient Synthesis and Polymer Properties, Chemistry Letters, 46(8), 1193-1196, 20170530
    Link to Paper Search Results by DOI
  31. Cyclobuteno[60]fullerenes as Efficient n-Type Organic Semiconductors, Chemistry A European Journal, 22(38), 13627-13631, 20160912
    Link to Paper Search Results by DOI
  32. 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
    Link to Paper Search Results by DOI
  33. 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
    Link to Paper Search Results by DOI
  34. Highly Ordered n/p‑Co-assembled Materials with Remarkable Charge Mobilities, Journal of the American Chemical Society, 137(2), 893-897, 20141221
    Link to Paper Search Results by DOI
  35. Spiro-1,3-dioxolanofullerenes with Low-lying LUMO Level for Organic Solar Cells, Chemistry Letters, 44(3), 282-284, 20141129
    Link to Paper Search Results by DOI
  36. 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
    Link to Paper Search Results by DOI
  37. 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
    Link to Paper Search Results by DOI
  38. Exploring Photovoltaic Feasibility of Pentaaryl [60]Fullerene in Bulk Heterojunction Architecture, Journal of Photopolymer Science and Technology, 27(5), 553-556, 20140515
    Link to Paper Search Results by DOI
  39. Synthesis and characterization of new acetalized [60]fullerenes, Tetrahedron Letters, 54(27), 3510-3513, 20130429
    Link to Paper Search Results by DOI
  40. Facile and Exclusive Formation of Aziridinofullerenes by Acid-catalyzed Denitrogenation of Triazolinofullerenes, Organic Letters, 14(23), 6040-6043, 20121024
    Link to Paper Search Results by DOI
  41. 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
    Link to Paper Search Results by DOI
  42. Thermal [2 + 2] Cycloaddition of Morpholinoenamines with C60 via a Single Electron Transfer, Organic Letters, 13(16), 4244-4247, 20110721
    Link to Paper Search Results by DOI

Publications such as books

  1. 2024/05/21, Thiophene-fused Reactions Based on Trisulfide Radical Anion, Scholarly Book, Single work, 2

Invited Lecture, Oral Presentation, Poster Presentation

  1. Organic p/n Heterojunction Nanoparticle Photocatalyst Based on Crystalline Semiconducting Polymers for Efficient Hydrogen Evolution, The 24th International Conference on Photochemical Conversion and Storage of Solar Energy (IPS-24), 2024/08/01, Without Invitation, English
  2. Benzo[d]imidazole-Based Nonfullerene Acceptors for Organic Photovoltaics, The 11th International Conference on Molecular Electronics & Bioelectronics (M&BE11), 2024/06/19, Without Invitation, English
  3. Enhanced photocatalytic hydrogen evolution from organic heterojunction nanoparticles using a crystalline semiconducting polymer, International Polymer Conference (IPC) 2023, 2023/07/18, Without Invitation, English
  4. A novel pi-conjugated polymer enabling small voltage loss and high charge carrier generation in nonfullerene-based organic photovoltaics, 33rd International Photovoltaic Science and Engineering Conference (PVSEC-33), 2022/11/27, Without Invitation, English
  5. Organic p/n heterojunction nanoparticle photocatalyst based on a crystalline pi-conjugated polymer for efficient photocatalytic hydrogen evolution, 12th Singapore International Chemistry Conference (SICC-12), 2024/12/12, With Invitation, Japanese
  6. Development of Organic p/n Heterojunction Nanoparticle Photocatalyst Based on Crystalline Semiconducting Polymers for Efficient Hydrogen Evolution, The 41th International Conference of Photopolymer Science & Technology (ICPST41), 2024/06/26, With Invitation, English
  7. Rigid conjugated polymer that realized low voltage loss and high charge generation efficiency in nonfullerene organic solar cells, International Congress on Pure & Applied Chemistry, Bali 2023 (ICPAC 2023), 2023/09/13, With Invitation, English
  8. Development of pi-conjugated polymer based on dithienonaphthobisthiadiazole for high-efficiency organic photovoltaics, Tsubasa Mikie, International Congress on Pure & Applied Chemistry Kota Kinabalu 2022 (ICPAC 2022), 2022/11/25, With Invitation, English
  9. Development of nanoparticle photocatalyst based on crystalline semiconducting polymers, Tsubasa Mikie, Chiyu Fujita, Itaru Osaka, 71st Symposium on Macromolecules, 2022/09/07, Without Invitation, Japanese
  10. 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
  11. A new pi-conjugated polymer that realizes low voltage loss and high photocurrent in non-fullerene solar cells, 2022/03/24, Without Invitation, Japanese
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. Synthesis and properties of naphthobispyrazine-based semiconducting polymers, Tsubasa Mikie, Itaru Osaka, 2018/05/23, Without Invitation, English
  19. 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
  20. 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, 2023
  2. 2024, 2024
  3. 2023, 2024
  4. 2023, 2024
  5. 2023, 2024
  6. 2024, 2025
  7. 2024, 2026
  8. KAKENHI(Grant-in-Aid for Early-Career Scientists), 2022, 2023
  9. 2022
  10. 2022
  11. KAKEN, 2022, 2023
  12. 2021, 2022
  13. KAKENHI(Grant-in-Aid for Research Activity Start-up), 2020, 2021
  14. 2018, 2019
  15. 2014, 2015

Social Activities

Organizing Academic Conferences, etc.

  1. 2019/11, 2019/11
  2. 2022/11, 2022/11
  3. 2023/09, 2023/09
  4. 2024/07, 2024/07
  5. 2023/11, 2023/11

Other Social Contributions

  1. Research Collaboration and Mobility: Green Industrial Revolution, Research Collaboration and Mobility: Green Industrial Revolution, British Council, TV or radio appearance

History as Peer Reviews of Academic Papers

  1. 2020, ACS Applied Energy Materials, Others
  2. 2020, Dye and Pigments, Others
  3. 2020, Journal of Materials Chemistry C, Others
  4. 2021, Journal of Industrial and Engineering Chemistry, Others
  5. 2020, Journal of Physical Chemistry, Others
  6. 2017, Macromolecules, Others
  7. 2018, Organic Electronics, Others
  8. 2017, Physical Chemistry Chemical Physics, Others
  9. 2017, Polymer, Others
  10. 2020, Polymer Chemistry, Others
  11. 2020, Polymer, Others
  12. 2020, Science China Chemistry, Others
  13. 2022, Polymer, Others
  14. 2022, Materials Chemistry Frontiers, Others
  15. 2022, Macromolecules, Others
  16. 2023, Materials Horizons, Others
  17. 2023, ACS Applied Materials and Interfaces, Others
  18. 2024, Molecules, Others, 1
  19. 2024, Journal of Physical and Organic Chemistry, Others
  20. 2024, European Journal of Organic Chemistry, Others
  21. 2024, Chemistry of Materials, Others, Reviewer, 1
  22. 2024, Chemistry-A European Journal, Others, Reviewer, 1
  23. 2024, Bulletin of the Chemical Society of Japan, Others, Reviewer, 2
  24. 2024, Angewandte Chemie International Edition, Reviewer, 1
  25. 2024, ACS Applied Energy Materials, Others, Reviewer, 1
  26. 2022, Materials Chemistry and Physics
  27. 2021, Materials Chemistry and Physics