Papers |  Reviews



  1. Selenium-substituted beta-methylthiobenzo[1,2-b:4,5-b']dithiophenes: synthesis, packing structure, and transport properties, H. Takenaka, T. Ogaki, C. Wang, K. Kawabata, K. Takimiya, Chem. Mater., just accepted.
  2. Two isomeric perylenothiophene diimides: physicochemical properties and applications in organic semiconducting devices, M. Nakano, K. Nakano, K. Takimiya, K. Tajima, J. Mater. Chem. C, 7, 2267-2275 (2019).
  3. Synthesis of Thiophene-annulated Naphthalene Diimide-based Small-Molecular Acceptors via Two-step C-H Activation, Rukiya Matsidik, K. Takimiya, Chem. Asina J., 14, 1651-1656 (2019).


  1. Thienoquinoidal System: Promising Molecular Architecture for Optoelectronic Applications, K. Takimiya, K. KawabataJ. Synth. Org. Chem. Jpn. 76, 1176-1184 (2018).
  2. Thiacycle-fused benzo[1,2-b:4,5-b']dithiophenes (BDTs): synthesis, packing, molecular orientation and semiconducting properties, C. Wang, H. Nakamura, H. Sugino, K. Takimiya,J. Mater. Chem. C, 6, 3604-3612 (2018).


  1. Bis(naphthothiophene diimide)indacenodithiophenes as Acceptors for Organic Photovoltaics, J. Hamonnet, M. Nakano, K. Nakano, H. Sugino, K. Takimiya, K. Tajima,Chem. Mater., 29, 9618-9622 (2017).
  2. Methylthionated benzo[1,2-b:4,5-b']dithiophenes: a model study to control packing structures and molecular orientation in thienoacene-based organic semiconductors, C. Wang, H. Nakamura, H. Sugino, K. Takimiya, Chem. Commun.,53, 9594-9597 (2017).
  3. Control of major carriers in ambipolar polymer semiconductor by self-assembled monolayers, M. Nakano, I. Osaka, K. Takimiya, Adv. Mater., 29, 1602893 (2017).
  4. Effects of branching position of alkyl side chains on ordering structure and charge transport property in thienothiophenedione- and quinacridone-based semiconducting polymers, K. Kawabata, M. Saito, N. Takemura, I. Osaka, K. Takimiya, Polymer J., 49, 169-176 (2017).
  5. Effects of Selenium Atoms on [1]Benzochalcogenopheno[3,2-b][1]benzochalcogenophene-based Organic Semiconductors, H. Sugino, K. Takimiya, Chem. Lett., 46, 345-347 (2017).
    This paper is dedicated to the memory of Professor Yoshihito Kunugi.
  6. Naphthodithiophenediimide-Benzobisthiadiazole-Based Polymers: Versatile n-Type Materials for Field-Effect Transistors and Thermoelectric Devices, Y. Wang, M. Nakano, T. Michinobu, Y. Kiyota, T. Mori, K. Takimiya, Macromolecules, 50, 857-864 (2017).
  7. Dithienyl Acenedithiophenediones as New pi-Extended Quinoidal Cores: Synthesis and Properties, K. Kawabata, I. Osaka, M. Sawamoto, J. L. Zafra, P. Mayorga Burrezo, J. Casado, K. Takimiya, Chem. Eur. J., 23, 4579-4589 (2017).
    This paper is selected for inside cover.
  8. Selective thionation of naphtho[2,3-b]thiophene diimide: Tuning of the optoelectronic properties and packing structure, W. Chen, M. Nakano, K. Takimiya, Q. Zhang, Org. Chem. Front., 4, 704-710 (2017).
  9. High-performance solution-processed organic thin-film transistors based on a soluble DNTT derivative, M. Sawamoto, H. Sugino, M. Nakano, K. Takimiya, Org. Electron., 46, 68-76 (2017).













  1. Thienoquinoidal System: Promising Molecular Architecture for Optoelectronic Applications, K. Takimiya, K. KawabataJ. Synth. Org. Chem. Jpn. 76, 1176-1184 (2018).
  2. Thiophene-Fused Naphthalene Diimides: New Building Blocks for Electron Deficient pi-Functional Materials, K. Takimiya, M. Nakano, Bull. Chem. Soc. Jpn., 91, 121-140 (2018).
  3. Naphthobischalcogenadiazole Conjugated Polymers: Emerging Materials for Organic Electronics, I. Osaka, K. Takimiya, Adv. Mater., 29 , 1605218 (2017).
  4. Sodium Sulfide-Promoted Thiophene-Annulations: Powerful Tools for Elaborating Organic Semiconducting Materials, M. Nakano, K. Takimiya, Chem. Mater., 29, 256-264 (2017) .
  5. Design and elaboration of organic molecules for high field-effect-mobility semiconductors, K. Takimiya, M. Nakano, H. Sugino, I. Osaka, Synth. Met., 217, 68-78 (2016).
  6. Backbone Orientation in Semiconducting Polymers, I. Osaka, K. Takimiya, Polymer, 59, A1-A15 (2015).
  7. Naphthodithiophenes: Emerging Building Blocks for Organic Electronics, K. Takimiya, I. Osaka, Chem. Rec., 15, 175-188 (2015).
  8. π-Building blocks for organic electronics: Revaluation of “inductive Eand “resonance Eeffects of π-electron deficient units, K. Takimiya, I. Osaka, M. Nakano, Chem. Mater., 26, 587-593 (2014).
  9. Organic Semiconductors Based on [1]Benzothieno[3,2-b][1]benzothiophene Substructure, K. Takimiya, I. Osaka, T. Mori, M. Nakano, Acc. Chem. Res., 47, 1493-1502 (2014).
  10. [1]Benzothieno[3,2-b][1]benzothiophenes- and dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene-based organic semiconductors for stable, high-performance organic thin-film transistor materials, K. Takimiya, T. Yamamoto, H. Ebata, T. Izawa, Thin Solid Films, 554, 13-18 (2014).
  11. Thienannulation : efficient synthesis of π-extended thienoacenes applicable to organic semiconductors, K. Takimiya, M. Nakano, M. J. Kang, E. Miyazaki, I. Osaka, Eur. J. Org. Chem. 217-227 (2013).
  12. Naphthodithiophenes as Building Units for Small Molecules to Polymers; A Case Study for In-Depth Understanding of Structure-Property Relationships in Organic Semiconductors, I. Osaka, S. Shinamura, T. Abe, K. Takimiya, J. Mater. Chem. C, 1, 1297-1304 (2013). (selected as  E013 Journal of Materials Chemistry C Hot Papers E and  E013 Most Accessed Manuscripts for Journal of Materials Chemistry C E
  13. AIR-STABLE AND HIGH-MOBILITY ORGANIC SEMICONDUCTORS BASED ON HETEROARENES FOR FIELD-EFFECT TRANSISTORS, S. Shinamura, I. Osaka, E. Miyazaki, and K. Takimiya, Heterocycles, 83, 1187-1204 (2011).
  14. Thienoacene-based Organic Semiconductors, K. Takimiya, S. Shinamura, I. Osaka, E. Miyazaki, Adv. Mater. 23, 4347-4370 (2011).
  15. Development of New Semiconducting Materials for Durable High-Performance Air-stable Organic Field-Effect Transistors (Highlight Review), K. Takimiya, Y. Kunugi, T. Otsubo, Chem. Lett. 36, 578-583 (2007).

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