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論文リスト

2022

  1. What defines a crystal structure? Effects of chalcogen atoms in 3,7-bis(methylchalcogeno)benzo[1,2-b:4,5-b′]dichalcogenophene-based organic semiconductors, K. Takimiya, K. Bulgarevich, K. Sahara, K. Kanazawa, H. Takenaka, K. Kawabata, Chin. J. Chem., accepted (DOI:10.1002/cjoc.202200302).
  2. 1,3,6,8-Tetrakis(methylchalcogeno)pyrenes: Effects of Chalcogen Atoms on Crystal Structure and Transport Properties, K. Bulgarevich, S. Horiuchi, T. Ogaki, K. Takimiya, Chem. Mater., 34, 6606–6616 (2022).
  3. Effects of Conformation on Doping Efficiency in π-Extended Bipyranylidene Molecules: Relationship between Molecular Structure and Electron-Doping Ability for Developing n-Type Organic Thermoelectrics, T. Matsuo, K. Kawabata, K. Takimiya, Bull. Chem. Soc. Jpn., 95, 1047-1053 (2022).
  4. Band-like versus temperature-independent carrier transport in isomeric diphenyldinaphtho[2,3-b:2′,3′-f]thieno[3,2-b]thiophenes (DPh-DNTTs), K. Takimiya, K. Bulgarevich, S. Horiuchi, A. Sato, K. Kawabata, ACS Mater. Lett., 4,675–681.
  5. Enantiopure 2-(2-ethylhexyl)dinaphtho[2,3-b:2′,3′-f]thieno[3,2-b]thiophenes: synthesis, single crystal structure and surprising lack of influence of stereoisomerism on thin-film structure and electronic properties, K. Sumitomo, Y. Sudo, K. Kanazawa, K. Kawabata, K. Takimiya, Mater. Horiz., 9, 444-451 (2022).
  6. Packing structures of (trialkylsilyl)ethynyl-substituted dinaphtho[2,3-b:2′,3′-f]thieno[3,2-b]thiophenes (DNTTs): effects of substituents on crystal structures and transport properties, K. Takimiya, S. Usui, A. Sato, K. Kanazawa, K. Kawabata, J. Mater. Chem. C, 10, 2775-2782 (2022).

2021

  1. Quinoid-aromatic Resonance for Very Small Optical Energy Gaps in Small-molecule Organic Semiconductors: a Naphthodithiophenedione-oligothiophene triad system, K. Kawabata, K. Takimiya, Chem. Eur. J., 27, 15660-15670 (2021).
  2. Highly electron-donating bipyranylidene derivatives: potential n-type dopants for organic thermoelectrics, T. Matsuo, K. Kawabata, K. Takimiya, Adv. Energy Sustainability Res., 2, 2100084 (2021). OPEN ACCESS
  3. “Manipulation” of crystal structure by methylthiolation enabling ultrahigh mobility in a pyrene-based molecular semiconductor, K. Takimiya, Kirill Bulgarevich, M. Abbas, S. Horiuchi, T. Ogaki, K. Kawabata, A. Ablat, Adv. Mater., 33, 2102914 (2021). OPEN ACCESS
  4. Crystal structures of beta-methylchalcogenated tetrathienoacenes: from one-dimensional pi-stacking to sandwich pitched pi-stacking structure, K. Takimiya, K. Kanazawa, K. Kawabata, Cryst. Growth Des., 21, 4055-4063 (2021).
  5. Highly-efficient terahertz emission from hydrogen-bonded single molecular crystal 4-nitro-2,5-bis(phenylethynyl)aniline, M. Sotome, T. Ogaki, K. Takimiya, N. Ogawa, Opt. Express, 29, 10048-10058 (2021).
  6. A Design Principle for Polar Assemblies with C3‐Sym Bowl‐Shaped π‐Conjugated Molecules, C. Zhang, Y. Guo, D. He, J. Komiya, G. Watanabe, T. Ogaki, C. Wang, A. Nihonyanagi, H. Inuzuka, H. Gong, Y. Yi, K. Takimiya, D. Hashizume, D. Miyajima, Angew. Chem. Int. Ed., 60, 3261-3267(2021).
  7. Low voltage operating organic light emitting transistors with efficient charge blocking layer, A. Bachelet, M. Chabot, A. Ablat, K. Takimiya, L. Hirsch, M. Abbas, Org. Electron., 88, 106024 (2021).

2020

  1. Carbonyl-Terminated Quinoidal Oligothiophenes as p-Type Organic Semiconductors, T. Asoh, K. Kawabata, K. Takimiya, Materials, 13, 3020 (2020). OPEN ACCESS
  2. Naphthodithiophenediimide?Bithiopheneimide Copolymers for High‐Performance n‐Type Organic Thermoelectrics: Significant Impact of Backbone Orientation on Conductivity and Thermoelectric Performance, Y. Wang, K. Takimiya, Adv. Mater., 32, 2002060 (2020). OPEN ACCESS
  3. “Heavy-atom Effects” in the Parent [1]Benzochalcogenopheno[3,2-b][1]benzochalcogenophene System, C. Wang, M. Abbas, G. Wantz, K. Kawabata, K. Takimiya, J. Mater. Chem. C, 8, 15119-15127 (2020).
  4. Crystal structures of dimethoxyanthracens: a clue to a rational design of packing structures of π‐conjugated molecules, K. Takimiya, T. Ogaki, C. Wang, K. Kawabata, Chem. Asian J., 15, 915-919 (2020).
  5. “Disrupt and induce” intermolecular interactions to rationally design organic semiconductor crystals: from herringbone to rubrene-like pitched π-stacking, C. Wang, D. Hashizume, M. Nakano, T. Ogaki, H. Tekenaka, K. Kawabata, K. Takimiya, Chem. Sci., 11, 1573-1580 (2020). OPEN ACCESS
  6. Synthesis of Soluble Dinaphtho[2,3-b:2′,3′-f]thieno[3,2-b]thiophene (DNTT) Derivatives: One-Step Functionalization of 2-Bromo-DNTT, K. Kawabata, S. Usui, K. Takimiya, J. Org. Chem., 85, 195-206 (2020).

2019

  1. Selenium-substituted β-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., 31, 6696-6705 (2019).
  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).

2018

  1. Thienoquinoidal System: Promising Molecular Architecture for Optoelectronic Applications, K. Takimiya, K. Kawabata, J. 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).
  3. 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).

2017

  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).

2016

  1. Naphthodithiophene Diimide-Based Copolymers: Ambipolar Semiconductors in Field-Effect Transistors and Electron Acceptors with Near-Infrared Response in Polymer Blend Solar Cells, K. Nakano, M. Nakano, B. Xiao, E. Zhou, K. Suzuki, I. Osaka, K. Takimiya, K. Tajima, Macromolecules, 49, 1752-1760 (2016).
  2. This is a collaboration work with Dr. Tajima's group.
  3. Soluble Dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene Derivatives for Solution-Processed Organic Field-Effect Transistors, M. Sawamoto, M. J. Kang, E. Miyazaki, H. Sugino, I. Osaka, K. Takimiya, ACS Appl. Mater. Interfaces, 8, 3810-3824 (2016).
  4. Amide-bridged terphenyl and dithienylbenzene units for semiconducting polymers, M. Akita, M. Saito, I. Osaka, T. Koganezawa, K. Takimiya, RSC Adv., 6, 16437-16447 (2016).
  5. Very Small Bandgap π-Conjugated Polymers with Extended Thienoquinoids, K. Kawabata, M. Saito, I. Osaka, K. Takimiya, J. Am. Chem. Soc., 138, 7725-7732 (2016).
  6. Dithienylthienothiophenebisimide, a Versatile Electron-Deficient Unit for Semiconducting Polymers, M. Saito, M. Suda, H. Yoshida, I. Osaka, K. Takimiya, Adv. Mater., 28 , 6921-6925 (2016).
  7. N,N'-Unsubstituted Naphthodithiophene Diimide (NDTI): Synthesis and Derivatization via N-Alkylation and -Arylation, M. Nakano, M. Sawamoto, M. Yuki, K. Takimiya, Org. Lett., 18, 3770-3773 (2016).
  8. N,N'-Bis(2-cyclohexylethyl)naphtho[2,3-b:6,7-b']dithiophene diimides: Effects of Substituents, M. Nakano, D. Hashizume, K. Takimiya, Molecules, 21, 981 (2016).
  9. Implication of Fluorine Atom on Electronic Properties, Ordering Structures, and Photovoltaic Performance in Naphthobisthiadiazole-Based Semiconducting Polymers, K. Kawashima, T. Fukuhara, Y. Suda, Y. Suzuki, T. Koganezawa, H. Yoshida, H. Ohkita, I. Osaka, K. Takimiya, J. Am. Chem. Soc., 138, 10265-10275 (2016).
  10. Naphtho[2,3-b]thiophene Diimide (NTI): a Mono-Functionalizable Core-Extended Naphthalene Diimide Building Block for Electron-Deficient Architectures, W. Chen, M. Nakano, J.-H. Kim, K. Takimiya, Q. Zhang, J. Mater. Chem. C., 4, 8879-8883 (2016).
  11. Reversible Dimerization & Polymerization of a Janus Diradical Producing Labile CC Bonds and Giant Chromism, J. L. Zafra, L. Qiu, N. Yanai, T. Mori, M. Nakano, M. P. Alvarez, J. T. Lopez Navarrete, C. J. Gomez-Garcia, M. Kertesz, K. Takimiya, J. Casado, Angew. Chem. Int. Ed., 55, 14563-14568 (2016).

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