論文～英文誌：2011-2015

2011～2015

2015

  • Microwave-Assisted Polycondensation of 4-Octylaniline with Dibromoarylene
    Naoto Takase, Junpei Kuwabara, Seong Jib Choi, Takeshi Yasuda, Liyuan Han, and Takaki Kanbara
    J. Polym. Sci. A: Polym. Chem. 53 (2015) 536-542
    DOI: 10.1002/pola.27469
     
  • Synthesis and photovoltaic properties of naphthobisthiadiazole-triphenylamine-based donor-acceptor π-conjugated polymer
    Takeshi Yasuda, Yuki Shinohara, Yutarou Kusagaki, Takaaki Matsuda, Liyuan Han, and Tsutomu Ishi-i
    Polymer 58 (2015) 139-145
    DOI: 10.1016/j.polymer.2014.12.060
     
  • Carrier injection dynamics in heterojucntion solar cells with bipolar molecule
    Yosuke Takahashi, Takeshi Yasuda, Kouhei Yonezawa, and Yutaka Moritomo
    Appl. Phys. Lett. 106 (2015) 123902
    DOI:　10.1063/1.4914918
     
  • Fullerene mixing effect on carrier formation in bulk-hetero organic solar cell
    Yutaka Moritomo, Takeshi Yasuda, Kouhei Yonezawa, Takeaki Sakurai, Yasuo Takeichi, Hiroki Suga, Yoshio Takahashi, Nobuyuki Inami, Kazuhiko Mase, and Kanta Ono
    Sci. Rep. 5 (2015) 9483
    DOI: 10.1038/srep09483
     
  • Improved Power Conversion Efficiency of Bulk-Heterojunction Organic Photovoltaic Cells Using Neat C70 as an Effective Acceptor for an Amorphous π-Conjugated Polymer
    Takeshi Yasuda, Junpei Kuwabara, Liyuan Han, and Takaki Kanbara
    Org. Electron. 25 (2015) 99-104
    DOI:10.1016/j.orgel.2015.06.024
     
  • Bulk Heterojunction Photovoltaic Cells with Triphenylamine-Based Amorphous Polymer and Non-Halogenated Solvent Processing Provide Reproducible Performance
    Takeshi Yasuda, Yutarou Kusagaki, Ikumi Kitahara, Liyuan Han, and Tsutomu Ishi-i
    J. Photopolym. Sci. Tech. 28 (2015) 373-376
    DOI: 10.2494/photopolymer.28.373
     
  • Monosubstitution at the 4-position of 2,7-carbazolylene expands the structural design and fundamental properties of D-π-A copolymers for organic photovoltaic cells
    Kosuke Shibasaki, Takeshi Yasuda, Yohei Yamamoto, and Masashi Kijima
    Polym. Chem. 6 (2015) 5921-5930
    DOI: 10.1039/C5PY00716J
     
  • Carrier density effect on recombination in PTB7-based solar cell
    Yutaka Moritomo, Kouhei Yonezawa, and Takeshi Yasuda
    Sci. Rep. 5 (2015) 13648
    DOI: 10.1038/srep13648
     
  • Manganese powder promoted highly efficient and selective synthesis of fullerene mono- and biscycloadducts at room temperature
    Weili Si, Xuan Zhang, Shirong Lu, Takeshi Yasuda, Naoki Asao, Liyuan Han, Yoshinori Yamamoto, and Tienan Jin
    Sci. Rep. 5 (2015) 13920
    DOI: 10.1038/srep13920
     
  • Temperature effects on carrier formation dynamics in organic heterojunction solar cell
    Kouhei Yonezawa, Takeshi Yasuda, and Yutaka Moritomo
    Appl. Phys. Lett. 107 (2015) 133903
    DOI: 10.1063/1.4932375
     
  • Temperature-independent carrier formation dynamics in bulk hetrojunction
    Kouhei Yonezawa, Takeshi Yasuda, and Yutaka Moritomo
    Appl. Phys. Express 8 (2015) 112301
    DOI: 10.7567/APEX.8.112301
     
  • Spectroscopic Determination of Charge Formation Efficiency of Organic Photovoltaic Cells
    Yutaka Moritomo, Kouhei Yonezawa, and Takeshi Yasuda
    Mol. Cryst. Liq. Cryst. 620 (2015) 26-31
    DOI: 10.1080/15421406.2015.1094852
     
  • Domain Structure of F8T2/PC71BM Blend Film as Investigated by Scanning Transmission X-ray Microscope (STXM)
    Yutaka Moritomo, Kouhei Yonezawa, Takeaki Sakurai, Takeshi Yasuda, Yasuo Takeichi, Hayato Kamioka, Hiroki Suga, Yoshio Takahashi, Yuji Yoshida, Nobihito　Inami, Kazuhiko Mase, and Kanta Ono
    Mol. Cryst. Liq. Cryst. 620 (2015) 32-37
    DOI: 10.1080/15421406.2015.1094854
     
  • Emission from Charge-Transfer States in Bulk-Heterojunction Organic Photovoltaic Cells Based on Ethylenedioxythiophene-Fluorene Polymers
    Takeshi Yasuda, Junpei Kuwabara, Liyuan Han, and Takaki Kanbara
    Mol. Cryst. Liq. Cryst. 620 (2015) 107-111
    DOI: 10.1080/15421406.2015.1094887
     
  • Coassembly-Directed Fabrication of an Exfoliated Form of Alternating Multilayers Composed of a Self-assembled Organoplatinum(II) Complex–Fullerene Dyad
    Satoru Sato, Toshiaki Takei, Yoshitaka Matsushita, Takeshi Yasuda, Tatsuhiro Kojima, Masaki Kawano, Masato Ohnuma, and Kentaro Tashiro
    Inorg. Chem. 54 (2015) 11581–11583
    DOI: 10.1021/acs.inorgchem.5b01183
     

2014

  • Synthesis and Properties of Regioregular poly(3-substituted thiophene) bearing disiloxane moiety in the substituent. Remarkably High Solubility in Hexane
    Atsunori Mori, Kenji Ide, Shunsuke Tamba, Satoru Tsuji, Yuka Toyomori and Takeshi Yasuda
    Chem. Lett. 43 (2014) 640-642
    DOI: 10.1246/cl.131222
     
  • Direct Arylation Polycondensation: A Promising Method for the Synthesis of Highly Pure, High-Molecular-Weight Conjugated Polymers Needed for Improving the Performance of Organic Photovoltaics
    Junpei Kuwabara, Takeshi Yasuda, Seong Jib Choi, Wei Lu, Koutarou Yamazaki, Shigehiro Kagaya, Liyuan Han and Takaki Kanbara
    Adv. Funct. Mater. 24 (2014) 3226-3233
    DOI: 10.1002/adfm.201302851
     
  • Two-Step direct arylation for synthesis of naphthalenediimide-based conjugated polymer
    Yuta Nohara, Junpei Kuwabara1, Takeshi Yasuda, Liyuan Han and Takaki Kanbara
    J. Polym. Sci. A: Polym. Chem. 52 (2014) 1401-1407
    DOI: 10.1002/pola.27140
     
  • Triphenylamine-based amorphous polymers for bulk-heterojunction photovoltaic cells
    Takeshi Yasuda
    IOP Conf. Ser.: Mater. Sci. Eng. 54 (2014) 012015
    DOI: 10.1088/1757-899X/54/1/012015
     
  • Molecular mixing in donor and acceptor domains as investigated by scanning transmission X-ray microscopy
    Yutaka Moritomo, Takeaki Sakurai, Takeshi Yasuda, Yasuo Takeuchi, Kouhei　Yonezawa, Hayato Kamioka, Hiroki Suga, Yoshio Takahashi, Yuji Yoshida, Nobuhito Inami, Kazuhiko Maze and Kenta Ono
    Appl. Phys. Express 7 (2014) 052302
    DOI: 10.7567/APEX.7.052302
     
  • Room-Temperature Printing of Organic Thin-Film Transistors with π-junction Gold Nanoparticles
    Takeo Minari, Yuki Kanehara, Chuan Liu, Kenji Sakamoto, Takeshi Yasuda, Asuka Yaguchi, Shigemi Tsukada, Kei Kashizaki, and Masayuki Kanehara
    Adv. Funct. Mater. 24 (2014) 4886–4892
    DOI: 10.1002/adfm.201400169
     
  • Dramatic enhancement of fullerene anion formation in polymer solar cells by thermal annealing: direct observation by electron spin resonance
    Dong Liu, Tatsuya Nagamori, Masaki Yabusaki, Takeshi Yasuda, Liyuan Han and Kazuhiro Marumoto
    Appl. Phys. Lett. 104 (2014) 243903 (2014)
    DOI: 10.1063/1.4883858
     
  • A Dopant-free Hole-Transporting Material for Efficient and Stable Perovskite Solar Cells
    Jian Liu, Yongzhen Wu, Chuanjiang Qin, Xudong Yang, Takeshi Yasuda, Ashraful Islam, Kun Zhang, Wenqin Peng, Wei Chen, and Liyuan Han
    Energy Environ. Sci. 7 (2014) 2963-2967
    DOI: 10.1039/C4EE01589D
     
  • Syntheses and photovoltaic properties of narrow band gap donor-acceptor coplymers with carboxylate-substituted benzodiophene as electron acceptor unit
    Kosuke Shibasaki, Kenichi Tabata, Yohei Yamamoto, Takeshi Yasuda, Masashi Kijima
    Macromolecules 47 (2014) 4987–4993
    DOI: 10.1021/ma501078e
     
  • Effect of temperature on carrier formation efficiency in organic photovoltaic cells
    Yutaka Moritomo, Kouhei Yonezawa, Takeshi Yasuda
    Appl. Phys. Lett. 105 (2014) 073902
    DOI: 10.1063/1.4892611
     

2013

  • Functional 2-benzyl-1,2-dihydro[60]fullerenes as acceptors for organic photovoltaics: facile synthesis and high photovoltaic performances
    Shirong Lu, Tienan Jin, Takeshi Yasuda, Ashraful Islam, Md.Akhtaruzzaman, Liyuan Han, Khalid A. Alamry, Samia A. Kosa, Abdullah Mohamed Asiri and Yoshinori Yamamoto
    Tetrahedron 69 (2013) 1302-1306
    DOI: 10.1016/j.tet.2012.11.099
     
  • Bulk-Heterojunction Organic Photovoltaic Cells Fabricated Using a High Viscosity Solution of Poly(3-hexylthiophene) with Extremely High Molecular Weight
    Takeshi Yasuda, Hikaru Meguro, Shuji Okamoto, and Lyuan Han
    Polym. J. 45 (2013) 129-132　
    DOI: 10.1038/pj.2012.182
       
  • Synthesis of Polyaniline with low Polydispersity using Supramolecular Ionic Assembly as Reaction Media
    Shaoan Xu, Sanjib Das, Soichiro Ogi, Kazunori Sugiyasu, Hiroyuki Okazaki, Yoshihiko Takano, Takeshi Yasuda, Kenzo Deguchi, Shinobu Ohki,Tadashi Shimizu and Masayuki Takeuchi
    Chem. Eur. J. 19 (2013) 5824-5829
    DOI: 10.1002/chem.201204134
     
  • Synthesis and photovoltaic properties of amorphous polymers based on dithienylbenzothiadiazole-triphenylamine with hexyl side chains on different positions of thienyl groups
    Takeshi Yasuda, Yuki Shinohara, Takaaki Matsuda, Liyuan Han, Tsutomu Ishi-i
    J. Polym. Sci. A: Polym. Chem. 51(2013) 2536-2544
    DOI: 10.1002/pola.26667
     
  • Carrier formation dynamics of a small-molecular organic photovoltaic
    Takahiro Akaba, Kouhei Yonezawa, Hayato Kamioka, Takeshi Yasuda, Liyuan Han, and Yutaka Moritomo
    Appl. Phys. Lett. 102 (2013) 133901
    DOI:10.1063/1.4800532
     
  • Exciton-to-Carrier Conversion Processes in a Low-Band-Gap Organic Photovoltaic
    Kouhei Yonezawa, Hayato Kamioka, Takeshi Yasuda, Liyuan Han and Yutaka Moritomo
    Jpn. J. Appl. Phys. 52 (2013) 062405
    DOI: 10.7567/JJAP.52.062405
     
  • Prominent charge-transfer state on α-sexithiophene/C60 interface
    Yousuke Takahashi, Kouhei Yonezawa, Hayato Kamioka, Takeshi Yasuda, Liyuan Han, and Yutaka Moritomo
    J. Phys. Soc. Jpn. 82 (2013) 063709
    DOI: 10.7566/JPSJ.82.063709
     
  • Directly-Linked Ferrocene–Naphthalenediimide Conjugate: Precise Control of Stacking Structures of π-Systems upon Redox Stimuli
    Atsuro Takai, Takeshi Yasuda, Tomoya Ishizuka, Takahiko Kojima, and Masayuki Takeuchi
    Angew. Chem., Int. Ed. 52 (2013) 9167-9171
    DOI: 10.1002/anie.201302587
     
  • Unique Device Operations by Combining Optical-Memory Effect and Electrical-Gate Modulation in a Photochromism-Based Dual-Gate Transistor
    Yasushi Ishiguro, Ryoma Hayakawa, Takeshi Yasuda, Toyohiro Chikyow, and Yutaka Wakayama
    ACS Appl. Mater. Interfaces 5 (2013) 9726-9731
    DOI: 10.1021/am402833k
       
  • Robust carrier formation process in low-band gap organic photovoltaics
    Kouhei Yonezawa, Hayato Kamioka, Takeshi Yasuda, Liyuan Han, and Yutaka Moritomo
    Appl. Phys. Lett. 103 (2013) 173901
    DOI: 10.1063/1.4826187 　
    　  
  • Diffraction-unlimited optical imaging of unstained living cells in liquid by electron beam scanning of luminescent environmental cells
    Hideki T. Miyazaki, Takeshi Kasaya, Taro Takemura, Nobutaka Hanagata, Takeshi Yasuda, and Hiroshi Miyazaki
    Opt. Express 21 (2013) 28198-28218
    DOI: 10.1364/OE.21.028198 　
    　　
  • Deuterium Isotope Effect on Bulk Heterojunction Solar Cells. Enhancement of Organic Photovoltaic Performances Using Monobenzyl Substituted Deuteriofullerene Acceptors
    Shirong Lu, Tienan Jin, Takeshi Yasuda, Weili Si, Kazuaki Oniwa, Khalid A. Alamry, Samia A. Kosa, Abdullah Mohamed Asiri, Liyuan Han, and Yoshinori Yamamoto
    Org. Lett. 15 (2013) 5674–5677
    DOI: 10.1021/ol4026606  

2012

  • Improved power conversion efficiency of bulk-heterojunction organic solar cells using a benzothiadiazole-triphenylamine polymer
    Takeshi Yasuda, Yuki Shinohara, Takaaki Matsuda, Liyuan Han, and Tsutomu Ishi-i
    J. Mater. Chem. 22 (2012) 2539-2544
    DOI: 10.1039/c2jm14671a
     
  • Fast Carrier Formation from Acceptor Exciton in Low-Gap Organic Photovotalic
    Kouhei Yonezawa, Hayato Kamioka, Takeshi Yasuda, Liyuan Han, and Yutaka Moritomo
    Appl. Phys. Express 5 (2012) 042302
    DOI: 10.1143/APEX.5.042302
     
  • Electrochemical Generation and Spectroscopic Characteization of Charge Carriers within Isolated Planar Polythiophene
    Ryo Shomura, Kazunori Sugiyasu, Takeshi Yasuda, Akira Sato, and Masayuki Takeuchi
    Macromolecules 45 (2012) 3759-3771
    doi:10.1021/ma300373n
     
  • Photovoltaic Properties and Charge Dynamics in Nanophase-Separated F8T2/PCBM Blend Films
    Takeshi Yasuda, Kouhei Yonezawa, Minato Ito, Hayato Kamioka, Liyuan Han, and Yutaka Moritomo
    J. Photopolym. Sci. Tech. 25 (2012) 271-276
    doi:10.2494/photopolymer.25.271  
  • Light exposure dependence of field-effect mobility of pentacene thin films deposited on very thin polyimide photo-alignment layers
    Kenji Sakamoto, Junichi Ueno, Takamitsu Yonezawa, Takeshi Yasuda, and Kazushi Miki
    J. Appl. Phys. 111 (2012) 123702
    doi: 10.1063/1.4729046
     
  • Carrier Formation Dynamics of Organic Photovoltaics as Investigated by Time-resolved Spectroscopy
    Kouhei Yonezawa, Minato Ito, Hayato Kamioka, Takeshi Yasuda, Liyuan Han, and Yutaka Moritomo
    Adv. Opt. Tech. 2012 (2012) 316045
    doi: 10.1155/2012/316045
     
  • Use of benzothiadiazole-triphenylamine amorphous polymer for reproducible performance of polymer-fullerene bulk-heterojunction solar cells
    Takeshi Yasuda, Yuki Shinohara, Tsutomu Ishi-i, and Liyuan Han
    Org. Electron. 13 (2012) 1802-1808
    doi: 10.1016/j.orgel.2012.05.037
     
  • Soluble Porphyrin Donors for Small Molecule Bulk Heterojunction Solar Cells
    Junichi Hatano, Naoki Obata, Shigeru Yamaguchi, Takeshi Yasuda, and Yutaka Matsuo
    J. Mater. Chem. 22 (2012) 19258-19263
    doi:10.1039/C2JM33956K
     
  • Effect of Branched Alkyl Chains Attached at sp3 Silicon of Donor-Acceptor Copolymers on Their Morphology and Photovoltaic Properties
    Tatsuaki Nakanishi, Yasuhiro Shirai, Takeshi Yasuda, and Liyuan Han
    J. Polym. Sci. A: Polym. Chem. 50 (2012) 4829-4839
    doi:10.1002/pola.26315
     

2011

  • Anisotropic field-effect hole mobility of liquid crystalline conjugated polymer layers formed on photo-aligned polyimide films
    Kenji Sakamoto, Takeshi Yasuda, Kazushi Miki, Masayuki Chikamatsu, and Reiko Azumi
    J. Appl. Phys.109 (2011) 013702
    doi:10.1063/1.3527066
     
  • Anisotropic carrier transport properties of stretch-oriented π-conjugated polymers in organic field-effect transistors
    Takeshi Yasuda
    Phys. Stat. Sol. (C) 8 (2011) 604-606
    DOI: 10.1002/pssc.201000405
     
  • Air-stable triarylamine-based amorphous polymer as donor material for bulk-heterojunction organic solar cells
    Takeshi Yasuda, Takao Suzuki, Mitsuru Takahashi, Liyuan Han
    Sol. Energy Mater. Sol. Cells 95 (2011) 3509–3515
    doi:10.1016/j.solmat.2011.08.013
     
  • Preparation, Spectral Properties, and Electron Affinity of Bis(thiadiazolo)quinoxaline and Bis(thiadiazolo)phenanthroquinoxaline as n-Type Semiconductors
    Tsutomu Ishi-i, Taro Nakanishi, Yuuki Teshima, Takeshi Yasuda and Liyuan Han
    Chem. Lett. 40 (2011) 1252-1253
    doi:10.1246/cl.2011.1252
     
  • Charge-Transfer State and Charge Dynamics in Poly(9,9’-dioctylfluorene-co-bithiophene) and [6,6]-Phenyl C70-butyric Acid Methyl Ester Blend Film
    Kouhei Yonezawa, Minato Ito, Hayato Kamioka, Takeshi Yasuda, Liyuan Han, Yutaka Moritomo
    Appl. Phys. Express 4 (2011) 122601
    DOI: 10.1143/APEX.4.122601
     
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