Faculty Members

LANGUAGE ≫ Japanese
hayashi-shotaro-1.jpg

Assistant Professor
HAYASHI Shotaro

Doctor of Engineering, Tokyo Institute of Technology, Japan, 2010

Areas of specialization Crystal Engineering, Polymer Science, Organic Synthesis, Organic Materials Chemistry
Laboratory/research office
Current research topics
Educational background 2008: Master, Tokyo Institute of Technology
2006: Bachelor
Professional background 2020-: 
2017-2020: 
2010-2017: 
2010-2010: 
2009-2009: 
Licenses
Academic societies

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Courses

* Courses provided in English are shown with (E) mark

Undergraduate school
Graduate school

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Research activities

Research papers
  1. Authors: HAYASHI Shotaro
    Title: Highly Crystalline and Efficient Red-emissive π-Conjugated Polymer Film: Tuning of Macrostructure for Light-emitting Properties
    Journal: Materials Advances, Vol. 1, pp. 632-638, RSC
    Year: 2020
  2. Authors: HAYASHI Shotaro, ISHIWARI Fumitaka, FUKUSHIMA Takanori, SHOUHEI Mikage, TASHIRO Motomichi, IMAMURA Yutaka, KATOUDA Michio
    Title: Anisotropic Poisson’s Effect and Deformation-induced Fluorescence Change of Elastic 9,10-Dibromoanthrathene Single Crystals
    Journal: Angewandte Chemie International Edition, Vol. 59, pp. 16195-16201, Wiley
    Year: 2020
  3. Authors: UEGAKI Kaoru, NAKABAYASHI Kazuhiro, YAMAMOTO Shin-ichi, KOIZUMI Toshio, HAYASHI Shotaro
    Title: Donor–acceptor Random Regioregular π-Conjugated Copolymers based on Poly(3-hexylthiophene) with Unsymmetrical Monothienoisoindigo Units
    Journal: RSC Advances, Vol. 10, pp. 19034-19040, RSC
    Year: 2020
  4. Authors: FUJII Toshiki, TANAKA Susumu, HAYASHI Shotaro, IMOTO Hiroaki, NAKA Kensuke
    Title: Dipyridinoarsole: A New Class of Stable and Modifiable Heteroatom-bridged Bipyridines
    Journal: Chemical Communications, Vol. 56, pp. 6035-6038, RSC
    Year: 2020
  5. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: Direction-specific Fluorescence of an Engineered Organic Crystal and Its Mechanically Induced Shaping-caused New Face Appearance
    Journal: CrystEngComm, Vol. 21, pp. 5990-5994, RSC
    Year: 2019
  6. Authors: HAYASHI Shotaro, YAMAMOTO Shin-ichi, NISHI Koji, ASANO Atsushi, KOIZUMI Toshio
    Title: Synthesis of Network Polymer Emitters: Tunable Detection of Chemicals by the Geometric Design
    Journal: Polymer Journal, Vol. 51, pp. 1055-1061, NPG
    Year: 2019
  7. Authors: KOIZUMI Toshio, KAMEDA Tsuyoshi, SAITO Hironori, SATO Ayumu, HAYASHI Shotaro
    Title: Facile Synthesis of ortho-Phenylene-based Conjugated Polymers through Transformation of Cross-conjugated Poly(2,3-diaryl[2]dendralene)s and their Optical Properties
    Journal: Journal of Polymer Science, Part A: Polymer Chemistry, Vol. 57, pp. 827-832, Wiley
    Year: 2019
  8. Authors: HAYASHI Shotaro, KOIZUMI Toshio, KAMIYA Natumi
    Title: 2,5-Dimethoxybenzene-1,4-dicarboxaldehyde: An Emissive Organic Crystal and Highly Efficient Fluorescent Waveguide
    Journal: ChemPlusChem, Vol. 84, pp. 247-251, Wiley
    Year: 2019
  9. Authors: HAYASHI Shotaro, SAKAMOTO Minami, ISHIWARI Fumitaka, FUKUSHIMA Takanori, YAMAMOTO Shin-ichi, KOIZUMI Toshio
    Title: A Versatile Scaffold for Facile Synthesis of Fluorescent Cyano-substituted Stilbenes
    Journal: Tetrahedron, Vol. 75, pp. 1079-1084
    Year: 2019
  10. Authors: HAYASHI Shotaro, YAMAMOTO Shin-ya, TAKEUCHI Daisuke, IE Yutaka, TAKAGI Koji
    Title: Creating Elastic Organic Crystals of π‐Conjugated Molecules with Bending Mechanofluorochromism and Flexible Optical Waveguide
    Journal: Angewandte Chemie International Edition, Vol. 57, pp. 17002-17008, Wiley
    Year: 2018
  11. Authors: IMOTO Hiroki, YAMAZAWA Chieko, HAYASHI Shotaro, AONO Masami, NAKA Kensuke
    Title: Electropolymerization of Dithieno[3,​2-​b:2',​3'-​d]​arsole
    Journal: ChemElectroChem, Vol. 5, pp. 3357-3360, Wiley
    Year: 2018
  12. Authors: HAYASHI Shotaro, YAMAMOTO Shin-ichi, KOIZUMI Toshio
    Title: Study on Direct Arylation of Bithiophene with Dibromoxanthene: Detection of Polymer, Oligomeric and Cyclic Byproducts and Easy Separation of the Polymer
    Journal: Materials Today Communications, Vol. 17, pp. 259-265
    Year: 2018
  13. Authors: HAYASHI Shotaro, TAKIGAMI Atsushi, KOIZUMI Toshio
    Title: Solvent Control over Supramolecular Gel Formation and Fluorescence for a Highly Crystalline π-Conjugated Polymer
    Journal: Chemistry - An Asian Journal, Vol. 13, pp. 2014-2018, Wiley
    Year: 2018
  14. Authors: HAYASHI Shotaro, HIRAI Ryosuke, YAMAMOTO Shin-ichi, KOIZUMI Toshio
    Title: A Simple Route to Unsymmetric Cyano-substituted Oligo(p-phenylene-vinylene)s
    Journal: Chemistry Letters, Vol. 47, pp. 1003-1005, CSJ
    Year: 2018
  15. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: Mechanically Induced Shaping of Organic Single Crystals: Facile Fabrication of Fluorescent and Elastic Crystal Fibers
    Journal: Chemistry - A European Journal, Vol. 24, pp. 8507-8512, Wiley
    Year: 2018
  16. Authors: HAYASHI Shotaro, KOIZUMI Toshio, KAMIYA Natsumi
    Title: Elastic Bending Flexibility of Fluorescent Organic Single Crystal: New Aspects of Commonly Used Building Block “4,7-Dibromo-2,1,3-benzothiadiazole”
    Journal: Crystal Growth & Design, Vol. 17, pp. 6158-6162, ACS
    Year: 2017
  17. Authors: HAYASHI Shotaro, YAMAMOTO Shin-ichi, KOIZUMI Toshio
    Title: A Cyclic Compound based on Xanthene-linked π-Dimer via Direct Arylation
    Journal: Chemistry Letters, Vol. 46, pp. 200-203, CSJ
    Year: 2017
  18. Authors: HAYASHI Shotaro, TOGAWA Yuki, YAMAMOTO Shin-ichi, KOIZUMI Toshio, ASANO Atsushi
    Title: Synthesis of π-Conjugated Network Polymers Based on Fluoroarene and Fluorescent Units via Direct Arylation Polycondensation and Their Porosity and Fluorescent Properties
    Journal: Journal of Polymer Science, Part A: Polymer Chemistry, Vol. 55, pp. 3862-3867, Wiley
    Year: 2017
  19. Authors: HAYASHI Shotaro, ASANO Atsushi, KAMIYA Natsumi, YOKOMORI Yoshinobu, MAEDA Takuto, KOIZUMI Toshio
    Title: Fluorescent Organic Single Crystals with Elastic Bending Flexibility: 1,4-Bis(thien-2-yl)-2,3,5,6-tetrafluorobenzene Derivatives
    Journal: Scientific Reports, Vol. 7, p. 9453
    Year: 2017
  20. Authors: HAYASHI Shotaro, KASUYA Masayuki, MACHIDA Junichi, KOIZUMI Toshio
    Title: From Propargylic Biscarbonate to Diaryl[n]dendralenes
    Journal: Tetrahedron Letters, Vol. 8, pp. 2429-2432
    Year: 2017
  21. Authors: HAYASHI Shotaro, YAMAMOTO Shin-ichi, KOIZUMI Toshio
    Title: Effects of Molecular Weight on the Optical and Electrochemical Properties of EDOT-based π-Conjugated Polymers
    Journal: Scientific Reports, Vol. 7, p. 1078, NPG
    Year: 2017
  22. Authors: HAYASHI Shotaro, KOJIMA Yoshihisa, KOIZUMI Toshio
    Title: Direct Arylation Polycondensation of β-Unprotected Chalcogen Heteroles under Phosphine-free Conditions
    Journal: Polymer, Vol. 113, pp. 214-220
    Year: 2017
  23. Authors: KOJIMA Yoshihisa, HAYASHI Shotaro, KOIZUMI Toshio
    Title: Palladium on Carbon (Pd/C)-Catalyzed Direct C-H Arylation Polycondensation of 3,4-Ethylenedioxythiophene with Various Dibromoarenes
    Journal: Journal of Polymer Science, Part A: Polymer Chemistry, Vol. 55, pp. 1183-1188, Wiley
    Year: 2017
  24. Authors: HAYASHI Shotaro, TOGAWA Yuki, KOJIMA Yoshihisa, KOIZUMI Toshio
    Title: Direct Arylation of Fluoroarenes toward Linear, Bent-shaped and Branched π-Conjugated Polymers: Polycondensation and Post-polymerization Approaches
    Journal: Polymer Chemistry, Vol. 7, pp. 5671-5686, RSC
    Year: 2016
  25. Authors: HAYASHI Shotaro, TAKIGAMI Atsushi, KOIZUMI Toshio
    Title: Palladium-immobilized on Thiol-modified Silica Gel for an Effective Direct C-H Arylation
    Journal: ChemPlusChem, Vol. 81, pp. 930-934, Wiley
    Year: 2016
  26. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: Synthesis of Small Band Gap Poly[Bis-EDOT-Isoindigo] via Direct Arylation and Oxidative Electropolymerization, and Its Optoelectronic Properties
    Journal: Electrochemistry, Vol. 84, pp. 570-573
    Year: 2016
  27. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: Elastic Organic Crystal of a Fluorescent π-Conjugated Molecule
    Journal: Angewandte Chemie International Edition, Vol. 55, pp. 2701-2704, Wiley
    Year: 2016
  28. Authors: HAYASHI Shotaro, TOGAWA Yuki, ASHIDA Jun, NISHI Koji, ASANO Atsushi, KOIZUMI Toshio
    Title: Synthesis of π-Conjugated Porous Polymers via Direct Arylation of Fluoroarenes with Three-arm Triazine
    Journal: Polymer, Vol. 90, pp. 187-192
    Year: 2016
  29. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: Chloride-promoted Pd-Catalyzed Direct C-H Arylation for Highly Efficient Phosphine-free Synthesis of π-Conjugated Polymers
    Journal: Polymer Chemistry, Vol. 6, pp. 536-539, RSC
    Year: 2015
  30. Authors: HAYASHI Shotaro, KOJIMA Yoshihisa, KOIZUMI Toshio
    Title: Highly Regioselective Pd/C-Catalyzed Direct Arylation toward Thiophene-based π-Conjugated Polymers
    Journal: Polymer Chemistry, Vol. 6, pp. 881-885, RSC
    Year: 2015
  31. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: Solubility Switching of Fluorescent Polymer Films via Lewis Acid-Base Vapor Treatments
    Journal: Journal of Polymer Science Part A; Polymer Chemistry, Vol. 52, pp. 3142-3145, Wiley
    Year: 2014
  32. Authors: INAGI Shinsuke, KAIHATSU Noriyukki, HAYASHI Shotaro, FUCHIGAMI Toshio
    Title: Facile Synthesis of a Variety of Triarylamine-based Conjugated Polymers and Tuning of Their Optoelectronic Properties
    Journal: Synthetic Metals, Vol. 187, pp. 81-85
    Year: 2014
  33. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: From Thiopheneboroles to Boron-containing Conjugated Macromolecules via Electropolymerization
    Journal: Electrochemistry, Vol. 81, pp. 340-342, 電気化学会
    Year: 2013
  34. Authors: HAYASHI Shotaro, ASANO Atsushi, KOIZUMI Toshio
    Title: Trifluoroborate-modification of both pyridine and N-alkyldiarylamine-based π-conjugated polymer films: tuning the electronic communication and the mean conjugated length based on two types of nitrogen in the conjugated main segments
    Journal: RSC Advances, Vol. 3, pp. 7375-7380, RSC
    Year: 2013
  35. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: Two Synthetic Approaches from Di(thien-2-yl)-2,5-pyridine to a BF3-Modified Polymer Film
    Journal: Chemistry Letters, Vol. 41, pp. 979-981, CSJ
    Year: 2012
  36. Authors: HAYASHI Shotaro, NISHIOKA Noriyuki, NISHIYAMA Hironari, KOIZUMI Toshio
    Title: π-Conjugated Alternating Copolymer Based on the 3,5-Dinitro-9-fluorenone for Electron-Acceptor Type Materials
    Journal: Synthetic Metals, Vol. 162, pp. 1485-1489
    Year: 2012
  37. Authors: NISHIOKA Noriyuki, HAYASHI Shotaro, KOIZUMI Toshio
    Title: Pd(0)-Catalyzed Synthesis of Cross-Conjugated Polymers and Their Transformation to Linear-Conjugated Polymers by Diels-Alder Reaction
    Journal: Angewandte Chemie International Edition, Vol. 51, pp. 3682-3685, Wiley
    Year: 2012
  38. Authors: HAYASHI Shotaro, KOIZUMI Toshio
    Title: From Benzodiazaborole-based Compound to Donor-Acceptor Polymer via Electropolymerization
    Journal: Polymer Chemistry, Vol. 3, pp. 613-616, RSC
    Year: 2012
  39. Authors: Axel Kirste, HAYASHI Shotaro, Gregor Schnakenburg, Itamar M. Malkowsky, Florian Stecker, Andreas Fischer, FUCHIGAMI Toshio, Siegfrid R. Waldvogel
    Title: Highly Selective Electrosynthesis of Biphenoles on Graphite Electrodes in Fluorinated Media
    Journal: Chemistry: A European Journal, Vol. 17, pp. 14164-14169, Wiley
    Year: 2011
  40. Authors: HAYASHI Shotaro, ASANO Atsushi, KOIZUMI Toshio
    Title: Modification of Pyridine-based Conjugated Polymer Films via Lewis Acid: Halochromism, Characterization and Macroscopic Gradation Patterning
    Journal: Polymer Chemistry, Vol. 2, pp. 2764-2766, RSC
    Year: 2011
  41. Authors: HAYASHI Shotaro, INAGI Shinsuke, FUCHIGAMI Toshio
    Title: Efficient Electrochemical Polymer Halogenation using Thin Layered Cell
    Journal: Polymer Chemistry, Vol. 2, pp. 1632-1637, RSC
    Year: 2011
  42. Authors: INAGI Shinsuke, KOSEKI Kazuya, HAYASHI Shotaro, FUCHIGAMI Toshio
    Title: Electrochemical Tuning of the Optoelectronic Properties of a Fluorene-Based Conjugated Polymer
    Journal: Langmuir, Vol. 26, pp. 18631-18633, ACS
    Year: 2010
  43. Authors: HAYASHI Shotaro, INAGI Shinsuke, FUCHIGAMI Toshio
    Title: Macrostructural Order and Optical Properties of Polyfluorene-Based Polymer Film
    Journal: Polymer Journal, Vol. 42, pp. 771-775, NPG
    Year: 2010
  44. Authors: INAGI Shinsuke, HOSAKA Kenta, HAYASHI Shotaro, FUCHIGAMI Toshio
    Title: Solid-Phase Halogenation of a Conducting Polymer Film via Electrochemical Polymer Reaction
    Journal: Journal of the Electrochemical Society, Vol. 157, pp. E88-E91, ECS
    Year: 2010
  45. Authors: INAGI Shinsuke, Yamaguchi Takahiro, HAYASHI Shotaro, KOSEKI Kazuya, FUCHIGAMI Toshio
    Title: Electropolymerization of 9,9-Difluorofluorene in BF3-OEt2 toward a Photostable n-Type Material
    Journal: Electrochemistry Communications, Vol. 12, pp. 661-663
    Year: 2010
  46. Authors: HAYASHI Shotaro, INAGI Shinsuke, FUCHIGAMI Toshio
    Title: Electrochemical Modification of a Fluorene-Carbazole Alternating Copolymer toward a Novel Donor-Acceptor Type Conjugated Polymer
    Journal: Electrochemistry, Vol. 78, pp. 114-117, 電気化学会
    Year: 2010
  47. Authors: HAYASHI Shotaro, INAGI Shinsuke, FUCHIGAMI Toshio
    Title: Post-Functionalization of Poly(3-hexylthiophene) via Anodic Chlorination
    Journal: Synthetic Metals, Vol. 159, pp. 1792-1795
    Year: 2009
  48. Authors: INAGI Shinsuke, HAYASHI Shotaro, HOSAKA Kenta, FUCHIGAMI Toshio
    Title: Facile Functionalization of a Thiophene-Fluorene Alternating Copolymer via Electrochemical Polymer Reaction
    Journal: Macromolecules, Vol. 42, pp. 3881-3883, ACS
    Year: 2009
  49. Authors: HAYASHI Shotaro, INAGI Shinsuke, FUCHIGAMI Toshio
    Title: Synthesis of 9-Substituted Fluorene Copolymers via Chemical and Electrochemical Polymer Reaction and Their Optoelectronic Properties
    Journal: Macromolecules, Vol. 42, pp. 3755-3760, ACS
    Year: 2009
  50. Authors: INAGI Shinsuke, HAYASHI Shotaro, FUCHIGAMI Toshio
    Title: Electrochemical Polymer Reaction: Selective Fluorination of Poly(fluorene) Derivative
    Journal: Chemical Communications, Vol. 13, pp. 1718-1720, RSC
    Year: 2009
  51. Authors: ADACHI Kaoru, HONDA Satoshi, HAYASHI Shotaro, TEZUKA Yasuyuki
    Title: ATRP-RCM Synthesis of Cyclic Diblock Copolymers
    Journal: Macromolecules, Vol. 41, pp. 7898-7903, ACS
    Year: 2008
  52. Authors: HAYASHI Shotaro, ADACHI Kaoru, TEZUKA Yasuyuki
    Title: ATRP-RCM Synthesis of 8-Shaped Poly(methyl acrylate) via 4-Armed Star Telechelics
    Journal: Polymer Journal, Vol. 40, pp. 572-576, NPG
    Year: 2008
  53. Authors: HAYASHI Shotaro, ADACHI Kaoru, TEZUKA Yasuyuki
    Title: An Efficient Route to Cyclic Polymers by ATRP–RCM Process
    Journal: Chemistry Letters, Vol. 36, pp. 982-983, CSJ
    Year: 2007
Invited lectures
  1. , 2020/11/05
  2. , 2020/10/31
  3. , 2020/09/17
  4. , 2019/12/02
  5. , 2019/09/21
  6. , 2019/07/30
  7. , 2019/06/28
  8. , 2019/06/16
  9. , 2019/06/12
  10. , 2019/03/06
  11. , 2019/02/28
  12. , 2019/01/24
  13. , 2018/12/15
  14. , 2018/11/09
  15. , 2018/11/09
  16. , 2018/10/24
  17. , 2018/04/19
  18. Elastic Organic Crystal based on Fluorescent Molecule, International Congress on Pure & Applied Chemistry (ICPAC) 2018, Cambodia, 2018/03/10
  19. , 2017/11/10
  20. , 2017/06/13
  21. , 2016/04/23
  22. , 2015/11/12
  23. , 2015/09/19
  24. , 2015/09/15
  25. , 2013/08/02
Awards
  1. The 65th Polymer Research Presentation (Kobe) Young Scientist Lecture Award, 2019
  2. CSJ Presentation Award 2019 for Industries, 2019
  3. Award for Encouragement of Research in Polymer Science; the Society of Polymer Science, Japan, 2018
  4. JEMEA best poster award , 2018
  5. Polymer Materials Forum best presentation award; the Society of Polymer Science, Japan, 2017
  6. Yamazaki Award for Encouragement of Research, 2017
  7. Fourth grade award, 2016
  8. Award for Encouragement of Research, 2015
  9. Nippon Shokubai Co., Ltd. Award; Synthetic Organic Chemistry, Japan, 2015
  10. CSJ Presentation Award 2019 for Students, 2010

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Social activities

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