特別研究教員 小久保 尚

Hisashi KOKUBO

本学では2007年月より「助手」から「特別研究教員」に名称が変更になりました。

生年

1974

所属・職名

横浜国立大学大学院 工学研究院 機能の創生部門 

特別研究教員

学歴・職歴

2013−2014        豪州 Monash大学訪問研究員

2007現在        横浜国立大学大学院 工学研究院 特別研究教員

20042007        横浜国立大学大学院 工学研究院 助手

20032004        日本学術振興会特別研究員

19982003        東京工業大学総合理工学研究科物質電子化学専攻

19941998        東京理科大学理工学部工業化学科

19901993        神奈川県立柏陽高等学校

博士論文

遷移金属錯体を用いたポリチオフェン類の合成と

光学的・電気特性及び固体構造の評価

東京工業大学 (2003)

修士論文

ニッケルゼロ価錯体を用いるポリ(3-ヘキシルチオフェン)類の

合成と物性、及びスタッキングに関する研究

東京工業大学 (2000)

卒業論文

SeCN 系混合陰イオンTTF導体結晶の組成と構造と電気物性

東京理科大学 (1998)

所属学会

高分子学会電気化学会日本化学会イオン液体研究会

学会活動

2016現在 電気化学会  産官学フォーラム運営委員会委員

2014現在 イオン液体研究会サーキュラー編集委員

20142016 高分子学会  代議員

2013現在 高分子学会  関東支部湘南地区 幹事

2006現在 高分子学会 関東高分子若手研究会 世話人

                                                           2010年:世話人代表)

20092011 電気化学会  評議員

20072009 電気化学会  大会学術企画委員

20052009 電気化学会 関東支部 幹事

学会運営

● The 16th International Symposium on Polymer Electrolytes (ISPE-16)

June 24th−29th, 2018 @Yokohama Symposia (Yokohama)

Organizing Committee.

2015年電気化学会第82回大会,201531517 @横浜国立大学

実行委員

The 6th International Symposium on Organic Photochromism (ISOP2010)

Oct. 17th21st, 2010 @Nisseki Yokohama Hall (Yokohama).

Organizing Committee.

International Conference on Science and Technology of Synthetic Metals

 2010  (ICSM2010)

Jul. 4th9th, 2010 @Kyoto International Conference Center (Kyoto).

National organizing Committee & Program Committee.

The 4th International Conference on Polymer Batteries and Fuel Cells

(PBFC2009) Aug. 2nd6th, 2009 @Yokohama Symposia (Yokohama).

Local Executive Committee.

2nd International Congress on Ionic Liquids (COIL-2)

Aug. 5th10th, (2007) @Pacifico Yokohama (Yokohama).

Local Executive Committee.

International Symposium of Task-Specific Ionic Liquids

Aug. 3rd4th, (2007) @Keio University (Yokohama).

Organizing Committee.

受賞

  2009  高分子研究奨励賞(高分子学会)

 


原著論文

 (Google Scholar)

50

“Physicochemical Characterization of a Photoinduced Sol−Gel Transition of an Azobenzene-Containing ABA Triblock Copolymer/Ionic Liquid System”

X. Ma, R. Usui, Y. Kitazawa, R. Tamate, H. Kokubo, M. Watanabe

Macromolecules, 50, in press (2017).

49

“Micellization/Demicellization Self-Assembly Change of ABA Triblock Copolymers Induced by a Photoswitchable Ionic Liquid with a Small Molecular Trigger”

C. Wang, K. Hashimoto, J. Zhang, Y. Kobayashi, H. Kokubo, M. Watanabe

Macromolecules, 50, 5377−5384 (2017).

48

“Tetra-PEG Network Containing Ionic Liquid Synthesized via Michael Addition Reaction and Its Application to Polymer Actuator”

S. Ishii, H. Kokubo, K. Hashimoto, S. Imaizumi, M. Watanabe

Macromolecules, 50, 2906−2915 (2017).

47

“A Polymer Electrolyte Containing Solvate Ionic Liquid with Increased Mechanical Strength Formed by Self-assembly of ABA-type Ionomer Triblock Copolymer”

T. Kawazoe, K. Hashimoto, Y. Kitazawa, H. Kokubo, M. Watanabe

Electrochim. Acta, 235, 287−294 (2017).

46

“From Macromolecular to Small-molecular Triggers: Facile Method Towards Photoinduced LCST Phase Behavior of Thermoresponsive Polymers in Mixed Ionic Liquids Containing an Azobenzene Moiety”

C. Wang, X. Ma, Y. Kitazawa, Y. Kobayashi, S. Zhang, H. Kokubo, M. Watanabe

Macromol. Rapid Commun., 37, 1960−1965 (2016).

45

“Self-assembly of Polyether Diblock Copolymers in Water and Ionic Liquids”

Y. Kobayashi, Y. Kitazawa, T. Komori, K. Ueno, H. Kokubo, M. Watanabe

Macromol. Rapid Commun., 37, 1207−1211 (2016).

44

“Photo-healable ion gel with improved mechanical properties using a tetra-arm diblock copolymer containing azobenzene groups”

X. Ma, R. Usui, Y. Kitazawa, H. Kokubo, M. Watanabe

Polymer, 78, 42−50 (2015).

43

“Temperature and light-induced self-assembly changes of a tetra-arm diblock copolymer in an ionic liquid”

X. Ma, R. Usui, Y. Kitazawa, H. Kokubo, M. Watanabe

Polym. J., 47, 739−749 (2015).

42

“Effects of Carbon Electrode Materials on Performance of Ionic Polymer Actuators Having Electric Double-Layer Capacitor Structure”

H. Kokubo, T. Honda, S. Imaizumi, K. Dokko, M. Watanabe

Electrochemistry, 81, 849−852 (2013).

41

Thermoreversible Nanogel Shuttle between Ionic Liquid and Aqueous Phases”

T. Ueki, S. Sawamura, Y. Nakamura, Y. Kitazawa, H. Kokubo, M. Watanabe

Langmuir, 29, 13661−13665 (2013).

40

“Printable Polymer Actuators from Ionic Liquid, Soluble Polyimide, and Ubiquitous Carbon Materials”

S. Imaizumi, Y. Ohtsuki, T. Yasuda, H. Kokubo, M. Watanabe

ACS Appl. Mater. Interfaces, 5, 6307−6315 (2013).

39

“Alternating copolymer based on sulfonamide-substituted phenylmaleimide and vinyl monomers as polymer electrolyte membrane”

T. Yasuda, Y. Okimura, A. Oishi, H. Kokubo, M. Watanabe

J. Polym. Sci.: A: Polym. Chem., 51, 2233−2242 (2013).

38

“Driving Mechanisms of Ionic Polymer Actuators Having Electric Double Layer Capacitor Structures”

S. Imaizumi, Y. Kato, H. Kokubo, M. Watanabe

J. Phys. Chem. B, 116, 5080−5089 (2012).

37

“Polymer Actuators Using Ion-Gel Electrolytes Prepared by Self-Assembly of ABA-Triblock Copolymers”

S. Imaizumi, H. Kokubo, M. Watanabe

Macromolecules, 45, 401−409 (2012).

36

"p-Conjugated Polymers, (Th(R)−CH=CH−Th(R))n (Th(R) = 3-Alkylthiophene-2,5-diyl; R = Octyl, Decyl, and Dodecyl): Preparation of Dibromo Monomers and the Polymers”

T. Yamamoto, A. Kumagai, H. Kokubo, Y. Nakamura

Bull. Chem. Soc. Jpn., 84, 1291−1293 (2011).

35

“Structural effects of polyethers and ionic liquids in their binary mixtures on lower critical solution temperature liquid-liquid phase separation”

K. Kodama, R. Tsuda, K. Niitsuma, T. Tamura, T. Ueki, H. Kokubo, M. Watanabe

Polym. J., 43, 242−248 (2011).

34

“Photoisomerization-Induced Tunable LCST Phase Separation of Azobenzene-Containing Polymers in an Ionic Liquid”

T. Ueki, A. Yamaguchi, N. Ito, K. Kodama, J. Sakamoto, K. Ueno, H. Kokubo, M. Watanabe

Langmuir, 25, 8845−8848 (2009).

33

“Two-photon excited states in charge-transfer type conjugated polymers”

H. Kishida, K. Hirota, H. Okamoto, H. Kokubo, T. Yamamoto

Synth. Met., 159, 868−870 (2009).

32

“Development of a soft actuator using a photocurable ionic gel”

S. Saito, Y. Katoh, H. Kokubo, M. Watanabe, S. Maruo

J. Micromech. Microengin., 19, 035005/1−035005/5 (2009).

31

“Lower Critical Solution Temperature Phase Behavior of Linear Polymers in Imidazolium-Based Ionic Liquids: Effects of Structural Modifications”

K. Kodama, H. Nanashima, T. Ueki, H. Kokubo, M. Watanabe

Langmuir, 25, 3820−3824 (2009).

30

“Anionic polymerization of methyl methacrylate in an ionic liquid”

H. Kokubo, M. Watanabe

Polym. Adv. Technol., 19, 1441−1444 (2008).

29

“LCST-type liquid-liquid phase separation behaviour of poly(ethylene oxide) derivatives in an ionic liquid”

R. Tsuda, K. Kodama, T. Ueki, H. Kokubo, S. Imabayashi, M. Watanabe

Chem. Commun., 2008, 4939−4941.

28

“Continuous control of third-order optical nonlinearity in charge-transfer type conjugated polymers”

H. Kishida, K. Hirota, H. Okamoto, H. Kokubo, T. Yamamoto

Appl. Phys. Lett., 39, 033309/1−033309/3 (2008).

27

“p-Doping behavior of oligothiophenes and effect of trifluoroacetic acid concentration”

M. Imit, T. Yamamoto, H. Kokubo, P. Imin

Cailiao Kexue Yu Gongcheng Xuebao, 25, 40−42, (2007).

26

“Effect of Core-Shell Micelle Formation on the Redox Properties of Phenothiazine-Labeled Poly(ethyl glycidyl ether)-block-Poly(ethylene oxide)”

R. Tsuda, S. Kaino, H. Kokubo, S. Imabayashi, M. Watanabe

Colloid and Surfaces B, Biointerfaces, 56, 255−259 (2007).

25

“Electron-nuclear double-resonance observation of spatial extent of polarons in polythiophene and poly(3-alkylthiophene)

S. Kuroda, K. Marumoto, T. Sakanaka, N. Takeuchi, Y. Shimoi, S. Abe, H. Kokubo, T. Yamamoto

Chem. Phys. Lett., 435, 273277 (2007).

24

“Synthesis of New Thiophene-Based p-Conjugated Polymers for Investigation of Molecular Alignment on the Surface of Platinum Plate”

H. Kokubo, T. Sato, T. Yamamoto

Macromolecules, 39, 3956−3963 (2006).

23

“イオン液体およびイオンゲル中の特異的電荷輸送とその材料科学的重要性”

川野竜司、徳田浩之、片伯部 貫、中本博文、小久保 尚、今林慎一郎、渡邉正義

高分子論文集(総合論文), 63, 3140 (2006).

22

“Third-order optical nonlinearity in regio-controlled polythiophene films.”

H. Kishida, K. Hirota, T. Wakabayashi, H. Okamoto, H. Kokubo, T. Yamamoto

Appl. Phys. Lett., 87, 121902/1121902/3 (2005).

21

“Synthesis of 3-Alkynyl-2,5-dibromothiophene and 3,3’Dialkynyl-5,5’-dibromo-2,2’-bithiophene as the Starting Compounds for p-Conjugated Polymer”

T. Sato, H. Kokubo, H. Fukumoto, T. Yamamoto

Bull. Chem. Soc. Jpn., 78, 1368−1370 (2005).

20

“Molecular Alignment of n-Alkanes and Head-to-Tail-Type Poly(3-alkylthiophene) on Substrates: Study with Films Prepared by Casting and Vacuum Deposition”

H. Kokubo, T. Sato, T. Yamamoto

Mol. Cryst. Liq. Cryst., 432, 83−100 (2005).

19

“Third-order nonlinear optical spectroscopy in charge-transfer type conjugated polymers”

H. Kishida, K. Hirota, T. Wakabayashi, H. Okamoto, B.-L. Lee, H. Kokubo, T. Yamamoto

Synth. Met., 153, 141−144 (2005).

18

“Heteroaromatic and aromatic conjugated polymers synthesized by organometallic coupling - preparation and selected electrochemical properties.”

T. Yamamoto, H. Kokubo

Electrochim. Acta, 50, 1453−1460 (2005).

17

“Third-order optical nonlinearity in charge-transfer type conjugated polymer”

H. Kishida, K. Hirota, T. Wakabayashi, B.-L. Lee, H. Kokubo, T. Yamamoto, H. Okamoto

Phys. Rev. B, 70, 115205−1/5 (2004).

16

“Alignment and Field-effect Transistor Behavior of an Alternative p-Conjugated Copolymer of Thiophene and 4-Alkylthiazole”

T. Yamamoto, H. Kokubo, M. Kobashi, Y. Sakai

Chem. Mater., 16, 4616−4618 (2004).

15

“Electrochemical behavior of poly(3-hexylthiophene). Controlling factors of electric current in electrochemical oxidation of poly(3-hexylthophene)s in a solution”

T. Yamamoto, Y. Honda, T. Sato, H. Kokubo

Polymer, 45, 1735−1738 (2004).

14

“Preparation of New Main-Chain Type Polyanthraquinones. Chemical Reactivity, Packing Structure, Piezochromism, Conductivity, and Liquid Crystalline and Photonic Properties of the Polymers”

T. Yamamoto, Y. Muramatsu, B.-L. Lee, H. Kokubo, S. Sasaki, M. Hasegawa, T. Yagi, K. Kubota

Chem. Mater., 15, 4384−4393 (2003).

13

“Purification of Head-to-Tail-Type Regioregular Poly(3-hexylthiophene), HT-P3HexTh, and Investigation of the Effects of Polymer Purity on the Performance of Organic Field-Effect Transistors”

H. Kokubo, T. Yamamoto, H. Kondo, Y. Akiyama, I. Fujimura

Jpn. J. Appl. Phys., 42, 6627−6628 (2003).

12

“Copolymers of Thiophene and Thiazole. Regioregulation in Synthesis, Stacking Structure, and Optical Properties”

T. Yamamoto, M. Arai, H. Kokubo, S. Sasaki

Macromolecules, 36, 7986−7993 (2003).

11

“Synthesis of a New Thiophene/Quinoxaline CT-Type Copolymer with High Solubility and Its Basic Optical Properties”

T. Yamamoto, B.-L. Lee, H. Kokubo, H. Kishida, K. Hirota, T. Wakabayashi, H. Okamoto

Macromol. Rapid Commun., 24, 440−443 (2003).

10

“Comparison of the Organometallic Copolymerizations of Thiophene with 4-Alkylthiazole and 3-Alkylthiophene: The Control of Regioregularity in the Copolymerization with 4-Alkylthiazole”

T. Yamamoto, M. Arai, H. Kokubo, S. Sasaki

J. Polym. Sci.: Part A: Polym. Chem., 41, 1449−1453 (2003).

9

“Molecular Alignment of Neutral and p-Doped Head-to-Tail Type Poly(3-hexylthiophene-2,5-diyl) and n-Alkanes on the Surface of Substrates”

T. Yamamoto, H. Kokubo

Mol. Cryst. Liq. Cryst., 381, 113−119 (2002).

8

“Preparation, structure and conduction properties of SeCN-containing mixed anion TTF conductors”

M. Mizuno, H. Kokubo, K. Honda

J. Mater. Chem., 11, 2192−2198 (2001).

7

“Molecular Alignment of Head-to-Tail-Type Poly(3-hexyl-thiophene-2,5-diyl) and Related Polymers and Compounds on Substrates”

T. Yamamoto, H. Kokubo, T. Morikita

J. Polym. Sci.: Part B: Polym. Phys., 39, 1713−1718 (2001).

6

“Organometallic Syntheses of Head-to-Head Poly(3-hexylthiophene) and Related Polymer with a Spacing Non-Substituted Thiophene Unit. Colloidal Solutions of the Polymers”

H. Kokubo, T. Yamamoto

Macromol. Chem. Phys., 202, 1031−1034 (2001).

5

“Electrochemical Deposition of Regioregular Head-to-Tail Poly(3-hexylthiophene-2,5-diyl) and Characterization of the Obtained Film”

H. Kokubo, S. Kuroda, S. Sasaki, T. Yamamoto

Jpn. J. Appl. Phys., 40, L228−L230 (2001).

4

p-Conjugated Polymers Prepared by Organometallic Polycondensation and Metal Complexes of the Polymers”

T. Yamamoto, H. Nakajima, N. Hayashida, K. Shiraishi H. Kokubo

Polym. Adv. Technol., 11, 658−664 (2000).

3

“Selective Stacking of HT-Poly(3-n-alkylthiophene-2,5-diyl)s in Mixed Systems”

T. Yamamoto, H. Kokubo

J. Polym. Sci.: Part B: Polym. Phys., 38, 84−87 (2000).

2

“Electrochemical Deposition of Films of p-Doped Regioregular Poly(3-hexylthiophene-2,5-diyl)”

T. Yamamoto, H. Kokubo

Chem. Lett., 1925−1926 (1999).

1

“Preparation and Properties of Mixed Anion TTF Conductors”

M. Mizuno, K. Honda, H. Nakayama, H. Kokubo, T. Uchida

Synth. Met., 103, 2138−2139 (1999).

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国際会議発表論文

  2

Materials for Polymer-Ion-Gel-Actuator Containing Ionic Liquid

T. Honda, H. Kokubo, M. Watanabe

Proceedings of 1st International Symposium on Next-Generation Actuators Leading Breakthroughs, MEXT Grant-in-Aid for Scientific Research on Priority Areas, No. 438, 135138 (2006).

  1

Third-harmonic generation in CT-Type conjugated polymers

H. Kishida, H. Okamoto, B.-L. Lee, H. Kokubo, T. Yamamoto

IUMRS-ICAM 2003 (Trans. MRS-J vol. 29). 981984 (2004).

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解説

  1

小久保、渡邉 「イオン液体 〜イオンのみから成る揮発しない液体〜」化学と教育, 60, 124125 (2012).

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著書

5

K. Asaka Ed, M. Watanabe, S. Imaizumi, T. Yasuda, H. Kokubo “Soft Actuators: Materials, Modeling, Applications, and Future Perspectives”, Ionic Gels; Electric-Driven Soft Actuators, Springer, (2014). 分担

4

入江、関 監修、小久保、上木、渡邉「フォトクロミズムの新展開と光メカニカル機能材料」第2 新規・高性能フォトクロミック系 8 イオン液体を利用した光誘起型高分子材料の創出と高機能化、シーエムシー出版、(2011). 分担

3

樋口、大岡 監修、小久保 尚「アクチュエータ研究開発の最前線」第2 アクチュエータ研究の最前線と実用事例,第5 高分子のゲル化挙動を利用したイオンゲルアクチュエータ材料、エヌ・ティー・エス (2011). 分担

2

Higuchi, Suzumori, Tadokoro, Ed., Hisashi Kokubo “Next-Generation Actuators Leading Breakthroughs”, Chapter 27 Development of a Polymer Actuator Utilizing Ion-Gel as Electrolyte, Springer, (2010). 分担

1

実用精密位置決め技術辞典編集委員会編、小久保 尚「実用精密位置決め技術辞典」第4章 アクチュエータ, 5 高分子アクチュエータ、産業技術サービスセンター (2008). 分担

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