A04 中嶋琢也

中嶋琢也		計画 A04
所　属	奈良先端科学技術大学院大学物質創成科学研究科
役　職	准教授
連絡先	ntaku@ms.naist.jp
研究室HP	http://mswebs.naist.jp/LABs/kawai/index.html
研究課題	表面配位に基づく非対称ナノ粒子システムの構築と光・電子機能開拓
研究組織	連携研究者：河合壯（奈良先端科学技術大学院大学物質創成科学研究科・教授）
研究内容	金属・半導体ナノ粒子表面は、無機結晶最表面の金属元素と表面配位子からなる金属錯体が界面に沿って異方集積した配位空間を与える。本研究では、ナノ粒子表面配位子～秩序性溶媒和構造を含めた拡張配位圏のアシンメトリー設計を通じて、ナノ結晶コア～表面局在の配位空間～ナノ粒子自己集合体のマルチスケールにおける階層的な構造非対称化法を確立し、非対称集積電子系特有の電子・光学機能を開拓することを目的とする。具体的には、キラル配位子設計を通じた、ナノ粒子コアの非対称合成、およびナノ粒子表面配位空間における配位子間キラル相互作用の誘起とキラル光学特性（円偏光発光）の発現について検討する。さらに、表面配位空間とナノ粒子の電子系カップリングとその非対称化を進め、キラル光学特性や光反応（触媒：キラル光反応）などの光・電子機能の開拓を推進する。
専門分野	コロイド・界面科学、光化学、高分子化学、機能物質化学
研究キーワード	キラルナノ粒子、ナノ粒子自己集合、量子ドット、円偏光発光

研究業績

2020

[16] Enhanced Enantioselectivity in the Synthesis of Mercury Sulfide Nanoparticles through Ostwald Ripening,
Jumpei Kuno; Kazuhiro Miyake; Shohei Katao; Tsuyoshi Kawai; Takuya Nakashima, Chem. Mater., 32, 19, 8412 – 8419, 2020
DOI: 10.1021/acs.chemmater.0c02409.

[15] Solvation of Quantum Dots in 1-Alkyl-1-Methylpyrrolidinium Ionic Liquids: toward Stably Luminescent Composites,
Takuya Nakashima; Kasumi Shigekawa; Shohei Katao; Fumio Asanoma; Tsuyoshi Kawai, Sci. Technol. Adv. Mater., 21, 187 – 194, 2020
DOI: 10.1080/14686996.2020.1735923.

[14] Impact of Enantiomeric Ligand Composition on the Photophysical Properties of Chiral Ag₂₉ Nanoclusters,
Hiroto Yoshida; Jatish Kumar; Masahiro Ehara; Yasuo Okajima; Fumio Asanoma; Tsuyoshi Kawai; Takuya Nakashima, Bull. Chem. Soc. Jpn., 93, 7, 834 – 840, 2020
DOI: 10.1246/bcsj.20200089.

[13] Enantioseparation and chiral induction in Ag₂₉ nanoclusters with intrinsic chirality,
Hiroto Yoshida; Masahiro Ehara; U. Deva Priyakumar; Tsuyoshi Kawai; Takuya Nakashima, Chem. Sci., 11, 2394 – 2400, 2020
DOI: 10.1039/c9sc05299b.

2019

[12] Pressure-Dependent Guest Binding and Release on a Supramolecular Polymer,
Shumpei Yonezawa; Ramarani Sethy; Gaku Fukuhara; Tsuyoshi Kawai; Takuya Nakashima, Chem. Commun., 55, 5793 – 5796, 2019
DOI: 10.1039/c9cc02696g.

2018

[11] Inversion of Optical Activity in the Synthesis of Mercury Sulfide Nanoparticles: Role of Ligand Coordination,
Jumpei Kuno; Yutaka Imamura; Michio Katouda; Motomichi Tashiro; Tsuyoshi Kawai; Takuya Nakashima, Angew. Chem. Int. Ed., 57, 12022 – 12026, 2018
DOI: 10.1002/anie.201807191.

[10] Dynamic Modulation of Circularly Polarized Luminescence in Photoresponsive Assemblies,
Yuichiro Hashimoto; Takuya Nakashima; Jumpei Kuno; Miku Yamada; Tsuyoshi Kawai, ChemNanoMat, 4, 815 – 820, 2018
DOI: 10.1002/cnma.201800124.

[9] Impact of Optical Purity on the Light Harvesting Property in Supramolecular Nanofibers,
Ramarani Sethy; Rémi Métivier; Arnaud Brosseau; Tsuyoshi Kawai; Takuya Nakashima, J. Phys. Chem. Lett., 9, 4516 – 4521, 2018
DOI: 10.1021/acs.jpclett.8b02015.

[8] Hierarchical Emergence and Dynamic Control of Chirality in a Photoresponsive Dinuclear Complex,
Yuichiro Hashimoto; Takuya Nakashima; Miku Yamada; Junpei Yuasa; Gwénaël Rapenne; Tsuyoshi Kawai, J. Phys. Chem. Lett., 9, 2151 – 2157, 2018
DOI: 10.1021/acs.jpclett.8b00690.

2017

[7] Enantioselective Light Harvesting with Perylenediimide Guests on Self-Assembled Chiral Naphthalenediimide Nanofibers,
Ramarani Sethy; Jatish Kumar; Rémi Métivier; Marine Louis; Keitaro Nakatani; Nila Mohan Thazhe Mecheri; Akhila Subhakumari; K. George Thomas; Tsuyoshi Kawai; Takuya Nakashima, Angew. Chem. Int. Ed., 56, 15053 – 15057, 2017
DOI: 10.1002/anie.201707160.

[6] Amphiphilic Self-Assembly of Semiconductor Nanocrystals with Heterogeneous Compositions,
Yuki Taniguchi; Takao Takishita; Yusei Kobayashi; Noriyoshi Arai; Tsuyoshi Kawai; Takuya Nakashima, Europhys. Lett., 118, 68001, 2017
DOI: 10.1209/0295-5075/118/68001.

[5] Programmed Self-Assembly of Branched Nanocrystals with an Amphiphilic Surface Pattern,
Yuki Taniguchi; Muhammad Adli Bin Sazali; Yusei Kobayashi; Noriyoshi Arai; Tsuyoshi Kawai; Takuya Nakashima, ACS Nano, 11, 9312 – 9320, 2017
DOI: 10.1021/acsnano.7b04719.

[4] Effect of Surface Ligands on the Optical Activity of Mercury Sulfide Nanoparticles,
Jumpei Kuno; Tsuyoshi Kawai; Takuya Nakashima, Nanoscale, 9, 11590 – 11595, 2017
DOI: 10.1039/C7NR02603J.

[3] Circularly Polarized Luminescence in Chiral Silver Nanoclusters,
Jatish Kumar; Tsuyoshi Kawai; Takuya Nakashima, Chem. Commun., 53, 1269 – 1272, 2017
DOI: 10.1039/C6CC09476G.

2016

[2] Chiral Supramolecular Polymerization Leading to Eye Differentiable Circular Polarization in Luminescence,
Jatish Kumar; Betsy Marydasan; Takuya Nakashima; Tsuyoshi Kawai; Junpei Yuasa, Chem. Commun., 52, 9885 – 9888, 2016
DOI: 10.1039/c6cc05022k.

[1] Stereoselective Photoreaction in P-Stereogenic Dithiazolylbenzo[b]phosphole Chalcogenides,
Shunsuke Iijima; Takuya Nakashima; Tsuyoshi Kawai, New. J. Chem., 40, 10048 – 10055, 2016
DOI: 10.1039/C6NJ02446G .