「ボトムアップ型」金属錯体ナノシートの原子層科学：共同研究によるデバイス化の推進

• Project Area: Science of Atomic Layer Systems
• Project/Area Number: 16H00900
• Research Category: Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: The University of Tokyo
• Principal Investigator: 坂本 良太 東京大学, 大学院理学系研究科(理学部), 助教 (80453843)
• Project Period (FY): 2016-04-01 – 2018-03-31
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000); Fiscal Year 2017: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000); Fiscal Year 2016: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
• Keywords: ナノシート / 金属錯体 / ジピリン / テルピリジン / 錯体 / 界面 / ナノ材料 / 原子層物質 / 低次元系 / エレクトロニクス

Outline of Annual Research Achievements

分子性ナノシートの豊富なバリエーションの実証と機能へのフィードバックとして, ジピリン亜鉛錯体ナノシートとテルピリジン金属錯体ナノシートを取り扱った. 前者については2015年に筆者が報告した光電変換機能の増強のデモンストレーションを目的に, 具体的には, 自身優れた色素であるポルフィリンを組み込んだ碁盤格子ナノシートの構築を行った. 光電変換能を評価したところ, 変換量子収率, 光応答範囲がそれぞれ0.86%から2.02%, 450-550 nmから400-650 nmにそれぞれ既報から改善された. 後者に関して, Fe2+又はCo2+を有するテルピリジン金属錯体ナノシート積層体が, 固体化エレクトロクロミックデバイスの活物質として利用可能であることを2015年に実証したが, 本研究ではレドックス特性に代わり光特性の獲得を目指しZn2+類縁体を創製した. 紫外光照射により青色発光を示す無色透明の大面積ナノシート積層体を構築し, ナノシート骨格のカチオン性を利用し, アニオン交換による発光性色素分子の導入を行った. この複合体に紫外光を照射すると色素分子からの赤色発光がナノシートからの青色発光を凌駕し, ナノシートから色素分子へほぼ定量的に光エネルギーが伝達されることが確かめられた. 人工光合成や太陽光発電などに応用可能な, 光エネルギーを効率よく捕集・伝達するナノシートとしての利用が見込まれる.

Research Progress Status

平成29年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

平成29年度が最終年度であるため、記入しない。

Research Products

• [Int'l Joint Research] Hong Kong Baptist University(中国)
• [Int'l Joint Research] University of Bordaux(フランス)
• [Int'l Joint Research] Hong Kong Baptist University/Hong Kong Polytechnic University(中国香港)
• [Journal Article] Expansion of the Graphdiyne Family: A Triphenylene-Cored Analogue (2018)
  • Author(s): Matsuoka Ryota、Toyoda Ryojun、Shiotsuki Ryo、Fukui Naoya、Wada Keisuke、Maeda Hiroaki、Sakamoto Ryota、Sasaki Sono、Masunaga Hiroyasu、Nagashio Kosuke、Nishihara Hiroshi
  • Journal Title: ACS Applied Materials & Interfaces Volume: 10 Issue: 3 Pages: 2730-2733
  • DOI: 10.1021/acsami.8b00743
  • Peer Reviewed
• [Journal Article] A pyrazine-incorporated graphdiyne nanofilm as a metal-free electrocatalyst for the hydrogen evolution reaction (2018)
  • Author(s): Sakamoto Ryota、Shiotsuki Ryo、Wada Keisuke、Fukui Naoya、Maeda Hiroaki、Komeda Joe、Sekine Ryosuke、Harano Koji、Nishihara Hiroshi
  • Journal Title: Journal of Materials Chemistry A Volume: 6 Issue: 44 Pages: 22189-22194
  • DOI: 10.1039/c8ta07347c
  • Peer Reviewed
• [Journal Article] Three-dimensional graphdiyne as a topological nodal-line semimetal (2018)
  • Author(s): Takafumi Nomura, Tetsuro Habe, Ryota Sakamoto, Mikito Koshino
  • Journal Title: Physical Review Materials Volume: 2 Issue: 5 Pages: 054204-054204
  • DOI: 10.1103/physrevmaterials.2.054204
  • Peer Reviewed
• [Journal Article] Oxidation-Promoted Interfacial Synthesis of Redox-Active Bis(diimino)nickel Nanosheet (2018)
  • Author(s): Eunice J H Phua, Kuo-Hui Wu, Keisuke Wada, Tetsuro Kusamoto, Hiroaki Maeda, Jian Cao, Ryota Sakamoto, Hiroyasu Masunaga, Sono Sasaki, Jia-Wei Mei, Wei Jiang, Feng Liu, Hiroshi Nishihara
  • Journal Title: Chemistry Letters Volume: 47 Issue: 2 Pages: 126-129
  • DOI: 10.1246/cl.170928
  • NAID: 130006337769
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Bis(aminothiolato)nickel nanosheet as a redox switch for conductivity and an electrocatalyst for the hydrogen evolution reaction (2017)
  • Author(s): Sun Xinsen、Wu Kuo-Hui、Sakamoto Ryota、Kusamoto Tetsuro、Maeda Hiroaki、Ni Xiaojuan、Jiang Wei、Liu Feng、Sasaki Sono、Masunaga Hiroyasu、Nishihara Hiroshi
  • Journal Title: Chemical Science Volume: 8 Issue: 12 Pages: 8078-8085
  • DOI: 10.1039/c7sc02688a
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Conducting π-Conjugated Bis(iminothiolato)nickel Nanosheet (2017)
  • Author(s): Xinsen Sun, Kuo-Hui Wu, Ryota Sakamoto, Tetsuro Kusamoto, Hiroaki Maeda, Hiroshi Nishihara
  • Journal Title: Chemistry Letters Volume: 46 Issue: 8 Pages: 1072-1075
  • DOI: 10.1246/cl.170382
  • NAID: 130005906987
  • Peer Reviewed
• [Journal Article] A simple zinc (ii) complex that features multi-functional luminochromism induced by reversible ligand dissociation (2017)
  • Author(s): Takamasa Tsukamoto, Risa Aoki, Ryota Sakamoto, Ryojun Toyoda, Masaki Shimada, Yohei Hattori, Mizuki Asaoka, Yasutaka Kitagawa, Eiji Nishibori, Masayoshi Nakano, Hiroshi Nishihara
  • Journal Title: Chemical Communications Volume: 53 Issue: 35 Pages: 3657-3660
  • DOI: 10.1002/chem.201700201
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Coordination Nanosheets Based on Terpyridine-zinc(II) complexes: As Photoactive Host Materials (2017)
  • Author(s): Takamasa Tsukamoto, Kenji Takada, Ryota Sakamoto, 他18名
  • Journal Title: J. Am. Chem. Soc. Volume: 139 Issue: 15 Pages: 5359-5366
  • DOI: 10.1021/jacs.6b12810
  • Peer Reviewed
• [Journal Article] Photofunctionality in Porphyrin-Hybridized Bis(dipyrrinato)zinc(II) Complex Micro- and Nanosheets (2017)
  • Author(s): *Ryota Sakamoto, Toshiki Yagi, Ken Hoshiko, Shinpei Kusaka, Ryota Matsuoka, Hiroaki Maeda, Zheng Liu, Qian Liu, *Wai-Yeung Wong, *Hiroshi Nishihara
  • Journal Title: Angew. Chem. Int. Ed. Volume: 56 Issue: 13 Pages: 3526-3530
  • DOI: 10.1002/anie.201611785
  • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
• [Journal Article] Crystalline Graphdiyne Nanosheets Produced at a Gas/Liquid or Liquid/Liquid Interface (2017)
  • Author(s): Ryota Matsuoka, *Ryota Sakamoto, Ken Hoshiko, Sono Sasaki, Hiroyasu Masunaga, Kosuke Nagashio, *Hiroshi Nishihara
  • Journal Title: J. Am. Chem. Soc. Volume: 139 Issue: 8 Pages: 3145-3152
  • DOI: 10.1021/jacs.6b12776
  • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
• [Journal Article] A simple zinc(II) complex that features multi‐functional luminochromism induced by reversible ligand dissociation (2017)
  • Author(s): Takamasa Tsukamoto, Risa Aoki, Ryota Sakamoto, Ryojun Toyoda, Masaki Shimada, Yohei Hattori, Mizuki Asaoka, Yasutaka Kitagawa, Eiji Nishibori, Masayoshi Nakano, Hiroshi Nishihara
  • Journal Title: Chem. Commun. Volume: 53 Issue: 26 Pages: 3657-3660
  • DOI: 10.1039/c6cc10190a
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Interfacial synthesis of electrofunctional coordination nanowires and nanosheets of bis(terpyridine) complexes (2017)
  • Author(s): Hiroaki Maeda, Ryota Sakamoto, *Hiroshi Nishihara
  • Journal Title: Coord. Chem. Rev. Volume: 印刷中 Pages: 139-149
  • DOI: 10.1016/j.ccr.2017.02.013
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Bis(dipyrrinato)zinc(II) Complexes: Emission in the Solid State (2016)
  • Author(s): M. Tsuchiya, R. Sakamoto, M. Shimada, Y. Yamanoi, Y. Hattori, K. Sugimoto, E. Nishibori, H. Nishihara
  • Journal Title: Inorg. Chem. Volume: 55 Issue: 12 Pages: 5732-5734
  • DOI: 10.1021/acs.inorgchem.6b00431
  • Peer Reviewed
• [Journal Article] Electron Transport of Bis(terpyridine)iron(II) Complex Wire on a Semiconducting Electrode (2016)
  • Author(s): Hiroaki Maeda, Ryota Sakamoto, Hiroshi Nishihara
  • Journal Title: J. Electroanal. Chem. Volume: 779 Pages: 112-116
  • DOI: 10.1016/j.jelechem.2016.04.027
  • Peer Reviewed / Acknowledgement Compliant
• [Presentation] New Aspects in Dipyrrin-Metal Complexes: From Molecular Science to Low-Dimensional Molecular Assemblies (2016)
  • Author(s): Ryota Sakamoto
  • Organizer: International Symposium on Pure & Applied Chemistry (ISPAC) 2016
  • Int'l Joint Research / Invited
• [Book] 二次元物質の科学 (2017)
  • Author(s): 日本化学会
  • Total Pages: 224
  • Publisher: 化学同人
  • ISBN: 9784759813852