Supramolecularly Engineered Construction of Metastable Molecular Assemblies toward Creation of Mechanoresponsive Soft Materials
| Project/Area Number |
24685022
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Partial Multi-year Fund |
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| Research Field |
Functional materials chemistry
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| Research Institution | Chiba University |
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Principal Investigator |
YAGAI Shiki 千葉大学, 工学(系)研究科(研究院), 准教授 (80344969)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥26,780,000 (Direct Cost: ¥20,600,000、Indirect Cost: ¥6,180,000)
Fiscal Year 2014: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2013: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2012: ¥20,280,000 (Direct Cost: ¥15,600,000、Indirect Cost: ¥4,680,000)
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| Keywords | 分子集合体 / 刺激応答性 / 準安定構造 / 発光材料 / 両親媒性 / 機械的刺激 / インクジェット / π電子系材料 / メカノクロミズム / 金錯体 / 刺激応答性材料 / 自己組織化 / 液晶 / 刺激応答 / ソフトマテリアル / 超分子 / プローブ顕微鏡 |
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| Outline of Final Research Achievements |
Organic materials that exhibit tunable luminescence in the solid state under external mechanical stimuli have potential applications in sensors and imaging devices. However, no rational designs have been proposed that impart these mechano-responsive luminescent properties to π-conjugated compounds. In this study we demonstrated a strategy for mechano-responsive luminescent materials by imparting amphiphilic and dipolar characteristics to a luminescent π-conjugated system. The π-conjugated luminophore with a didodecylamino group at one end and a tri(ethylene glycol) ester group at the other end afforded segregated solid structures by separately aggregating its hydrophobic and hydrophilic moieties. In the segregated structures the molecules are aligned in the same direction, thereby generating a conflict between dipole moment between the neighboring molecules. As a result, these metastable solid structures can be transformed through mechanical stimulation to a more stable structure.
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Report
(4 results)
Research Products
(64 results)
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[Journal Article] Nature Communications2014
Author(s)
Shiki Yagai, Satoru Okamura, Yujiro Nakano, Mitsuaki Yamauchi, Keiki Kishikawa, Takashi Karatsu, Akihide Kitamura, Akira Ueno, Daiki Kuzuhara, Hiroko Yamada, Tomonori Seki, Hajime Ito
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Journal Title
Design Amphiphilic Dipolar Systems for Stimuli-Responsive Luminescent Materials Using Metastable States
Volume: 5
Issue: 1
Pages: 4013-4013
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Presentation] Self-Assembly of Stackable Nanoring2012
Author(s)
M. Yamauchi, T. Karatsu, A. Kitamura, S. Yagai
Organizer
International Workshop on Soft Interface Sciences for Young Scientists 2012(SISYS2012)
Place of Presentation
Tsukuba, Japan
Year and Date
2012-11-22
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