2011年1月
Molecular decoding using luminescence from an entangled porous framework
NATURE COMMUNICATIONS
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- 巻
- 2
- 号
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1038/ncomms1170
- 出版者・発行元
- NATURE PUBLISHING GROUP
Chemosensors detect a single target molecule from among several molecules, but cannot differentiate targets from one another. In this study, we report a molecular decoding strategy in which a single host domain accommodates a class of molecules and distinguishes between them with a corresponding readout. We synthesized the decoding host by embedding naphthalenediimide into the scaffold of an entangled porous framework that exhibited structural dynamics due to the dislocation of two chemically non-interconnected frameworks. An intense turn-on emission was observed on incorporation of a class of aromatic compounds, and the resulting luminescent colour was dependent on the chemical substituent of the aromatic guest. This unprecedented chemoresponsive, multicolour luminescence originates from an enhanced naphthalenediimide-aromatic guest interaction because of the induced-fit structural transformation of the entangled framework. We demonstrate that the cooperative structural transition in mesoscopic crystal domains results in a nonlinear sensor response to the guest concentration.
- リンク情報
- ID情報
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- DOI : 10.1038/ncomms1170
- ISSN : 2041-1723
- ORCIDのPut Code : 48612391
- Web of Science ID : WOS:000288225700018