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Angew Chem Int Ed Engl


Title:Selective Expression of Chromophores in a Single Molecule: Soft Organic Crystals Exhibiting Full-Colour Tunability and Dynamic Triplet-Exciton Behaviours
Author(s):Li W; Huang Q; Mao Z; Zhao J; Wu H; Chen J; Yang Z; Li Y; Yang Z; Zhang Y; Aldred MP; Chi Z;
Address:"PCFM Lab, GDHPPC Lab, Guangdong Engineering Technology Research Center for High-performance Organic and Polymer Photoelectric Functional Films, State Key Laboratory of OEMT, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China. Instrumental Analysis and Research Center (IARC), Sun Yat-sen University, Guangzhou, 510275, China. MPAldred, Bolton, Greater Manchester, England, BL1 2AL, UK"
Journal Title:Angew Chem Int Ed Engl
Year:2020
Volume:20200123
Issue:9
Page Number:3739 - 3745
DOI: 10.1002/anie.201915556
ISSN/ISBN:1521-3773 (Electronic) 1433-7851 (Linking)
Abstract:"Soft luminescent materials are attractive for optoelectronic applications, however, switching dominant chromophores for property enrichment remains a challenge. Herein, we report the first case of a soft organic molecule (DOS) featuring selective expression of chromophores. In response to various external stimuli, different chromophores of DOS can take turns working through conformation changes, exhibiting full-colour emissions peaking from 469 nm to 583 nm from ten individual single crystals. Dynamic triplet-exciton behaviours including thermally activated delayed fluorescence (TADF), room-temperature phosphorescence (RTP), mechanoluminescence (ML), and distinct mechano-responsive luminescence (MRL) can all be realized. This novel designed DOS molecule provides a multifunctional platform for detection of volatile organic compounds (VOCs), multicolour dynamic displays, sensing, anticounterfeiting, and hopefully many others"
Keywords:crystal engineering full-colour emission luminescence soft molecule triplet-exciton;
Notes:"PubMed-not-MEDLINELi, Wenlang Huang, Qiuyi Mao, Zhu Zhao, Juan Wu, Huiyan Chen, Junru Yang, Zhan Li, Yang Yang, Zhiyong Zhang, Yi Aldred, Matthew P Chi, Zhenguo eng Research Support, Non-U.S. Gov't Germany 2019/12/22 Angew Chem Int Ed Engl. 2020 Feb 24; 59(9):3739-3745. doi: 10.1002/anie.201915556. Epub 2020 Jan 23"

 
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