期刊
ADVANCED MATERIALS
卷 25, 期 20, 页码 2837-2843出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201205043
关键词
mechanochromism; aggregation-induced emission; twisted conformation; intermolecular interactions; organic electronics
类别
资金
- National Basic Research Program of China (973 Program) [2013CB834701]
- National Science Foundation of China [21104044]
- SRFI Grants of HKUST [SRFI11SC03PG]
- Research Grants Council of Hong Kong [604711, HKUST2/CRF/10, N_HKUST620/11]
A strategy towards efficient mechanochromic luminogens with high contrast is developed. The twisted propeller-like conformations and effective intermolecular interactions not only endow the luminogens with AIE characteristics and high efficiency in the crystalline state, but also render them to undergo conformational planarization and disruption in intermolecular interactions upon mechanical stimuli, resulting in remarkable changes in emission wavelength and efficiency.
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