期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 49, 页码 17651-17655出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201910719
关键词
aggregation-induced emission; mechanoluminescence; room-temperature phosphorescence; thermally activated delayed fluorescence
资金
- National Natural Science Foundation of China [91833304, 21721005]
- National Basic Research Program of China (973 Programs) [2015CB655002]
- Shenzhen Peacock Plan [KQTD20170330110107046]
- Shenzhen Technology and Innovation Commission [JCYJ20180507182244027]
Aggregation-induced emission (AIE), thermally activated delayed fluorescence (TADF), room-temperature phosphorescence (RTP), and mechanoluminescence (ML) have attracted widespread interest. However, a multifunctional organic emitter exhibiting simultaneous AIE, TADF, RTP, and ML has not been reported. Now, two multifunctional blue emitters with very simple structures, mono-DMACDPS and Me-DMACDPS, exhibit typical AIE, TADF, and RTP properties but different behavior in mechanoluminescence. Crystal structure analysis reveals that large dipole moment and multiple intermolecular interactions with tight packing mode endow mono-DMACDPS with strong ML. Combined with the data of crystal analysis and theoretical calculation, the separated monomer and dimer in the crystal lead to the typical TADF and RTP properties, respectively. Simple-structure mono-DMACDPS is the first example realizing TADF, RTP, AIE, and ML simultaneously.
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