Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 58, Issue 48, Pages 17297-17302Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201911648
Keywords
conformation; mechanoluminescence; molecular packing; polymorphism; room-temperature phosphorescence
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Funding
- National Natural Science Foundation of China [51673151, 21875174, 21734007, 51573140]
- Hubei Province [2017CFA002]
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Mechanoluminescence (ML) and room-temperature photophosphorescence (RTP) were achieved in polymorphisms of a triphenylamine derivative with ortho-substitution. This molecular packing-dependent emission afforded crucial information to deeply understand the intrinsic mechanism of different emission forms and the possible packing-function relationship. With the incorporation of solid-state C-13 NMR spectra of single crystals, as well as the analysis of crystal structures, the preferred packing modes for ML and/or RTP were investigated in detail, which can guide the reasonable design of organic molecules with special light-emission properties.
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