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Piezofluorochromic and Aggregation‐Induced‐Emission Compounds Containing Triphenylethylene and Tetraphenylethylene Moieties

Xu, Bingjia, Chi, Zhenguo, Zhang, Jianyong, Zhang, Xiqi, Li, Haiyin, Li, Xiaofang, Liu, Siwei, Zhang, Yi, Xu, Jiarui·2011·Chemistry – An Asian Journal

Abstract

New fluorescent compounds containing triphenylethylene and tetraphenylethylene moieties were synthesized, and their piezofluorochromic and aggregation‐induced emission behaviors were investigated. The results show that all compounds exhibit aggregation‐induced emission characteristics and only the crystalline compound possesses piezofluorochromic properties. The color, emission spectra, and morphological structures of the one piezofluorochromic compound exhibit reversibility upon grinding and annealing (or fuming) treatments. The piezofluorochromic behaviors are caused by a change between different modes of solid state molecular packing under external pressure. The single crystal X‐ray diffraction analysis reveals that the twisted conformation of the aggregation‐induced emission compound leads to the formation of metastable crystal lattice with cavity which is readily destroyed under external pressure. A possible mechanism of piezofluorochromic phenomenon has been proposed.

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Metadata

Authors
Xu, B., Chi, Z., Zhang, J., Zhang, X., Li, H., Li, X., Liu, S., Zhang, Y., & Xu, J.
Venue
Chemistry – An Asian Journal
Publisher
Wiley
Published
2011-05-23
Volume
6
Issue
6
Pages
1470-1478
ISSN
  • 1861-471X (ISSN-L)
  • 1861-4728
OpenAlex
W1991902081
Cited by
160
References
1
FWCI
8.06
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Piezofluorochromic and Aggregation‐Induced‐Emission Compounds Containing Triphenylethylene and Tetraphenylethylene Moieties. https://app.cochat.ai/papers/10.1002/asia.201100211
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Xu, B., Chi, Z., Zhang, J., Zhang, X., Li, H., Li, X., Liu, S., Zhang, Y., & Xu, J. (2011). Piezofluorochromic and Aggregation‐Induced‐Emission Compounds Containing Triphenylethylene and Tetraphenylethylene Moieties. Chemistry – An Asian Journal. https://doi.org/10.1002/asia.201100211

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