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Cited by 284

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Ionization and Anion−π+ Interaction: A New Strategy for Structural Design of Aggregation-Induced Emission Luminogens

Wang, Jianguo, Gu, Xinggui, Zhang, Pengfei, Huang, Xiaobo, Zheng, Xiaoyan, Chen, Ming, Feng, Haitao, Kwok, Ryan T. K., Lam, Jacky W. Y., Tang, Ben Zhong·2017·Journal of the American Chemical Society

Abstract

Recent years have witnessed the significant role of anion−π + interactions in many areas, which potentially brings the opportunity for the development of aggregation-induced emission (AIE) systems. Here, a new strategy that utilized anion−π + interactions to block detrimental π–π stacking was first proposed to develop inherent-charged AIE systems. Two AIE-active luminogens, namely, 1,2,3,4-tetraphenyloxazolium (TPO-P) and 2,3,5-triphenyloxazolium (TriPO-PN), were successfully synthesized. Comprehensive techniques such as single-crystal analysis, theoretical calculation, and conductivity measurement were used to illustrate the effects of anion−π + interactions on the AIE feature. Their analogues tetraphenylfuran (TPF) and 2,4,5-triphenyloxazole (TriPO-C) without anion−π + interactions suffered from the aggregation-caused emission quenching in the aggregate state, demonstrating the important role of anion−π + interactions in suppressing π–π stacking. TriPO-PN was biocompatible and could specifically target lysosome in fluorescence turn-on and wash-free manners. This suggested that it was a promising contrast agent for bioimaging.

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Crossref · 10.1021/jacs.7b10150

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Metadata

Authors
Wang, J., Gu, X., Zhang, P., Huang, X., Zheng, X., Chen, M., Feng, H., Kwok, R. T. K., Lam, J. W. Y., & Tang, B. Z.
Venue
Journal of the American Chemical Society
Published
2017-11-08
Volume
139
Issue
46
Pages
16974-16979
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2765460389
Cited by
284
References
47
FWCI
10.28
Type
journal article
Language
en
Open access
closed

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