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Jie Zhao, Dong Yang, Dr. Yanxia Zhao, Prof. Xiao-Juan Yang, Prof. Yao-Yu Wang and Prof. Biao Wu Anion-Coordination-Induced Turn-On Fluorescence of an Oligourea-Functionalized Tetraphenylethene in a Wide Concentration Range Angewandte Chemie International Edition 53

Version of Record online: 18 MAY 2014 | DOI: 10.1002/anie.201402169

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Phosphate ions in a bind: The tetrakis(bisurea)-decorated tetraphenylethene (TPE) displays fluorescence “turn-on” over a wide concentration range upon phosphate coordination. The fluorescence enhancement can be attributed to the restriction of the intramolecular rotation of TPE by anion coordination. This “anion-coordination-induced emission” (ACIE) is another approach for fluorescence turn-on.

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