Carbazole-based gold(i) complexes with alkyl chains of different lengths: tunable solid-state fluorescence, aggregation-induced emission (AIE), and reversible mechanochromism characteristics
2015
Chen, Zhao | Yang, Lan | Hu, Yuxuan | Wu, Di | Yin, Jun | Yu, Guang-Ao | Liu, Sheng Hua
In this paper, seven carbazole-based mononuclear gold(i) complexes with alkyl chains of different lengths have been synthesized and reported. All of these gold(i) complexes exhibit outstanding AIE characteristics. Furthermore, these various solid-state light-emitting AIE-active gold(i) complexes all show reversible mechanochromic fluorescent behaviors. The possible mechanism explaining these interesting AIE and mechanochromism phenomena involves a variation in weak multiple intermolecular C–H⋯F and π⋯π interactions and the formation or alteration of aurophilic interactions.
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