Citation: Li Wen-Bo, Luo Wei-Jian, Li Kai-Xuan, Yuan Wang-Zhang, Zhang Yong-Ming. Aggregation-induced phosphorescence and mechanochromic luminescence of a tetraphenylethene-based gold(Ⅰ) isocyanide complex[J]. Chinese Chemical Letters, ;2017, 28(6): 1300-1305. doi: 10.1016/j.cclet.2017.04.008 shu

Aggregation-induced phosphorescence and mechanochromic luminescence of a tetraphenylethene-based gold(Ⅰ) isocyanide complex

Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Corresponding author: Yuan Wang-Zhang, wzhyuan@sjtu.edu.cn Zhang Yong-Ming, ymzsjtu@gmail.com
Received Date: 4 January 2017
Revised Date: 21 February 2017
Accepted Date: 10 April 2017
Available Online: 17 June 2017

Figures(7)

In this study, a new twisting gold(Ⅰ) isocyanide complex based on tetraphenylethene (TPE), TPE-NC-Au, was designed and synthesized. It exhibits aggregation induced phosphorescence (AIP) characteristics, owing to the incorporation of Au moiety and conformation rigidification in the aggregated states. Moreover, the emission color of the crystalline solid of TPE-NC-Au changes from blue (454 nm) to green (500 nm) in response to mechanical grinding, due to the combined effects of conformation planarization, enhanced π…π stacking, as well as the emergence of aurophilic interactions in the ground amorphous state. Notably, the emission color can be restored upon solvent fuming, associating with the reconstruction of crystalline lattices. The AIP and switchable mechanochromism of TPE-NC-Au make it suitable for potential applications in bioimaging, sensing, and optoelectronic devices.
- Aggregation-induced phosphorescence,
- Mechanochromism,
- Aurophilic interaction,
- Gold(Ⅰ) isocyanide complex
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