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Citation: HE Tian, GU Zhengye, YIN Shouchun. Synthesis and Characterization of Tetraphenylethylene and Its Application for Explosive Detection: An Introduction of a Comprehensive Chemical Experiment[J]. University Chemistry, ;2019, 34(1): 48-53. doi: 10.3866/PKU.DXHX201805007 shu

Synthesis and Characterization of Tetraphenylethylene and Its Application for Explosive Detection: An Introduction of a Comprehensive Chemical Experiment

Provincial Chemical Experimental Teaching Demonstrating Center, College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 310036, P. R. China

Received Date: 3 May 2018

Tetraphenylethylene and its derivatives with propeller structure have excellent fluorescence properties, which can be applied to the fields of organic photo-electric materials, fluorescence sensing and biological imaging due to the aggregation-induced fluorescence property. In this experiment, tetraphenylethylene was synthesized by McMurry coupling reaction using benzophenone as starting materials. The target compound was separated and purified by extraction, drying and column chromatography, and its structure was characterized by the melting point measurement, ¹H NMR, ¹³C NMR, and MS. The fluorescence detection limit for explosives was determined by fluorescence spectra using picric acid as a model compound. This experiment with the research focuses can improve the students' experimental skills, help students to understand the current status and applications of tetraphenylethylene and its derivatives with aggregation-induced fluorescence property, and stimulate students' interest in scientific research and innovation consciousness.
- Tetraphenylethylene,
- Aggregation-induced emission,
- Comprehensive experiment,
- Fluorescence,
- Explosive detection
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