Photophysical and Photochemical Studies on a Tetraphenylethene Derivative

doi:10.7517/j.issn.1674-0475.2014.05.463

Abstract

Abstract:

A tetraphenylethene derivative (Model-TPE) was design and synthesized. The photophysical studies demonstrate that Model-TPE showes typical AIE (aggregation induced emission) character. Model-TPE proceeded photocyclization upon UV irradiation in the presence of oxygen, which has been approved by ¹HNMR, MALDI-TOF MS and HPLC studies. The photocyclization at substitute and non-substitute phenyl side gave two isomers. The mechanism of photocyclization of Model-TPE was discussed. The experiment results shown here provide important information for potential applications of tetraphenylethene derivatives as emitting and sensing materials.

Key words: tetraphenylethene, photoreaction, oxidation, aggregation induced emission

ZENG Yi, LI Peng, LI Yi. Photophysical and Photochemical Studies on a Tetraphenylethene Derivative[J]. Imaging Science and Photochemistry, 2014, 32(5): 463-470.

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