Synthesis, Photochromism and Fluorescent Switch of a Novel Diarylethene Compound

Abstract:

A new fluorescence switch molecule based on a photochromic diarylethene and a fluorene unit was designed and constructed successfully. The compound exhibited good photochromism in acetonitrile with alternating irradiation by UV/Vis light, and the maxima absorption of its closed-ring isomer (1b) are 565nm. The open-ring isomer of the diarylethene 1a exhibited relatively strong fluorescence at 420 nm when excited at 290 nm. Its fluorescence intensity decreased along with the photochromism from open-ring isomers to closed-ring isomers upon irradiation with 297 nm UV light.

• Periodical: Advanced Materials Research (Volume 952)
• Pages: 96-99
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.952.96
• Online since: May 2014
• Authors: Hong Yan Xu, Xiao Rong Dong, Shou Zhi Pu*
• Keywords: Diarylethene, Fluorescent Switch, Kinetic, Photochromism, Synthesis

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