Hierarchically controllable photoreaction of a coordination polymer based on quaternized 1,2-bis(4′-pyridyl)ethylene

Li Sun; Rui Yun Guo; Xiao Dong Yang; Shuai Ma; Jie Zhang

doi:10.1039/c8dt01535j

Hierarchically controllable photoreaction of a coordination polymer based on quaternized 1,2-bis(4′-pyridyl)ethylene

Li Sun, Rui Yun Guo, Xiao Dong Yang, Shuai Ma, Jie Zhang^*

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

A multiply photoactive compound has been developed based on quaternized 1,2-bis(4′-pyridyl)ethylene, which exhibits a hierarchical photoreaction by controlling light intensity. Weak ultraviolet light can effectively promote the cycloaddition reaction with fluorescence enhancement, while stronger ultraviolet light can stimulate a complex response of cycloaddition and electron-transfer which shows turn-off luminescence and coloration. Photofacilitated bleaching of the colored products has been observed for the first time in the pyridinium family.

Original language	English
Pages (from-to)	9051-9056
Number of pages	6
Journal	Dalton Transactions
Volume	47
Issue number	27
DOIs	https://doi.org/10.1039/c8dt01535j
Publication status	Published - 2018

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Sun, L., Guo, R. Y., Yang, X. D., Ma, S., & Zhang, J. (2018). Hierarchically controllable photoreaction of a coordination polymer based on quaternized 1,2-bis(4′-pyridyl)ethylene. Dalton Transactions, 47(27), 9051-9056. https://doi.org/10.1039/c8dt01535j

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abstract = "A multiply photoactive compound has been developed based on quaternized 1,2-bis(4′-pyridyl)ethylene, which exhibits a hierarchical photoreaction by controlling light intensity. Weak ultraviolet light can effectively promote the cycloaddition reaction with fluorescence enhancement, while stronger ultraviolet light can stimulate a complex response of cycloaddition and electron-transfer which shows turn-off luminescence and coloration. Photofacilitated bleaching of the colored products has been observed for the first time in the pyridinium family.",

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AU - Ma, Shuai

AU - Zhang, Jie

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AB - A multiply photoactive compound has been developed based on quaternized 1,2-bis(4′-pyridyl)ethylene, which exhibits a hierarchical photoreaction by controlling light intensity. Weak ultraviolet light can effectively promote the cycloaddition reaction with fluorescence enhancement, while stronger ultraviolet light can stimulate a complex response of cycloaddition and electron-transfer which shows turn-off luminescence and coloration. Photofacilitated bleaching of the colored products has been observed for the first time in the pyridinium family.

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ER -

Hierarchically controllable photoreaction of a coordination polymer based on quaternized 1,2-bis(4′-pyridyl)ethylene

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