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Synergism of photocycloaddition and photoinduced electron transfer for multi-state responsive materials with high-stability and reversibility

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Abstract

A dual-photoresponsive coordination polymer displaying color-distinguishable olefin/cyclobutane-linked pyridinium radical states through photoinduced electron transfer and photocycloaddition has been successfully assembled based on the monoquaternized trans-1,2-bis(4-pyridyl)ethylene and electron-rich benzenetetra-carboxylate anion. The synergy of charge-transfer and cation–π interactions within the framework endows the compound with excellent stability toward high temperature (350 °C), acidic/basic environments (pH = 2–12) and organic solvents. Reversible recovery from the radical states to their initial states, and reverse-cyclization can be achieved upon heat-treatment.

Graphical abstract: Synergism of photocycloaddition and photoinduced electron transfer for multi-state responsive materials with high-stability and reversibility

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Article information


Submitted
07 Feb 2020
Accepted
06 Mar 2020
First published
07 Mar 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Synergism of photocycloaddition and photoinduced electron transfer for multi-state responsive materials with high-stability and reversibility

X. Yang, M. Ma, X. Pang, Y. Chen, D. Rooney and J. Zhang, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC00999G

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