Multi-photoresponsive triphenylethylene derivatives with photochromism, photodeformation and room temperature phosphorescence?
Materials Horizons Pub Date: 2021-09-06 DOI: 10.1039/D1MH01207J
Abstract
A series of triphenylethylene derivatives exhibited multi-photoresponsive properties, including photochromism, photodeformation and room temperature phosphorescence (RTP), which are strongly related to molecular conformations and packing in the aggregated states. Accordingly, these properties can be subtly adjusted by substituents to the center double bond and/or peripheral phenyl moieties. The introduction of bromine atom was beneficial to photochromism and photodeformation properties as a result of the additional C–H?Br interactions and electron-withdrawing property. Also, it can promote the RTP effect via heavy atom effect, resulting in persistent afterglow lasting up to 150 min as detected by chemiluminescent imaging system.
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Journal Name：Materials Horizons
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CAS no.: 89640-58-4
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