Light/temperature-enhanced emission characteristics of malononitrile-containing hexaphenyl-1,3-butadiene derivatives: the hotter, the brighter†
Abstract
A Light/Temperature-Enhanced Emission (LTEE) based fluorescence turn-on probe was prepared via the photocyclization/crystallization of a malononitrile-containing hexaphenyl-1,3-butadiene derivative (HPB-CN) on filter paper. The HPB-CN-coated filter paper exhibited stronger PL intensity as the exposure time under UV light prolonged and the heating temperature increased, indicating the hotter, the brighter.

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