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Thermally stimuli-responsive materials with transformable double channels of nonlinear optical and dielectric properties.

Organic-inorganic hybrid materials have received extensive attention and in-depth research in the past few decades due to their superior properties and potential applications in storage, sensing, dielectric switches, actuators and other information fields. Based on this scientific background, we developed two organic-inorganic hybrids [TMFEA]2CdI4 (compound 1) and [TMFEA]2ZnI4 (compound 2) (TMFEA = trimethylfluoroethylammonium). Both compounds show transformable double channels of nonlinear optical and dielectric properties induced by structural phase transitions, which was proved by the thermal, nonlinear optical, and dielectric phase changes. In addition, the channels can be switched ON and OFF by temperature regulation. This work will provide inspiration and options for the exploration of opto-electrical dual channel components.