Cover Picture: This work presents a new model for utilizing ambient thermal energy. Ambient heat slightly above or at room temperature is a ubiquitous and inexhaustible energy source that has always been ignored due to difficulties in its utilization. Recent evidence suggests that a class of azobenzene (Azo) photoswitches featuring reversible photoinduced crystal-liquid transition could co-harvest photon energy and ambient heat. Thus, a new horizon is opened for recovering and regenerating low-grade ambient heat.
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