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In this work, a strong pyro-electro-chemical coupling effect of the sol-gel-synthesized Ba0.7Sr0.3TiO3 (BST) pyroelectric nanoparticles was discovered and its application for room-temperature pyrocatalytic dye decomposition was also developed. Through harvesting 25–50 °C cold-hot alternation energy, BST nanoparticles can obviously decompose Rhodanmine B dye with a decomposition efficiency of 90%....
Tunable optical gratings (TOGs) based on dielectric elastomer actuator (DEA) are combined with triboelectric nanogenerator (TENG), where the actuated strain of DEA under the drive of TENG can regulate the grating period. Hence, a self-powered TOG system can be achieved and TENG can serve as both power supplier and control module for this system. Three different TOG structures have been delicately...
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