Bioinspired metafilms for all-weather energy harvesting: Adaptive thermal regulation and raindrop electricity generation.

Abstract in brief

• The bioinspired metafilm is designed to improve energy harvesting and thermal regulation under all weather conditions, including rain and cold, by mimicking the adaptive features of horned lizards.
• It features a layered structure with materials that generate electricity from raindrops and dynamically regulate temperature using thermochromic core layers, providing both cooling in hot weather and heating in cold weather.
• The metafilm achieves high optical contrast for effective radiative cooling, produces a stable high-voltage electricity (up to 208 volts) from raindrops, and addresses the limitations of traditional radiative coolers, making it suitable for diverse environmental conditions.]