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Buildings account for ≈40% of the total energy consumption. In addition, it is challenging to control the indoor temperature in extreme weather. Therefore, energy‐saving smart windows with light regulation have gained increasing attention. However, most emerging base materials for smart windows have disadvantages, including low transparency at low temperatures, ultra‐high phase transition temperature,...
Natural skin–derived products, as traditional wearable materials are widely used in people's daily life due to the products’ excellent origins. Herein, a versatile daytime‐radiation cooling wearable natural skin (RC‐skin) consisting of the collagen micro‐nano fibers with the on‐demand double‐layer radiation cooling structure is nano‐engineered through the proposed facile “synergistic inner–outer activation”...
Phase change materials (PCMs), such as GeSbTe (GST) alloys and vanadium dioxide (VO2), play an important role in dynamically tunable optical metadevices. However, the PCMs usually require high thermal annealing temperatures above 700 K, but most flexible metadevices can only work below 500 K owing to the thermal instability of polymer substrates. This contradiction limits the integration of PCMs into...
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