Fig. 1: Schematic illustration of the polymer-based micro-photonic multi-function metamaterials (PMMM) for integrated light, thermal and wettability management. | Nature Communications

Fig. 1: Schematic illustration of the polymer-based micro-photonic multi-function metamaterials (PMMM) for integrated light, thermal and wettability management.

From: Radiative cooling and indoor light management enabled by a transparent and self-cleaning polymer-based metamaterial

Fig. 1: Schematic illustration of the polymer-based micro-photonic multi-function metamaterials (PMMM) for integrated light, thermal and wettability management.

a Concept of PMMM integrated the functions of light diffusing, anti-reflection, self-cleaning and radiative cooling. b Photographs of a soda-lime glass and a PMMM film on a soda-lime glass substrate. c The structure and size of micro-pyramid structures. d A building with a traditional glass roof. e A building with the PMMM roof. The PMMM roof has less reflection loss, and significant light diffusing, resulting in a more comfortable light environment. The plants in the building will also grow faster and healthier, such as tomato plants. The stronger radiative cooling performance of the PMMM roof can provide effective electricity-free radiative cooling.

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