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Metasurfaces as Energy Valves for Sustainable Energy Management.


ABSTRACT: Control of light absorption and transmission by metal-insulator-metal (MIM) metasurfaces are promising for applications in optical windows. This study shows the realization of photo-thermal energy conversion for radiative cooling by MIM metasurfaces with thin metal substrate and Indium-Tin-Oxide (ITO). High transparency of ITO at visible wavelengths and high absorption at mid-infrared wavelengths were realized for future applications of efficient cooling or heating applicable for living and working spaces. The MIM (ITO/CaF2/ITO) metasurface was patterned with low-resolution photo-lithography as a demonstration of further simplification and possible scalability of the patterning for practical window applications.

SUBMITTER: Nishijima Y 

PROVIDER: S-EPMC9609501 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Metasurfaces as Energy Valves for Sustainable Energy Management.

Nishijima Yoshiaki Y   Kimura Syunya S   Takeshima Yu Y   Juodkazis Saulius S  

Micromachines 20221018 10


Control of light absorption and transmission by metal-insulator-metal (MIM) metasurfaces are promising for applications in optical windows. This study shows the realization of photo-thermal energy conversion for radiative cooling by MIM metasurfaces with thin metal substrate and Indium-Tin-Oxide (ITO). High transparency of ITO at visible wavelengths and high absorption at mid-infrared wavelengths were realized for future applications of efficient cooling or heating applicable for living and work  ...[more]

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