期刊
OPTICS EXPRESS
卷 26, 期 18, 页码 A777-A787出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.26.00A777
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资金
- National Science Foundation [CMMI-1562204]
- Global Climate and Energy Project (GCEP) at Stanford University
With the ability of harvesting the coldness of universe as a thermodynamic resource, radiative cooling technology is important for a broad range of applications such as passive building cooling, refrigeration, and renewable energy harvesting. However, all existing radiative cooling technologises utilize static structures, which lack the ability of self-adaptive tuning based on demand. Here we present the concept of self-adaptive radiative cooling based on phase change materials such as vanadium dioxide. We design a photonic structure that can adaptively turn 'on' and 'off' radiative cooling, depending the ambient temperature, without any extra energy input for switching. Our results here lead to new functionalities of radiative cooling and can potentially be used in a wide range of applications for the thermal managements of buildings, vehicles and textiles. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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