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Passive daytime radiative cooling
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Passive daytime radiative cooling —also called passive radiative cooling, daytime passive radiative cooling, radiative sky cooling, photonic radiative cooling, and terrestrial radiative cooling—is the
PDRC can lower temperatures with zero energy consumption or pollution by radiating heat into outer space. Widespread application has been proposed as a solution to global warming.
PDRC can lower temperatures with zero energy consumption or pollution by radiating heat into outer space. Widespread application has been proposed as
PDRC maximizes outgoing infrared radiation (shown in orange) and minimizes the absorption of solar radiation (shown in yellow).
PDRC maximizes outgoing infrared radiation (shown in orange) and minimizes the absorption of solar radiation (shown in yellow).
A scalable colored PDRC coating using bismuth oxide (pictured) was developed by Zhai et al.
A scalable colored PDRC coating using bismuth oxide (pictured) was developed by Zhai et al.
A photonic radiator film based on the longicorn beetle Neocerambyx gigas exhibited 95% solar irradiance and 96% emissivity.
A photonic radiator film based on the longicorn beetle Neocerambyx gigas exhibited 95% solar irradiance and 96% emissivity.
Polydimethylsiloxane
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Polydimethylsiloxane, also known as dimethylpolysiloxane or dimethicone, is a silicone polymer with a wide variety of uses, from cosmetics to industrial lubrication and passive daytime radiative cooli
Passive daytime radiative cooling
…inconsequential and their stronger cooling power can be achieved. Broadband emitters can be made angle-dependent to potentially enhance performance. Polydimethylsiloxane (PDMS) is a common broadband emitter. Most PDRC materials are broadband, primarily due to their lower cost and higher performance at above-ambient…
Fabric embedded within PDMS. This technique enables a user to retain a thin layer of PDMS as a substrate while achieving a higher stiffness through th
Fabric embedded within PDMS. This technique enables a user to retain a thin layer of PDMS as a substrate while achieving a higher stiffness through the insertion of reinforcement.