Enhanced radiative cooling with <i>Janus</i> optical properties for low-temperature space cooling.

ABSTRACT: Passive daytime radiative cooling that could provide sub-ambient cooling emerges as a promising technology to reduce household energy consumption. Nonetheless, prevailing studies are predominantly focused on surface cooling, often overlooking its adaptability to enclosed spaces with active cooling technologies. Here we present a multilayer radiative cooling film (J-MRC) with Janus optical properties in the mid-infrared region, consisting of the nanoporous polyethylene films, the polyethylene oxide film, and silver nanowires. The top side of the J-MRC functions as a conventional radiative cooling material to supply sub-ambient surface cooling, while the bottom side with low mid-infrared emissivity transfers limited heat via thermal radiation to the low-temperature enclo

SUBMITTER: Yang M 

PROVIDER: S-EPMC11501828 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature