Nanoturf Hierarchical thermo-membrane for solar-vapor generator

Title
Nanoturf Hierarchical thermo-membrane for solar-vapor generator
Authors
권석준김종욱강승지이소리옥제형김용재노승훈홍해린김정규채희엽김태일
Keywords
solar thermal; plasmonic; generator; steam
Issue Date
2020-12
Publisher
Advanced functional materials
Citation
VOL 30, NO 50-2003862
Abstract
Solar­thermal materials have been intensively studied in the context of production and localization of thermal energy, targeting an industry level application. Although photonic and optical strategies for enhancing light absorption have increased the efficiency of photo excitation/conversion into thermal energy, most of them have several limitations such as large area fabrication, thermal stability and broadband/omnidirectional light absorption. In this study, a gold­coated hierarchical nanoturf membrane (Au/h­Nanoturf membrane) incorporated with randomly distributed high aspect ratio (AR) nanostructures and micro­through holes is proposed. The Au/h­Nanoturf has peculiar black structures that provide advantages in forming a membrane with a large area and in absorbing broadband solar light spectrum. Furthermore, the membrane is combined with micro­cone array which makes it exhibit exceptionally omnidirectional light absorption properties. Using computational analysis, it is confirmed th
URI
http://pubs.kist.re.kr/handle/201004/71992
ISSN
1616-301X
Appears in Collections:
KIST Publication > Article
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