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Incident-angle-controlled semitransparent colored perovskite solar cells with improved efficiency exploiting a multilayer dielectric mirror

Authors
Lee, Kyu-TaeJang, Ji-YunPark, Sang JinOk, Song AhPark, Hui Joon
Issue Date
Oct-2017
Publisher
ROYAL SOC CHEMISTRY
Citation
NANOSCALE, v.9, no.37, pp.13983 - 13989
Indexed
SCIE
SCOPUS
Journal Title
NANOSCALE
Volume
9
Number
37
Start Page
13983
End Page
13989
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/18705
DOI
10.1039/c7nr04069e
ISSN
2040-3364
Abstract
See-through perovskite solar cells with high efficiency and iridescent colors are demonstrated by employing a multilayer dielectric mirror. A certain amount of visible light is used for wide color gamut semi-transparent color generation, which can be easily tuned by changing an angle of incidence, and a wide range of visible light is efficiently reflected back toward a photoactive layer of the perovskite solar cells by the dielectric mirror for highly efficient light-harvesting performance, thus achieving 10.12% power conversion efficiency. We also rigorously examine how the number of pairs in the multilayer dielectric mirror affects optical properties of the colored semitransparent perovskite solar cells. The described approach can open the door to a large number of applications such as building-integrated photovoltaics, self-powered wearable electronics and power-generating color filters for energy-efficient display systems.
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