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Perovskite microcells fabricated using swelling-induced crack propagation for colored solar windows

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Title
Perovskite microcells fabricated using swelling-induced crack propagation for colored solar windows
Author(s)
Woongchan Lee; Yoo, Young Jin; Jinhong Park; Ko, Joo Hwan; Kim, Yeong Jae; Huiwon Yun; Kim, Dong Hoe; Song, Young Min; Dae-Hyeong Kim
Publication Date
2022-04
Journal
Nature Communications, v.13, no.1
Publisher
Nature Research
Abstract
© 2022, The Author(s).Perovskite microcells have a great potential to be applied to diverse types of optoelectronic devices including light-emitting diodes, photodetectors, and solar cells. Although several perovskite fabrication methods have been researched, perovskite microcells without a significant efficiency drop during the patterning and fabrication process could not be developed yet. We herein report the fabrication of high-efficiency perovskite microcells using swelling-induced crack propagation and the application of the microcells to colored solar windows. The key procedure is a swelling-induced lift-off process that leads to patterned perovskite films with high-quality interfaces. Thus, a power conversion efficiency (PCE) of 20.1 % could be achieved with the perovskite microcell, which is nearly same as the PCE of our unpatterned perovskite photovoltaic device (PV). The semi-transparent PV based on microcells exhibited a light utilization efficiency of 4.67 and a color rendering index of 97.5 %. The metal–insulator–metal structure deposited on the semi-transparent PV enabled to fabricate solar windows with vivid colors and high color purity.
URI
https://pr.ibs.re.kr/handle/8788114/11979
DOI
10.1038/s41467-022-29602-z
ISSN
2041-1723
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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