High-performance and selective semi-transparent perovskite solar cells using 3D-structured FTO

Sucheol Ju, Seung Ju Choi, Hansang Sung, Minjin Kim, Ji Won Song, In Woo Choi, Hak-Beom Kim, Yimhyun Jo, Sangwook Lee, Seog-Young Yoon, Dong Suk Kim and Heon Lee

Renewable Energy, 2024, vol. 222, issue C

Abstract: Perovskite solar cells (PSCs) have been in the spotlight as a promising next-generation solar cell. With the tremendous development of power conversion efficiency (PCE) over the past decades, a considerable amount of research has focused on semi-transparent perovskite solar cells for applications. However, the short-circuit current density (JSC) greatly decreases in semi-transparent PSCs with an increase in transmittance, and this results in a significant decrease in PCE. In this study, semi-transparent PSCs were fabricated by controlling the absorption layer thickness and aperture ratio using a 3D-structured FTO manufactured via processes that can work large areas (direct printing and mist-CVD). This strategy has an advantage in that the aperture ratio (transmission/entire area) can be controlled easily by adjusting pattern specification. The effect of a 3D-structured FTO enhanced the diffuse transmittance and shortened the carrier travel distance; further, it minimized the decrease in PCE because of an increase in transmittance. Our fully semi-transparent PSCs (F–PSCs) with the ITO cathode achieved a PCE of 12.0 %–14.6 %, and an average visible transmittance (AVT) of 13.4 %–17.0 %. These results demonstrate that the parameter of semi-transparent PSCs (transmittance and PCE) can be easily tailored to the application by controlling the specification of the pattern.

Keywords: Semi-transparent perovskite solar cell; Three-dimensional-structured fluorine doped tin oxide; Direct printing; Mist-chemical vapor deposition (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:222:y:2024:i:c:s0960148123017329

DOI: 10.1016/j.renene.2023.119817

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