Optical and water-repellent characteristics of an anti-reflection protection layer for perovskite solar cells fabricated in ambient air

Dong In Kim, Ji Won Lee, Rak Hyun Jeong, Ju Won Yang, Seong Park and Jin-Hyo Boo

Energy, 2020, vol. 210, issue C

Abstract: Glass texturing represents a cost-effective and important technology for the improvement of the optical path length through trapping of the incident light in the solar cells. However, this process causes a haze phenomenon that adversely affects the transmittance, thereby reducing the usability of solar cells as glass electrodes. In this study, an anti-reflection layer is applied to glass texturing surface to solve these issues and enhancing efficiency of the perovskite solar cell. The anti-reflection layer reduced the haze phenomenon while maintaining the advantage of glass texturing. Moreover, the hydrophobic property of the anti-reflection layer prevented dust or water contamination of the perovskite solar cell, thereby ensuring the stability of the device. Glass texturing using an anti-reflection layer enabled an ideal balance of the transmittance and reflectance of the substrate and, in turn, enhanced light-harvesting. Consequently, we achieved a short-circuit current density of 21.70 mA/cm2 and a power conversion efficiency of 13.95%.

Keywords: Perovskite solar cell; Anti-reflection layer; Optical path length; Light scattering; Light trapping (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:210:y:2020:i:c:s036054422031690x

DOI: 10.1016/j.energy.2020.118582

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