Current Photovoltaic Research

Korea Photovoltaic Society (한국태양광발전학회)
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A Brief Review on Strategies for Improving UV and Humidity Stability of Perovskite Solar Cells Towards Commercialization

페로브스카이트 태양전지 상용화를 위한 자외선 및 수분 안정성 향상 전략

  • Hwang, Eunhye (Department of Chemistry and Center for Wave Energy Materials, Ulsan National Institute of Science and Technology) ;
  • Kwon, Tae-Hyuk (Department of Chemistry and Center for Wave Energy Materials, Ulsan National Institute of Science and Technology)
  • 황은혜 (화학과 및 파동 에너지 재료 연구센터, 울산과학기술원) ;
  • 권태혁 (화학과 및 파동 에너지 재료 연구센터, 울산과학기술원)
  • Received : 2022.03.11
  • Accepted : 2022.04.12
  • Published : 2022.06.30
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Abstract

With rapid growth in light-harvesting efficiency from 3.8 to 25.8%, organic-inorganic hybrid perovskite solar cells (PSCs) have attracted great attention as promising photovoltaic devices. However, despite of their outstanding performance, the commercialization of PSCs has been suffered from severe stability issues, especially for UV and humidity: (i) UV irradiation towards PSCs is able to lead UV-induced decomposition of perovskite films or catalytic reactions of charge-transporting layers, and (ii) exposure to surrounding humidity causes irreversible hydration of perovskite layers by the penetration of water molecules, resulting considerable decrease in their power-conversion efficiency (PCE). This review investigates current status of strategies to enhance UV and humidity stability of PSCs in terms of UV-management and moisture protection, respectively. Furthermore, the multifunctional approach to increase long-term stability as well as performance is discussed as advanced research directions for the commercialization of PSCs.

Keywords

Acknowledgement

본 연구는 울산과학기술원(UNIST)의 재원으로 U-K브랜드 육성사업의 지원을 받아 수행되었습니다(1.220026.01).

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