Current Photovoltaic Research

Korea Photovoltaic Society (한국태양광발전학회)
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Degradation and Stability of Organic-Inorganic Perovskite Solar Cells

유 무기 페로브스카이트 태양전지의 열화와 안정성

  • Cho, Kyungjin (Department of Materials Science and Engineering, Korea University) ;
  • Kim, Seongtak (Department of Materials Science and Engineering, Korea University) ;
  • Bae, Soohyun (Department of Materials Science and Engineering, Korea University) ;
  • Chung, Taewon (Department of Materials Science and Engineering, Korea University) ;
  • Lee, Sang-won (Department of Materials Science and Engineering, Korea University) ;
  • Lee, Kyung Dong (Department of Materials Science and Engineering, Korea University) ;
  • Lee, Seunghun (Department of Materials Science and Engineering, Korea University) ;
  • Kwon, Guhan (Energy & Environment Materials & Devices Team, Materials & Devices Advanced Research Institute, LG Electronics) ;
  • Ahn, Seh-Won (Energy & Environment Materials & Devices Team, Materials & Devices Advanced Research Institute, LG Electronics) ;
  • Lee, Heon-Min (Energy & Environment Materials & Devices Team, Materials & Devices Advanced Research Institute, LG Electronics) ;
  • Ko, Min Jae (KU.KIST Green School, Graduate School of Energy and Environment, Korea University) ;
  • Kang, Yoonmook (KU.KIST Green School, Graduate School of Energy and Environment, Korea University) ;
  • Lee, Hae-seok (Department of Materials Science and Engineering, Korea University) ;
  • Kim, Donghwan (Department of Materials Science and Engineering, Korea University)
  • 조경진 (고려대학교 신소재공학과) ;
  • 김성탁 (고려대학교 신소재공학과) ;
  • 배수현 (고려대학교 신소재공학과) ;
  • 정태원 (고려대학교 신소재공학과) ;
  • 이상원 (고려대학교 신소재공학과) ;
  • 이경동 (고려대학교 신소재공학과) ;
  • 이승훈 (고려대학교 신소재공학과) ;
  • 권구한 (소재기술원 에너지/환경소재팀, LG전자) ;
  • 안세원 (소재기술원 에너지/환경소재팀, LG전자) ;
  • 이헌민 (소재기술원 에너지/환경소재팀, LG전자) ;
  • 고민재 (고려대학교 그린스쿨대학원 에너지환경정책기술학과) ;
  • 강윤묵 (고려대학교 그린스쿨대학원 에너지환경정책기술학과) ;
  • 이해석 (고려대학교 신소재공학과) ;
  • 김동환 (고려대학교 신소재공학과)
  • Received : 2016.04.23
  • Accepted : 2016.05.20
  • Published : 2016.06.30
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Abstract

The power conversion efficiency of perovskite solar cells has remarkably increased from 3.81% to 22.1% in the past 6 years. Perovskite solar cells, which are based on the perovskite crystal structure, are fabricated using organic-inorganic hybrid materials. The advantages of these solar cells are their low cost and simple fabrication procedure. Also, they have a band gap of about 1.6 eV and effectively absorb light in the visible region. For the commercialization of perovskite solar cells in the field of photovoltaics, the issue of their long term stability cannot be overlooked. Although the development of perovskite solar cells is unprecedented, their main drawback is the degradation of the perovskite structure by moisture. This degradation is accelerated by exposure to UV light, temperature, and external bias. This paper reviews the aforesaid reasons for perovskite solar cell degradation. We also discuss the research directions that can lead to the development of perovskite solar cells with high stability.

Keywords

References

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