Korean Chemical Engineering Research

  • 제58권1호
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  • Pages.1-20
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  • 2020
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  • 0304-128X(pISSN)
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  • 2233-9558(eISSN)
한국화학공학회 (The Korean Institute of Chemical Engineers)
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페로브스카이트 태양전지 안정성 개선을 위한 광활성층 연구 현황과 전망

Future Prospect of Perovskite Solar Cells for Practical Applications

  • 송재관 (전남대학교 화학공학부) ;
  • 김도형 (전남대학교 화학공학부)
  • 투고 : 2019.10.27
  • 심사 : 2019.12.13
  • 발행 : 2020.02.01
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⟨ 이전 논문 다음 논문 ⟩

초록

화석 연료를 이용하는 에너지원이 심각한 환경오염을 일으키고, 인류의 건강한 삶에 큰 영향을 주어 청정한 에너지 자원의 개발은 매우 중요한 이슈가 되었다. 화석 연료를 대체하기 위한 다양한 에너지원의 개발이 진행되고 있으며, 그 중 최근에는 태양 전지에 대한 관심이 점차 커지고 있다. 현재 실용화 되어 있는 태양전지는 실리콘 기반 태양전지인데, 제조비용이 큰 단점이 부각되고 있으며 이에 따라 이의 단점을 개선하기 위한 노력과 동시에 실리콘 기반 태양전지를 대체하려는 시도가 이루어지고 있다. 이중 실리콘 기반 태양전지를 대체할 후보로 페로브스카이트 태양전지가 큰 관심을 받고 있는데, 그 이유는 높은 광전 변환 효율, 저렴한 제조비용, 유연한 형태로의 제조 가능성 때문이다. 그러나 현재 보고되고 있는 페로브스카이트 태양전지는 장기적 안정성이 떨어지며, 또 납으로 인해 신체에 유해하다는 큰 단점을 가지고 있다. 본 리뷰에서는 페로브스카이트 태양전지의 장기적 안정성을 높이는 방안들 그리고 환경적으로 유해한 납을 사용하지 않는 방안들의 최신 연구 방향 동향에 관하여 살펴보았다.

Development of efficient methods for clean energy production became a critical issue to improve the quality of human lives. Solar cells is considered as one of the alternative solutions to resolve the issue. Although Si-based solar cells are only popularly utilized for practical applications, high manufacturing cost is considered as a serious drawback for further versatile applications. Thus, different types of are being investigated aiming to replace the Si-based solar cells. Recently, perovskite solar cells (PSC) are considered as a potential replacement for Si-based solar cells due to their low production cost, high power conversion efficiency, light weight and possibility of flexible device fabrication. Thus, we have reviewed the challenges of PSC faced with practical application, particularly on stability.

키워드

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