Prospectives of Industrial Chemistry (공업화학전망)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Recent Research Trend in Ferroelectrics for Effective Photovoltaics

태양전지 효율향상을 위한 강유전체의 연구동향

  • 박정웅 (가천대학교 전기공학과)
  • Published : 2021.02.28

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Abstract

강유전체는 특유의 높은 유전상수와 자발분극으로 인해 반도체 소자 및 센서 등에서 널리 활용되어 왔다. 강유전체의 특성을 활용하여 광전소자에서 형성된 전하를 원하는 방향으로 쉽게 이동시킬 수 있는 특성을 가지고 있어 광전소재와 결합 시 특성 향상이 가능한 것으로 알려져 있다. 그러나 강유전체와 기존 태양전지와의 융합 연구들은 기초적인 단계의 연구가 산발적으로 진행되고 있으나, 아직 실용화 단계에는 이르지 못하고 있다. 본 서지에서는 최근에 활발히 연구되기 시작한 강유전 기반 광소자와 그 관련 연구를 소개하고자 한다. 특히 강유전체 자체를 활용한 태양전지와 유기태양전지, 실리콘 태양전지, 페로브스카이트 태양전지 등 최근 가장 활발히 연구되고 있는 태양전지 소재와 강유전체를 결합한 새로운 태양전지의 연구동향을 다룰 고자 한다. 이와 같은 자발분극에 의한 캐리어 이동의 변화는 에너지 소자 전반에 기여할 수 있을 것이다.

Keywords

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