Current Photovoltaic Research

Korea Photovoltaic Society (한국태양광발전학회)
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Annealing Temperature of Nickel Oxide Hole Transport Layer for p-i-n Inverted Perovskite Solar Cells

P-I-N 역구조 페로브스카이트 태양전지 응용을 위한 Nickel oxide 홀전달층의 열처리 온도 연구

  • Gisung Kim (Department of Physics, Kunsan National University) ;
  • Mijoung Kim (Department of Physics, Kunsan National University) ;
  • Hyojung Kim (The Institute of Basic Science, Kunsan National University) ;
  • JungYup Yang (Department of Physics, Kunsan National University)
  • 김기성 (물리학과, 국립군산대학교) ;
  • 김미정 (물리학과, 국립군산대학교) ;
  • 김효정 (기초과학연구소, 국립군산대학교) ;
  • 양정엽 (물리학과, 국립군산대학교)
  • Received : 2023.10.31
  • Accepted : 2023.11.24
  • Published : 2023.12.31
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Abstract

A Nickel oxide (NiOx) thin films were prepared via sol-gel process on a transparent conductive oxide glass substrate. The NiOx thin films were spin-coated in ambient air and subsequently annealed for 30 minutes at temperatures ranging from 150℃ to 450℃. The structural and optical characteristics of the NiOx thin films annealed at various temperatures were measured using X-ray diffraction, field emission scanning electron microscopy, and ultraviolet-visible spectroscopy. After optimizing the NiOx coating conditions, perovskite solar cells were fabricated with p-i-n inverted structure, and its photovoltaic performance was evaluated. NiOx thin films annealed at 350℃ exhibited the most favorable characteristics as a hole transport layer, resulting in the highest power conversion efficiency of 17.88 % when fabricating inverted perovskite solar cells using this film.

Keywords

Acknowledgement

이 논문은 2023년도 정부 (과학기술정보통신부) 출연 재원으로 한국핵융합에너지연구원 "플라즈마 융합원천 연구사업"의 지원을 받아 수행된 연구임(EN2321-11). 본 연구는 IDEC에서 EDA Tool를 지원받아 수행하였습니다. 본 성과물은 중소벤처기업부에서 지원하는 2022년도 창업성장기술개발사업 전략형(그린뉴딜, S2798421) 의 연구수행으로 인한 결과물임을 밝힙니다.

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