Current Photovoltaic Research

  • 제10권4호
  • /
  • Pages.101-106
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  • 2022
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  • 2288-3274(pISSN)
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  • 2508-125X(eISSN)
한국태양광발전학회 (Korea Photovoltaic Society)
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Hot-air 공정을 이용한 무기 CsPbl2Br 페로브스카이트 태양전진 제작 연구

Study of Inorganic CsPbI2Br Perovskite Solar Cell Using Hot-air Process

  • 김리나 (에너지융합학과, 청주대학교) ;
  • 이동건 (에너지시스템공학부, 중앙대학교) ;
  • 강동원 (에너지시스템공학부, 중앙대학교) ;
  • 김은도 ((주)아스트로텍) ;
  • 김제하 (에너지융합학과, 청주대학교)
  • RINA, KIM (Department of Energy Convergence Engineering, Cheongju University) ;
  • Dong-Gun, Lee (Department of Energy System Engineering, Chung-Ang University) ;
  • Dong-Won, Kang (Department of Energy System Engineering, Chung-Ang University) ;
  • Eundo, Kim (ASTROTEK Co., Ltd.) ;
  • Jeha, Kim (Department of Energy Convergence Engineering, Cheongju University)
  • 투고 : 2022.10.24
  • 심사 : 2022.11.30
  • 발행 : 2022.12.31
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초록

We prepared a CsPbI2Br solution using Cesium iodide (CsI), Lead (II) bromide (PbBr2) and Lead (II) iodide (PbI2) materials into a polar solvent mixture of N,N-dimethylformamide (DMF) and Dimethyl sulfoxide (DMSO). A simple spin coating technique was used for the fabrication of CsPbI2Br absorber layer in the solution process. In order to prepare uniform coating of absorber film we adopted a hot-air process in assocation with the spin coating. It was confirmed that the thin film manufactured by the hot-air process had a higher absorption rate than that without it, and the optical band gap was measured 1.93 eV. The thin film of absorber was uniformly prepared and revealed the Black α-Cubic crystal phase as proved through X-ray diffraction analysis. Finally, a perovskite solar cell having an n-i-p structure was manufactured with a CsPbI2Br perovskite absorption layer. From the solar cell, we obtained a power conversion efficiency (PCE) of 5.97% in a forward measurement.

키워드

과제정보

이 논문은 2022년도 정부(산업통상자원부)의 재원으로 한국에너지기술평가원의 지원(No. 20224000000070, 스마트 에너지신산업 클러스터 인재양성)과 2022년 정부(산업통상자원부)의 재원으로 한국산업기술진흥원의 지원을 받아 수행된 연구임(P0011933, 2022년 산학융합지구조성사업). 이 논문은 2021~2022년도 청주대학교 연구장학 지원에 의한 것임.

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