Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Comparison Study of Compact Titanium Oxide (c-TiO2) Powder Electron Transport Layer Fabrication for Carbon Electrode-based Perovskite Solar Cells

탄소전극 기반 페로브스카이트 태양전지 적용을 위한 조밀 이산화티타늄 분말 전자수송층 제작 비교 연구

  • Woo, Chae Young (Department of Nano Fusion Technology, Pusan National University) ;
  • Lee, Hyung Woo (Department of Nano Fusion Technology, Pusan National University)
  • 우채영 (부산대학교 나노융합기술학과) ;
  • 이형우 (부산대학교 나노융합기술학과)
  • Received : 2022.08.11
  • Accepted : 2022.08.23
  • Published : 2022.08.28
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Abstract

This study compares the characteristics of a compact TiO2 (c-TiO2) powdery film, which is used as the electron transport layer (ETL) of perovskite solar cells, based on the manufacturing method. Additionally, its efficiency is measured by applying it to a carbon electrode solar cell. Spin-coating and spray methods are compared, and spray-based c-TiO2 exhibits superior optical properties. Furthermore, surface analysis by scanning electron microscopy (SEM) and atomic force microscopy (AFM) exhibits the excellent surface properties of spray-based TiO2. The photoelectric conversion efficiency (PCE) is 14.31% when applied to planar perovskite solar cells based on metal electrodes. Finally, carbon nanotube (CNT) film electrode-based solar cells exhibits a 76% PCE compared with that of metal electrode-based solar cells, providing the possibility of commercialization.

Keywords

Acknowledgement

이 과제는 부산대학교 기본연구지원사업(2년)에 의하여 연구되었음

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