Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Improving the Charge Extraction of Organic Photovoltaics by Controlling the PCBM Overlayer/Active-Layer Interface

PCBM Overlayer/활성층 계면 제어를 통한 유기 태양전지의 전하 추출 개선

  • Soonho Hong (Department of Semiconductor Physics Electronics, Sangji University) ;
  • Haechang Jeong (Department of Semiconductor Physics Electronics, Sangji University) ;
  • Hoseung Kang (Department of New Energy and Mining Engineering, Sangji University) ;
  • Sunyoung Sohn (Department of Semiconductor Physics Electronics, Sangji University)
  • 홍순호 (상지대학교 반도체물리전자학과) ;
  • 정해창 (상지대학교 반도체물리전자학과) ;
  • 강호승 (상지대학교 신에너지자원공학과) ;
  • 손선영 (상지대학교 반도체물리전자학과)
  • Received : 2024.05.04
  • Accepted : 2024.05.20
  • Published : 2024.07.01
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Abstract

Organic photovoltaic (OPV) devices have attracted attention due to their high efficiency and simple manufacturing process. Applying an overlayer to OPV devices is one way to improve their performance because it can improve charge extraction and suppress vertical phase separation. In addition, dichloromethane (DCM) was used as an orthogonal solvent to minimize the effect on other layers. However, an coating problems due to the use of DCM were found, which affects surface morphology as rough or peeling. Additional research efforts are needed to solve these problems, and optimal results are expected to be obtained by utilizing various buffer layers or selective organic solvents.

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Acknowledgement

본 논문은 한국연구재단(NRF-2022R1F1A1074752) 지원에 의해 수행되었습니다.

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