Photovoltaic Efficiency Characteristics of DSSC with Electroplated Pt/Ni Counter Electrode

백금/니켈 전기 도금 상대전극을 사용한 염료 감응형 태양전지 광전 변환 효율 특성

  • Hwang, Ki Seob (Department of Chemical Engineering, Keimyung University) ;
  • Doh, Seok Joo (Department of Nano Technology Advanced Nano.Materials Research Team, Daegu Gyeongbuk Institute of Science & Technology (DGIST)) ;
  • Ha, KiRyong (Department of Chemical Engineering, Keimyung University)
  • 황기섭 (계명대학교 화학공학과) ;
  • 도석주 (대구경북과학기술연구원 NT 연구부 나노.신소재연구팀) ;
  • 하기룡 (계명대학교 화학공학과)
  • Received : 2010.11.10
  • Accepted : 2011.01.10
  • Published : 2011.02.10

Abstract

We prepared a counter electrode by electroplating Ni as underlayer and Pt as plating layer on the FTO glass to increase the efficiency of dye-sensitized solar cell (DSSC). We found an excellent adhesion between Ni underlayer and FTO glass when Ni underlayer was electroplated at $10mA/cm^2$ for 2 min on FTO glass. We observed Ni and Pt metal diffraction peaks by XRD analysis when Ni underlayer was electroplated at $10mA/cm^2$ for 2 min, and Pt layer was electroplated at $5mA/cm^2$ for 1 min on the Ni underlayer. Photovoltaic performance and impedance analysis of DSSCs fabricated with this counter electrode shows the highest efficiency of 5.6% and the lowest resistance of 75 ohm.

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