한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제42권2호
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  • Pages.63-67
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  • 2009
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  • 1225-8024(pISSN)
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  • 2288-8403(eISSN)
한국표면공학회 (The Korean Institute of Surface Engineering)
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전기도금법을 이용한 태양전지용 CdSe 나노로드 제작

Electrochemical Deposition of CdSe Nanorods for Photovoltaic Cell

  • 김성훈 (홍익대학교 신소재공학과) ;
  • 이재호 (홍익대학교 신소재공학과)
  • Kim, Seong-Hun (Dept. of Materials Science and Engineering, Hongik University) ;
  • Lee, Jae-Ho (Dept. of Materials Science and Engineering, Hongik University)
  • 발행 : 2009.04.30
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초록

CdSe is one of the composite semiconductor materials used in hybrid solar cell. CdSe nanorods were fabricated using electrochemical deposition in anodic aluminum oxide (AAO) template. CdSe were deposited from $CdSO_4$ and $H_2SeO_3$ dissolved aqueous solution by direct current electrochemical deposition. Uniformity of CdSe nanorods were dependent on the diameter and the height of holes in AAO. The current density, current mode, bath composition and temperature were controlled to obtained 1:1 atomic composition of CdSe. CdSe electroplating in AAO is bottom-up filling so we applied direct current is better than others for good uniformity of CdSe nanorods. The optimum conditions to obtain 1:1 atomic composition of CdSe nanorods are direct current $10\;mA/cm^2$, 0.25 M $CdSO_4$-5 mM $H_2SeO_3$ electrolytes at room temperature.

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