Journal of the Korean Vacuum Society (한국진공학회지)

The Korean Vacuum Society (한국진공학회)
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Fabrication of large scale $Cu_2$S/CdS solar cells prepared by spray pyrolysis

Spray pyrolysis 방법에 의한 넓은 면적의 $Cu_2$S/CdS 태양전지의 제작

  • Published : 1996.12.01
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Abstract

We fabricated the effective $Cu_2S$/CdS solar cells with large area by a spray pyrolysis method. In preparation process, we investigated the process parameters which directly influenced the efficiency of solar cell, such as the grid contact for electrodes, the temperature condition of CdS spray and the junction characteristics of $Cu_2S$ layer, by scanning electron microscope(SEM), x-ray diffraction(XRD) and temperature dependent optical absorption and photoconductivity. The $Cu_2S$/CdS solar cell with area of 1$\textrm{cm}^2$ showed the efficient of 3.15% under air mass 2(AM2) spectrum irradiation with 75mW/$\textrm{cm}^2$.

Spray pyrolysis 방법으로 넓은 면적의 $Cu_2S$/CdS 태양전지를 제작하였다. 제작과정에서 전극형성, CdS spray 온도조건, $Cu_2S$층의 접합 조건등 태양전지의 효율에 영향을 주는 요인을 조사하였다. CdS 박막의 조건은 주사 전자현미경, X-선 회절기, 온도변화에 따른 광흡수 및 관전도 특성등을 통해 결정하였다. 1$\textrm{cm}^2$의 면적의 전지에 air mass 2(AM2)인 75mW/$\textrm{cm}^2$로 빛을 조사했을 때 3.15%의 효율을 얻었다.

Keywords

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