| 摘要 |
Provided is a compound semiconductor solar cell. The compound semiconductor solar cell includes: an impurity diffusion preventing layer disposed on a substrate, added with an alkali component, and formed of a metal layer of one of Cr, Co, or Cu; a rear electrode disposed on the impurity diffusion preventing layer and formed of Mo; a CIGS based light absorbing layer disposed on the rear electrode; and a front transparent electrode disposed on the light absorbing layer.
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