摘要 |
A photovoltaic cell having improved stability and lifetime comprising a cadmium sulfide film, an overlying copper sulfide film and deposited on the copper sulfide film, a film selected from the group consisting of a film of chromium, a film of chromium having deposited thereon a film of copper, a film of copper having deposited thereon a film of chromium and a film of an admixture of chromium and copper. A method for making such a photovoltaic cell is also disclosed. |