A method for forming a thin film photovoltaic device. The method includes providing a transparent substrate comprising a surface region, forming a first electrode layer overlying the surface region, forming a copper layer overlying the first electrode layer and forming an indium layer overlying the copper...http://www.google.se/patents/US8193028?utm_source=gb-gplus-sharePatent US8193028 - Sulfide species treatment of thin film photovoltaic cell and manufacturing method
