Photovoltaic Device Including a CZTS Absorber Layer and Method of Manufacturing the Same

摘要

A photovoltaic device including a CZTS absorber layer and method for manufacturing the same are disclosed. The photovoltaic device includes a substrate, a bottom electrode, an absorber layer formed on the bottom electrode, a buffer layer formed on the absorber layer and a top electrode layer formed on the buffer layer. The absorber layer includes a first region adjacent to the bottom electrode and a second region adjacent to the first region. Both of the first region and the second region include a formula of Cua(Zn1-bSnb)(Se1-cSc)2, wherein 0