Transparent conducting oxide films of cadmium stannate (Cd2SnO4) have several significant advantages over conventional transparent conducting oxides. They are more conductive, more transparent, have lower surface roughness, are patternable, and are exceptionally stable. Cd2SnO4-based CdS/CdTe polycrystalline thin-film solar cells with efficiencies of 13.7% have been fabricated for the first time. Preliminary cell results have demonstrated that device performance can be enhanced by replacing the SnO2 layer with a Cd2SnO4 transparent conductive oxide.
X. Wu, P. Sheldon, T. Coutts
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