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Cadmium telluride (CdTe) polycrystalline thin-films have long been recognized as a leading material in realizing cost effective and reliable photovoltaic (PV) cells. The formation of a stable, low resistance, non-rectifying contact to p-CdTe is one of the major and critical challenges associated with this kind of solar cells. The aim of this work is the systematic investigation of back-contact materials...
Boron-doped CdS films were prepared by chemical bath deposition using boric acid as dopant source, and their electrical and optical properties were investigated. As the boron doping concentration increased, the resistivity significantly decreased and exhibited the lowest resistivity of 2 /spl Omega/-cm at 0.01 of [B/Cd] ratio. The characteristics of the CdS/CdTe solar cell improved when boron doped...
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