The present invention relates to a back contact and methods of making the same. In the present invention, rapid thermal processing is highly effective to activate ZnTe:Cu-based back contacts, and provides significant improvements in V.sub.OC, FF, and efficiency.
GOVERNMENT LICENSE RIGHTS
 This invention was made with government support under grant numbers DE-EE0004946 and AC36-08-GO28308 awarded by the Department of Energy (DOE). The Government has certain rights in the invention.