Abstract:A new procedure to realize low resistance contact to polycrystalline CdTe thin films deposited by CSS method will be presented. Initially, the CdTe samples are etched with an oxidant agent in order to form a Te-rich surface layer; subsequently the CdTe samples are dipped in a CuCl solution to form a p+ -CuxTe (15x52) layer through an ion -exchange chemical reaction; finally, the samples were contacted with Cu and Cu/Au deposited by thermal evaporation and C:Cu deposited by DC magnetron sputtering. Contact resi… Show more
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