Abstract
Studies the effects of adding Zn to CdS films and solar cells. It was observed that the film surface structures were quite similar to CdS films although the electronic properties showed a marked difference as the film resistivity increased considerably with increasing Zn concentration. Measurements on uniformly doped CuxS/CdyZn1-yS solar cells showed no significant improvements in the photovoltaic response for concentrations up to 10% of Zn. Similar measurements on a CuxS/Cd0.9Zn0.1S, CdS solar cell, however, showed a significant increase in the open-circuit voltage, suggesting that the high series resistance in Zn-added films could be a cause for the observed low photovoltage.
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