Improvements in thin film CdTe back contact and interface layers through sputter deposition of metals and semiconductor materials
The photovoltaic industry has grown at an average annual rate of 50% over the last ten years. In that time, solar module prices have dropped significantly, with the current levelized cost of electricity averaged at $0.03 per kilowatt hour. Cadmium telluride (CdTe) photovoltaics are a common commercially produced thin-film solar cell. The leader in CdTe module production and research and development is First Solar. First Solar has set the record for research scale CdTe devices, achieving an efficiency of 22.1%, far from the theoretical limit. Improving interface layers has been identified as one ...
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