NREL, First Solar Collaboration Enhance Thin-Film Solar Cells Updated On Wed, Aug 21st, 2019 by Saurenergy Scientists at NREL and First Solar have created a new approach for making CdTe solar cells, and have reported efficiency of nearly 20.8% Scientists at the National Renewable Energy Laboratory (NREL) and First Solar have announced that they have “unwound 30 years of history to create” a new approach for making cadmium telluride (CdTe) solar cells, […] Read more