
You did read that. The highly inefficient thin film solar cells have almost caught up to the standard silicon solar cells. Although these cells aren't going to be coming into production anytime soon, but the future might hold a drastic price decrease for solar cells.
Researchers from the U.S. Department of Energy’s National Renewable Energy Laboratory have come up with a new formulation for thin film solar cells that can compete with the efficiency of the common silicon based solar cell.
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