Researchers from Germany's Centre for Solar Energy and Hydrogen Research (ZSW) recently announced a new record for thin-film solar cell efficiency of 20.1 percent, beating a previously-held mark by the U.S. National Renewable Energy Lab (NREL).
Researchers from Germany's Centre for Solar Energy and Hydrogen Research (ZSW) recently announced a new record for thin-film solar cell efficiency of 20.1 percent, beating a previously-held mark by the U.S. National Renewable Energy Lab (NREL).