GOLDEN, Colorado, July 2 (TNSres) -- The U.S. Department of Energy's National Renewable Energy Laboratory issued the following news release: A research effort led by scientists at the U.S. Department of Energy's (DOE's) National Renewable Energy Laboratory (NREL) has made advances that could enable a broader range of currently unimagined optoelectronic devices. The researchers, whose previous innovation included incorporating a perovskite layer that allowed the creation of a new type of polari  more