December 11, 2006

Boeing Spectrolab Terrestrial Solar Cell Surpasses 40 Percent Efficiency
Boeing says it's solarcell manufacturing subsidiary Spectrolab, has achieved a new world record in terrestrial concentrator solar cell efficiency. Using concentrated sunlight, Spectrolab demonstrated the ability of a photovoltaic cell to convert 40.7 percent of the sun's energy into electricity. The U.S. Department of Energy's National Renewable Energy Laboratory (NREL) in Golden, Colo., verified the milestone.
http://www.spacedaily.com/reports/Boeing_Spectrolab_Terrestrial_Solar_Cell_Surpasses_40_Percent_Efficiency_999.html