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09 Apr 13. A Spectrolab solar cell recently set a world record by converting more energy from the sun into electricity than any other ground-based solar cell without solar concentration. The Boeing subsidiary’s achievement in ground-based solar cell efficiency was verified by the U.S. Department of Energy’s National Renewable Energy Laboratory in Golden, Colo. The cell converted 37.8 percent of solar energy using a new class of high-efficiency multi-junction solar cell, created from two or more materials and leveraging Boeing technology that makes semiconductor materials more reliable. The record was set without concentration, the common practice of having lenses or mirrors focus solar rays on the cells. Spectrolab, which is part of the Boeing Defense, Space & Security unit, is the world’s leading merchant supplier of high-efficiency multi-junction solar cells and panels for concentrated photovoltaic and spacecraft power systems. Spectrolab offers sensors and solar simulators, in addition to being the world’s leading provider of airborne searchlights.