Triple-junction solar cell design could break 50 percent conversion barrier
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Reported timeline of solar cell energy conversion efficiencies (Photo: National Renewable Energy Laboratory (USA))
Schematic diagram of a multi-junction solar cell formed from materials lattice-matched to InP and achieving the bandgaps for maximum efficiency (Photo: U.S. Naval Research Laboratory)
Article Summary
The current world record for triple-junction solar cell efficiency is 44 percent, but a collaboration between the U.S. Naval Research Laboratory (NRL), the Imperial College of London, and MicroLink Devices Inc. has led to a multi-junction photovoltaic cell design that could break the 50 percent conversion efficiency barrier under concentrated solar illumination.
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