
Solar Cell With 39.5% Efficiency in 1-Sun Illumination Developed Using Quantum Wells
Scientists at the National Renewable Energy Laboratory (NREL) in the U.S used gallium arsenide (GaAs) with quantum wells and invented a multijunction solar cell that exhibited a record efficiency of ...

Ultrathin Solar Cells Reach Nearly 20% Efficiency
Researchers at the French Centre de Nanosciences et de Nanotechnologies (C2N) have collaborated with researchers at Fraunhofer Institute for Solar Energy Systems (ISE) and others to efficiently capture the sunlight ...