“In the choice between changing one’s mind and proving there is no need to do so, most people get busy on the proof.” John K. Galbraith, Economist (1908 – 2006).
Monday, 12 December 2016
New multi-junction solar cell record
A conversion efficiency of 30.2 percent for a
III-V / Si multi-junction solar cell has been measured at the Fraunhofer
Institute for Solar Energy Systems.
The 4 cm² device was made of GaInP, GaAs and Si stacks.