“It is a general popular error to suppose the loudest complainers for the public to be the most anxious for its welfare.” Edmund Burke, politician (1729 – 97).
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.