“Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another.”
Napoleon Hill, American writer (1883-1970).
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.