Thought for the month

“You cannot have freedom without a rule of law ... and if you don't have it, what you tend to get is corruption and that is death to freedom, it's death to truth, it's death to honour, it's death to democracy.”

Margaret Thatcher, 1 October 1996.

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.

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