Thought for the month

“The best time to plant a tree was 20 years ago. The second best time is now.” Origin uncertain, usually attributed as a Chinese Proverb.

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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