Monday, January 08, 2007

It is all about Efficiency!

Spectrolab, a subsidiary of Boeing, has announced that a multi-junction solar cell using GaAs, GaIn, and Ge in a concentrator has achieved 40.7% efficiency. This is a big improvement over the commercially available ones that top out at around 28% bare. This may well lead to commercially viable PV power generation if the cell can be ramped up to mass production.

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