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Energy

Sumitomo forms photovoltaic venture

November 6, 2006 | A version of this story appeared in Volume 84, Issue 45

Sumitomo Chemical and Phoenix-based RoseStreet Labs are forming a joint venture to develop and manufacture full-spectrum solar cells. The venture will use technology licensed from Lawrence Berkeley National Laboratory and Cornell University for semiconductor devices that use a larger portion of the solar spectrum than do existing solar materials and generate electricity at practical efficiencies above 48%, three times greater than can be achieved with silicon-based solar cells, the companies say. The joint venture, RSL Energy, hopes to have the first prototypes ready by 2008.

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