Solar Power Without Silicon

Wired News has a good article today on several companies that are moving away from silicon based photovoltaic cells and developing solar cells that use other materials. They talk about Nanosolar, who are building a factory to make thin-film solar energy cells using copper based semiconductors, Miasole’, who have developed a competing thin-film cell using a layer of photoactive material containing a compound called CIGS, and Konarka, a start up company that has agreements in place with several manufacturers to produce a printed “power plastic” to supply solar power for portable devices.

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