Indium Nitride.
Promises solar cells in the 50% to 70% efficiency range at very low costs.

        http://www.spacedaily.com/news/solarcell-02m.html



        "It's as if nature designed this material on purpose
        to match the solar spectrum,"

        says MSD's Wladek Walukiewicz, who led the
        collaborators in making the discovery.


        :-)

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