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  • Semiconductor manufacturing technique holds promise for solar energy

    A flexible array of gallium arsenide solar cells. Gallium arsenide and other compound semiconductors are more efficient than the more commonly used silicon.

    A flexible array of gallium arsenide solar cells. Gallium arsenide and other compound semiconductors are more efficient than the more commonly used silicon.

    Photo courtesy John Rogers

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  • Editor's note: To contact John Rogers, call 217-244-4979; e-mail jrogers@illinois.edu; Xiuling Li, 217-265-6354; email xiuling@illinois.edu.