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High-efficiency III-V solar cells can be used cost-effectively in high-concentration modules. The Fraunhofer ISE - in cooperation with the Ioffe Institute St. Petersburg - has developed the FLATCON/spl trade/-modules: Fresnel Lens All-glass Tandem-cell CONcentrator modules. A 500x concentration is obtained by using Fresnel lenses which are fabricated directly on a glass sheet. The module housing is...
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