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Published May 2008 | Published
Book Section - Chapter Open

Plasmon-enhanced absorption and photocurrent in ultrathin GaAs solar cells with metallic nanostructures


Metallic nanostructures can excite surface plasmons and can dramatically increase the optical path length in thin active photovoltaic layers to enhance overall photoabsorption. This effect has potential for cost and weight reduction with thinned layers and also for efficiency enhancement associated with increased carrier excitation level in the absorber layer.

Additional Information

© 2008 IEEE. This work was supported by the DOE, Basic Energy Sciences and GCEP. Dr. Frank Dimroth of the Fraunhofer Institute is acknowledged for the GaAs solar cell growth.

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August 19, 2023
October 20, 2023