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Justin Jefferies and Ribal Georges Sabat Surface-relief diffraction gratings' optimization for plasmonic enhancements in thin-film solar cells Progress in Photovoltaics: Research and Applications 22

Version of Record online: 18 DEC 2012 | DOI: 10.1002/pip.2326

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Surface plasmon excitation trials were carried out on various dielectric-metal interfaces in order to optimize plasmonic photocurrent enhancements in organic P3HT-PCBM photovoltaic thin films. The SPs were optically excited via the diffraction grating method using single, crossed and parallel grating schemes. Photocurrent enhancements up to 355% were demonstrated. When comparing the photocurrent enhancements seen on single and crossed gratings, those seen on parallel gratings were comparable in magnitude, but shown over a broader optical band.

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