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Plasmonic Enhancement of Photocurrent in a Hybrid Structure with a Subwavelength Aluminum Grating

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Strong anisotropy of photocurrent excitation is observed in a hybrid photovoltaic structure comprising a film of organic-semiconductor blend and a subwavelength metal grating at one of the electrodes. The results… Click to show full abstract

Strong anisotropy of photocurrent excitation is observed in a hybrid photovoltaic structure comprising a film of organic-semiconductor blend and a subwavelength metal grating at one of the electrodes. The results are explained in the context of a numerical model demonstrating different characters of localization of optical fields with different polarizations and, correspondingly, the polarization-selective excitation of plasmons.

Keywords: photocurrent; photocurrent hybrid; subwavelength; structure; plasmonic enhancement; enhancement photocurrent

Journal Title: JETP Letters
Year Published: 2018

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