Thin film plasmonic solar cell
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United States of America Patent
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Apr 17, 2018
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app pub date -
Aug 17, 2017
filing date -
May 20, 2015
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Abstract
A plasmonic scattering nanomaterial comprising a substrate layer, a metal oxide layer in continuous contact with the substrate layer and silver nanoparticles with a diameter of 25-300 nm deposited on the metal oxide layer is disclosed. The silver nanoparticles have a broad size distribution and interparticle distances such that the silver nanoparticles plasmonically scatter light throughout the metal oxide layer with a near electric field strength of 1-30 V/m when excited by a light source having a wavelength in the range of 300-500 nm and/or 1000-1200 nm. In addition, a method for producing the nanomaterial by sputter deposition is disclosed as well as an appropriate thin film plasmonic solar cell comprising the nanomaterial with a solar efficiency of at least 10%.
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