Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 354, Issue 19-25, Pages 2488-2491Publisher
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2007.09.031
Keywords
solar cells; nanoparticles
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Silver nanoparticles, produced by thermal evaporation and a subsequent annealing treatment, were integrated at the back side of thin-film silicon solar cells. Metallic nanoparticles can lead to (i) a strong enhancement of the electric field in their surrounding when they are irradiated by light and (ii) significant scattering of the light when they have the proper diameter (>100 nm). In this study, we investigated the optical properties of two types of substrates, one with large and well separated ellipsoidal silver nanoparticles (with average lateral size of 300 nm), and the other with silver nanostructures connected to each other. Furthermore, these substrates were used as back reflectors in microcrystalline silicon solar cells in substrate (n-i-p) configuration. (C) 2007 Elsevier B.V. All rights reserved.
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