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Mode-based analysis of silicon nanohole arrays for photovoltaic applications

Donnelly, Justin L.; Sturmberg, Bjorn C. P.; Dossou, Kokou B; Botten, Lindsay; Asatryan, Ara A; Poulton, Christopher; McPhedran, Ross; de Sterke, C Martijn

Description

We investigate the optical properties of silicon nanohole arrays for application in photovoltaic cells in terms of the modes within the structure. We highlight three types of modes: fundamental modes, important at long wavelengths; guided resonance modes, which enhance absorption for wavelengths where the intrinsic absorption of silicon is low; and channeling modes, which suppress front-surface reflection. We use this understanding to explain why the parameters of optimized nanohole arrays...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/103472
Source: Optics Express
DOI: 10.1364/OE.22.0A1343

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