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Optimal wavelength scale diffraction gratings for light trapping in solar cells

Chong, Teck Kong; Wilson, Jonathon; Mokkapati, Sudha; Catchpole, Kylie


Dielectric gratings are a promising method of achieving light trapping for thin crystalline silicon solar cells. In this paper, we systematically examine the potential performance of thin silicon solar cells with either silicon (Si) or titanium dioxide (TiO2) gratings using numerical simulations. The square pyramid structure with silicon nitride coating provides the best light trapping among all the symmetric structures investigated, with 89% of the expected short circuit current density of the...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Journal of Optics A: Pure and Applied Optics
DOI: 10.1088/2040-8978/14/2/024012


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