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Periodic dielectric structures for light-trapping in InGaAs/GaAs quantum well solar cells

Turner, Sam; Mokkapati, Sudha; Jolley, Greg; Fu, Lan; Tan, Hark Hoe; Jagadish, Chennupati


We study dielectric diffraction gratings for light-trapping in quantum well solar cells and compare their performance with plasmonic and Lambertian light-trapping structures. The optimum structural parameters are identified for symmetric uni-periodic, symmetric bi-periodic and asymmetric bi-periodic gratings. The enhancement in short-circuit current density from the quantum well region with respect to a reference cell with no diffraction grating is calculated. The ratio of this enhancement to...[Show more]

CollectionsANU Research Publications
Date published: 2013-05-06
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.21.00A324


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