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Dielectric Diffraction Gratings for Light-Trapping in InGaAs-GaAs Quantum Well Solar Cells

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


The enhancement in short-circuit current density (Jsc) provided by a TiO2 diffraction grating composed of rectangular strips at the rear of an In0.21Ga0.79As-GaAs quantum well solar cell (QWSC) is investigated using finite-difference time-domain (FDTD) simulations. Optimisation of the grating height, periodicity and fill-factor yielded an enhancement of 5.3% in Jsc over the reference cell.

CollectionsANU Research Publications
Date published: 2012
Type: Conference paper
Source: COMMAD 2012 Proceedings
DOI: 10.1109/COMMAD.2012.6472394


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