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Dielectric diffraction gratings for light-trapping in InGaAs-GaAs quantum well solar cells

Turner, S., Mokkapati, Sudha, Jolley, G., Fu, L., Tan, H. H. and Jagadish, C. 2012. Dielectric diffraction gratings for light-trapping in InGaAs-GaAs quantum well solar cells. Presented at: COMMAD 2012, Melbourne, Australia, 12-14 December 2012. COMMAD 2012 Conference on Optoelectronic and Microelectronic Materials & Devices. IEEE, pp. 129-130. 10.1109/COMMAD.2012.6472394

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Abstract

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.

Item Type: Conference or Workshop Item (Paper)
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Uncontrolled Keywords: Gratings, Diffraction, Plasmons, Absorption, Dielectrics, Diffraction gratings, Gallium arsenide
Publisher: IEEE
ISBN: 9781467330459
ISSN: 1097-2137
Date of Acceptance: 3 March 2013
Last Modified: 14 Feb 2018 11:53
URI: http://orca-mwe.cf.ac.uk/id/eprint/109110

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