Dielectric Diffraction Gratings for Light-Trapping in InGaAs-GaAs Quantum Well Solar Cells
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Turner, Samuel (Sam)
Mokkapati, Sudha
Jolley, Greg
Fu, Lan
Jagadish, Chennupati
Tan, Hark Hoe
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Institute of Electrical and Electronics Engineers (IEEE Inc)
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.
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COMMAD 2012 Proceedings
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2037-12-31
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