KAUST Grant NumberKUSC1-015-21
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AbstractWe use a rigorous electromagnetic approach to analyze the fundamental limit of light-trapping enhancement in grating structures. This limit can exceed the bulk limit of 4n 2, but has significant angular dependency. We explicitly show that 2D gratings provide more enhancement than 1D gratings. We also show the effects of the grating profile’s symmetry on the absorption enhancement limit. Numerical simulations are applied to support the theory. Our findings provide general guidance for the design of grating structures for light-trapping solar cells.
CitationYu Z, Raman A, Fan S (2010) Fundamental limit of light trapping in grating structures. Optics Express 18: A366. Available: http://dx.doi.org/10.1364/oe.18.00a366.
SponsorsThis work was supported by DOE Grant No. DE- FG02-07ER46426 and by the Center forAdvanced Molecular Photovoltaics (CAMP) (Award No KUSC1-015-21) made by KingAbdullah University of Science and Technology (KAUST).
PublisherThe Optical Society
CollectionsPublications Acknowledging KAUST Support
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