Simulation and modelling of photonic and plasmonic crystal back reflectors for efficient light trapping

TitleSimulation and modelling of photonic and plasmonic crystal back reflectors for efficient light trapping
Publication TypeJournal Article
Year of Publication2010
AuthorsBiswas R, Zhou DY
Journal TitlePhysica Status Solidi a-Applications and Materials Science
Volume207
Pages667-670
Date Published03/01
ISBN Number1862-6300
Accession NumberISI:000276339800037
Keywordssolar-cells
Abstract

We design photonic crystal back reflectors for thin film a-Si:H solar cells that maximize the absorption of photons within the absorber layer. Rigorous scattering matrix (S-matrix) simulation approaches are used where Maxwell's equations are rigorously solved for the layered solar cell structure. Metallic photonic crystals consisting of hole arrays as well as metallic pyramidal arrays are considered. Simulations predict an optimum lattice spacing between 700 and 750 nm and an increase in absorption of The metallic photonic crystals strongly diffract light within the absorber layer, and are very effective in harvesting weakly absorbing photons with energies just above the band edge. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

URL<Go to ISI>://000276339800037