Tristan L. Temple and Darren M. Bagnall Broadband scattering of the solar spectrum by spherical metal nanoparticles Progress in Photovoltaics: Research and Applications 21
Metal nanoparticles are a promising approach for light trapping in solar cells due to their strong and highly tuneable scattering response. However, there are a large number of parameters that must be optimised to maximise scattering and minimise parasitic absorption. We have used simulated scattering spectra to study the importance of nanoparticle size, constituent metal, surface coverage and the refractive index of the surrounding medium. In the ideal case, over 97% of the AM1.5 spectrum from 400 to 1100 nm can be scattered.
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