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ECN publication
Modeling Improvement of Spectral Response of Solar Cells by Deployment of Spectral Converters Containing Semiconductor Nanocrystals
Sark, W.G.J.H.M. van; Meijerink, A.; Schropp, R.E.I.; Roosmalen, J.A.M. van; Lysen, E.H.
Published by: Publication date:
ECN Solar Energy 1-8-2004
ECN report number: Document type:
ECN-RX--04-102 Conference Paper
Number of pages: Full text:
8 Download PDF  

Presented at: Symposium on the efficient use of solar radiation in photovoltaic power engineering, St. Petersburg, Russia, 3-4 november 2003.

A planar converter containing quantum dots as wavelength-shifting moietieson top of a solar cell was studied. The highly efficient quantum dots are to shift the wavelengths where the spectral response of the solar cell is low to wavelengths where the spectral response is high in order to improve the conversion efficiency of the solar cell. It was calculated that quantum dots with an emission at 603 nm increase the multicrystalline solar cell short-circuit current by nearly 10%. Simulation results for planar converters on hydro-generated amorphous silicon solar cells show no beneficial effects, due to the high spectral response at low wavelength.

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