Luminescent silica nanoparticles to increase the efficiency of solar cells.
Enrichi F. , Cattaruzza E., Gonella F., Riello P., Vomiero A., Righini G.C.
VI - Fisica applicata, acceleratori e beni culturali
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Dielectric nanoparticles deposited on the surface of solar cells may increase their efficiency by increasing the light trapping into the active layer. Moreover, energy harvesting may be improved by applying spectral conversion materials, to convert poorly absorbed frequencies of the solar spectrum into the region of maximum absorption of the cell. With the idea of combining these two approaches, we report the preparation and application of downshifting silica nanoparticles, discussing their potential for increasing the efficiency of silicon solar cells.