Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
79897 | Solar Energy Materials and Solar Cells | 2009 | 7 Pages |
Abstract
A photonic light trap, i.e. a combination of an angularly selective filter and a light scattering process in a solar cell, results in potentially very efficient light trapping. Angularly selective filters are investigated theoretically and experimentally. One of the filters is used to realize a photonic light trap for a thin-film solar cell with amorphous-silicon absorber layer on a roughened superstrate. We experimentally demonstrate that the light absorption in this solar cell is enhanced by 25% in a wavelength range of 700–750 nm. Accordingly, the quantum efficiency of the solar cell demonstrates an increase of 25% in the same wavelength range.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Marius Peters, Jan Christoph Goldschmidt, Thomas Kirchartz, Benedikt Bläsi,