Optics and light trapping for tandem solar cells on silicon
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Lal, Niraj; White, Thomas; Catchpole, Kylie
Description
The rapid advancement of thin-film photovoltaic (PV) technology increases the real possibility of large-area Si-based tandems reaching 30% efficiency, although light in these devices must be managed carefully. We identify the optical requirements to reach high efficiencies. Strict conditions are placed on material parasitic absorption and transmission of contacts: Absorption of 20% of sub-bandgap light leads to the required top-cell efficiencies of 18% at a bandgap of 1.5 eV to break even and...[Show more]
Collections | ANU Research Publications |
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Date published: | 2014 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/75821 |
Source: | IEEE Journal of Photovoltaics |
DOI: | 10.1109/JPHOTOV.2014.2342491 |
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01_Lal_Optics_and_light_trapping_for_2014.pdf | 1.02 MB | Adobe PDF | Request a copy |
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