Enhanced light absorption in an ultrathin silicon solar cell utilizing plasmonic nanostructures

Publication: Research - peer-reviewConference article – Annual report year: 2012

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Nowadays, bringing photovoltaics to the market is mainly limited by high cost of electricity produced by the photovoltaic solar cell. Thin-film photovoltaics offers the potential for a significant cost reduction compared to traditional photovoltaics. However, the performance of thin-film solar cells is generally limited by poor light absorption. We propose an ultrathin-film silicon solar cell configuration based on SOI structure, where the light absorption is enhanced by use of plasmonic nanostructures. By placing a one-dimensional plasmonic nanograting on the bottom of the solar cell, the generated photocurrent for a 200 nm-thickness crystalline silicon solar cell can be enhanced by 90% in the considered wavelength range. These results are paving a promising way for the realization of high-efficiency thin-film solar cells.
Original languageEnglish
JournalProceedings of SPIE, the International Society for Optical Engineering
Publication date2012
Volume8457
Pages84572A
Number of pages7
ISSN0277-786X
DOIs
StatePublished

Conference

Conference2012 Optics+Photonics : Plasmonics: Metallic Nanostructures and Their Optical Properties X
CountryUnited States
CitySan Diego
Period12/08/1216/08/12
CitationsWeb of Science® Times Cited: 0

Keywords

  • Diffraction and gratings, Optics at surfaces
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