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Light absorption enhancement of amorphous silicon film coupled with metal nanoshells |
JOSA B, Vol. 30, Issue 2, pp. 405-409 (2013)
http://dx.doi.org/10.1364/JOSAB.30.000405
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Abstract
Increasing the light absorption in the weakly absorbing near-bandgap region is of great significance for improving efficiency in a thin-film silicon solar cell. In this study, light absorption enhancement near the infrared domain was realized by coating Ag nanoshells on the front side of amorphous silicon film. Detailed investigations prove that the enhancement can be related to the excitation of localized surface plasmons (LSPs). LSP scattering-induced light coupling in the guided mode, intense in-phase interference between the scattering field and the transmitted field, and the Floquet mode were observed in the simulated E-field profile, and the significant absorption enhancement was accounted for by these effects.
© 2013 Optical Society of America
OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(350.6050) Other areas of optics : Solar energy
ToC Category:
Optics at Surfaces
History
Original Manuscript: June 21, 2012
Revised Manuscript: November 24, 2012
Manuscript Accepted: December 2, 2012
Published: January 22, 2013
Citation
Peihong Cheng, Hongxia Zhao, Jilong Bao, Ligang Wu, Dongsheng Li, and Deren Yang, "Light absorption enhancement of amorphous silicon film coupled with metal nanoshells," J. Opt. Soc. Am. B 30, 405-409 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-2-405
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