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Optics Letters

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  • Vol. 36, Iss. 9 — May. 1, 2011
  • pp: 1713–1715

Enhanced optical absorption in nanopatterned silicon thin films with a nano-cone-hole structure for photovoltaic applications

Qing Guo Du, Chan Hin Kam, Hilmi Volkan Demir, Hong Yu Yu, and Xiao Wei Sun  »View Author Affiliations


Optics Letters, Vol. 36, Issue 9, pp. 1713-1715 (2011)
http://dx.doi.org/10.1364/OL.36.001713


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Abstract

In this paper, the optical properties of the silicon nano-cone-hole (NCH) structure array are studied. The ultimate efficiency of the optimized NCH array is enhanced by 23.11% compared to an optimized nanohole array of the same thickness. The absorptance enhancement of the NCH arrays is attributed to its lowered reflectance, more supported resonant modes, and enhanced mode interaction. The angular dependence of ultimate efficiency is also investigated.

© 2011 Optical Society of America

OCIS Codes
(040.5350) Detectors : Photovoltaic
(310.6628) Thin films : Subwavelength structures, nanostructures
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Thin Films

History
Original Manuscript: March 14, 2011
Manuscript Accepted: April 6, 2011
Published: April 29, 2011

Citation
Qing Guo Du, Chan Hin Kam, Hilmi Volkan Demir, Hong Yu Yu, and Xiao Wei Sun, "Enhanced optical absorption in nanopatterned silicon thin films with a nano-cone-hole structure for photovoltaic applications," Opt. Lett. 36, 1713-1715 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-9-1713


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