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Browse Journals & Magazines > Applied Physics Letters ...> Volume:95 Issue:3 Help

Enhancement in optical absorption of silicon fibrous nanostructure produced using femtosecond laser ablation

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4 Author(s)
Mahmood, Abdul Salam ; Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada ; Sivakumar, M. ; Venkatakrishnan, Krishnan ; Tan, Bo

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3168499 

Fibrous nanostructures are proposed for the application of solar cell. Irradiation of silicon surface with a few hundred femtosecond laser pulses of fluence 13 kJ/m2 at 13 MHz pulse frequency in air atmosphere results in the formation of fibrous nanostructure layer on the treated surface that leads to a significant decrease in the reflection of visible radiation. For the visible wavelength, the decreased reflection is a result of the nature of the nanostructure. The Raman peak shift in the irradiated surface confirms that the surface is changed to amorphous silicon due to fibrous nanostructure formation.

Published in:
Applied Physics Letters  (Volume:95 ,  Issue: 3 )

Date of Publication: Jul 2009

Page(s):
034107 - 034107-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.3168499
Product Type:
Journals & Magazines
Date of Current Version :
31 July 2009
Issue Date :
Jul 2009

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