Title:	Optical power limiting in fluorinated Graphene Oxide: An insight into the nonlinear optical properties
Authors:	Chantharasupawong, Panit Philip, Reji Narayanan, Narayanan T. +4 Co-authors
Issue Date:	Dec-2012
Publisher:	American Chemical Society
Citation:	Journal of Physical Chemistry C, 2012. Vol 116, p25955-25961
Abstract:	Fluorination of carbon nanomaterials has many advantages due to the unique nature of the carbon–fluorine (C–F) bond. In this work, we report the optical power limiting properties of fluorinated graphene oxide (F–GO) using the optical z-scan technique. In addition, we used the photoacoustic technique to gain insight into the nonlinear processes involved in the optical limiting of samples. The photoacoustic technique enabled us to confirm that optical limiting observed in F–GO at low fluence arises from nonlinear absorption, while that at higher fluence is due to nonlinear scattering. Moreover, we found that F–GO has high nonlinear absorption and nonlinear scattering and its optical limiting threshold is about an order of magnitude better than that of graphene oxide (GO)
Description:	Restricted Access.
URI:	http://hdl.handle.net/2289/6427
ISSN:	1932-7447 1932-7455 (Online)
Alternative Location:	http://dx.doi.org/10.1021/jp3096693
Copyright:	2012 American Chemical Society
Appears in Collections:	Research Papers (LAMP)

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