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Browse Journals & Magazines > Applied Physics Letters ...> Volume:94 Issue:11 Help

Photoluminescence and band gap modulation in graphene oxide

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5 Author(s)
Zhengtang Luo ; Department of Physics and Astronomy, The University of Pennsylvania, 209 South 33rd Street, Philadelphia, Pennsylvania 19104, USA ; Vora, Patrick M. ; Mele, Eugene J. ; Johnson, A.T.C.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3098358 

We report broadband visible photoluminescence from solid graphene oxide, and modifications of the emission spectrum by progressive chemical reduction. The data suggest a gapping of the two-dimensional electronic system by removal of π-electrons. We discuss possible gapping mechanisms, and propose that a Kekule pattern of bond distortions may account for the observed behavior.

Published in:
Applied Physics Letters  (Volume:94 ,  Issue: 11 )

Date of Publication: Mar 2009

Page(s):
111909 - 111909-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.3098358
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
Mar 2009

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