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. 2009 Dec 22;3(12):3963-8.
doi: 10.1021/nn9012753.

Making graphene luminescent by oxygen plasma treatment

T Gokus  1 , R R Nair, A Bonetti, M Böhmler, A Lombardo, K S Novoselov, A K Geim, A C Ferrari, A Hartschuh
Affiliations

Making graphene luminescent by oxygen plasma treatment

T Gokus et al. ACS Nano. .

Abstract

We show that strong photoluminescence (PL) can be induced in single-layer graphene using an oxygen plasma treatment. The PL is spatially uniform across the flakes and connected to elastic scattering spectra distinctly different from those of gapless pristine graphene. Oxygen plasma can be used to selectively convert the topmost layer when multilayer samples are treated.

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