Making Graphene Luminescent by Oxygen Plasma Treatment
ACS Nano2009Vol. 3(12), pp. 3963–3968
Citations Over TimeTop 1% of 2009 papers
Tobias Gokus, Rajeev Nair, A. Bonetti, Miriam Böhmler, Antonio Lombardo, Kostya S. Novoselov, A. K. Geǐm, Andrea C. Ferrari, Achim Hartschuh
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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