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Title: A comparative Raman study of the interaction of electron donor and acceptor molecules with graphene prepared by different methods
Authors: Subrahmanyam, K S
Voggu, Rakesh
Govindaraj, A
Rao, C N R
Keywords: Spectroscopy
Issue Date: 6-Apr-2009
Publisher: Elsevier Science BV
Citation: Chemical Physical Letters 472(1-3), 96-98 (2009)
Abstract: Interaction of tetrathiafulvalene (TTF) and tetracyanoethylene (TCNE) with few-layer graphene samples prepared by the exfoliation of graphite oxide (EG), conversion of nanodiamond (DG) and arc-evaporation of graphite in hydrogen (HG) has been investigated by Raman spectroscopy to understand the role of the graphene surface. The position and full-width at half maximum of the Raman G-band are affected on interaction with TTF and TCNE and the effect is highest with EG and least with HG. The effect of TTF and TCNE on the 2D-band is also maximum with EG. The magnitude of interaction between the donor/acceptor molecules varies in the same order as the surface areas of the graphenes. (C) 2009 Published by Elsevier B. V.
Description: Restricted Access
Other Identifiers: 0009-2614
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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