AVS 58th Annual International Symposium and Exhibition
    Nanometer-scale Science and Technology Division Wednesday Sessions
       Session NS-WeM

Paper NS-WeM6
Plasma-based Approach to Controlling the Properties of Graphene

Wednesday, November 2, 2011, 9:40 am, Room 203

Session: Carbon-Based Nanomaterials
Presenter: Sandra Hernández, Naval Research Laboratory (NRL)
Authors: S.C. Hernández, Naval Research Laboratory (NRL)
M. Baraket, Naval Research Laboratory (NRL)
S.G. Walton, Naval Research Laboratory (NRL)
W.K. Lee, Naval Research Laboratory (NRL)
C.R. Tamanaha, Naval Research Laboratory (NRL)
P.E. Sheehan, Naval Research Laboratory (NRL)
J.T. Robinson, Naval Research Laboratory (NRL)
V.D. Wheeler, Naval Research Laboratory (NRL)
R.L. Myers-Ward, Naval Research Laboratory (NRL)
L.O. Nyakiti, Naval Research Laboratory (NRL)
Eddy, Naval Research Laboratory (NRL)
D.K. Gaskill, Naval Research Laboratory (NRL)
Correspondent: Click to Email
Graphene has attracted a widespread of interest because of its unique structural and electronic properties however, manipulation of these properties is necessary before realizing its full potential as the next generation material in a broad range of electronic and sensing applications. Specifically, tailoring the surface chemistry of graphene by the addition of functional groups is an attractive way to simultaneously manage the conductivity and reactivity of this material. This work discusses the use of electron-beam generated plasmas to controllably functionalize graphene synthesized from different methods. Electron-beam generated plasmas, produced in a variety of background gases (e.g. N2, O2, SF6, NH3) were used to introduce functional groups in a range of atomic densities at the graphene surface, without damage to the underlying graphene structure. Plasma processing conditions and characteristics, as well as the resulting chemical, structural, and electrical properties of the functionalized graphene were examined. This work is supported by the Office of Naval Research.