Volume 102, Number 2, April 2013
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||26 April 2013|
Metallic-nanowire–induced spontaneous scrolling of graphene nanostructures
College of Mechanical Engineering, Linyi University - Linyi, Shandong 276005, PRC
Received: 22 January 2013
Accepted: 27 March 2013
Molecular-dynamics simulations have been performed to investigate metallic-nanowire (NW) induced spontaneous scrolling of single-layered graphene (SLG) nanostructures. This unique behavior is attributed to the van der Waals attraction between the SLG and NW and the π-π stacking effect between SLG layers. The scrolling velocity shows a nonlinear dependence on time. Such self-scrolling of SLG is hindered by the surface roughness and especially the oxygen concentration of NW. SLGs with arbitrary sizes and shapes can wrap onto NW to form various configurations. The proposed discoveries eventually provide a powerful way to fabricate nanoscale composite materials and devices and tune their properties.
PACS: 61.48.Gh – Structure of graphene / 64.70.Nd – Structural transitions in nanoscale materials
© EPLA, 2013
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