▎ 摘　　要

We demonstrate that Silicon (Si) nanowires (NWs) can activate the self-scrolling of planar graphene (GN) nanoribbons by molecular dynamics (MD) simulations. Once the NWs' radius reach a threshold, they can act as an external force that initiate the conformational changes of the GN nanoribbons, and then activate self-scrolling GN onto them. It is found that the van der Waals (vdW) force plays an important role in the formation of the core/shell composite NWs. And this core/shell structures can be used in nanoelectronics, spintronics, hydrogen storage, energy storage in supercapacitors or batteries, and even introduce new functionalities to composite materials. (C) 2010 Elsevier B.V. All rights reserved.