▎ 摘　　要

Graphene oxide reduced by n-butylmagnesium chloride ( n-BuMgCl) has been characterized systematically by elemental analysis, Fourier transform infrared spectroscopy( FTIR), X-ray photoelectron spectroscopy( XPS), Raman spectroscopy, X-ray diffraction( XRD), solid-state C-13 nuclear magnetic resonance (C-13 NMR), thermal gravimetric analysis(TGA), electrical conductivity measurement and atomic force microscopy(AFM). The results indicate that n-BuMgCl has a good efficiency in the reduction of graphene oxide. With the increase of n-BuMgCl concentration, the C/O molar ratio of the reduced graphene oxide(rGO) increased, and the interlayer distance of the rGO sheets decreased. The thermal stability of rGO has been improved significantly and the electrical conductivity of rGO increased to 3. 6x10(2) S/m. AFM images show that the thickness of rGO sheets is larger than that of GO due to aggregation.