Graphene decorated with Pd nanoparticles via electrostatic self-assembly A highly active alcohol oxidation electrocatalyst》.pdfVIP

Electrochimica Acta 109 (2013) 276–282 Contents lists available at ScienceDirect Electrochimica Acta j o u r n a l h o m e p a g e: w w w. elsev /locate/elec t a c ta Graphene decorated with Pd nanoparticles via electrostatic self-assembly: A highly active alcohol oxidation electrocatalyst Shujing Guo, Shuwen Li, Tengyue Hu, Galian Gou, Ren Ren, Jingwei Huang, Miao Xie, Jun Jin ∗ , Jiantai Ma ∗ College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China a r t i c l e i n f o a b s t r a c t Article history: Graphene nanosheets (GS) are non-covalently functionalized with novel N,N-bis-(n-butylimidazolium Received 29 May 2013 bromide salt)-3,4,9,10-perylene tetracarboxylic acid diimide (PTCDI-ILs) via the – stacking, and then Received in revised form 18 July 2013 employed as the support of Pd nanoparticles. The negatively charged Pd precursors are adsorbed on pos- Accepted 20 July 2013 itively charged imidazolium ring moiety of PTCDI-ILs wrapping GS surface via electrostatic self-assembly Available online 1 August 2013 and then in situ reduced by NaBH . X-ray diffraction and transmission electron microscope images reveal 4 that Pd nanoparticles with an average size of 2.7 nm are uniformly dispersed on GS surface. The Pd/PTCDI- Keywords: ILs/GS exh