Polymeric ionic liquid-promoted high dispersion of Pt nanoparticles on graphene

• High dispersion of Pt nanoparticles was accomplished on functionalized graphene.
• TEM images show a uniform distribution of Pt nanoparticles.
• Nanohybrids show superior biocatalytic performance.

High dispersion of Pt nanoparticles on polymeric ionic liquid-functionalized graphene sheets is achieved through a sonochemical-assisted method. As-synthesized nanohybrids are characterized by X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), and X-ray diffraction (XRD) measurements. The employment of polymeric ionic liquids provides amount of specific binding sites to anchor and grow Pt nanoparticles with a uniform size and position on a graphene surface. The electrochemical performance of the resultant nanohybrid-based biosensor devices is tested for detection of glucose molecules, showing high sensitivity and low detection limit.

Direct syntheiss and high dispersion of discrete Pt nanoparticles were accomplished using polymeric ionic liquid-functionalized graphene through sonochemical-assisted method.Figure optionsDownload as PowerPoint slide