Preparation of low-dimensional carbon material-based metal nanocomposites using a polarizable organic/water interface

Peter S. Toth, Sarah J. Haigh, Aminu K. Rabiu, Andrew N.J. Rodgers, Alexander M. Rakowski, Robert A.W. Dryfe
2015 Journal of Materials Research  
Single wall carbon nanotubes (SWCNTs) and liquid-phase exfoliated multilayer graphene (MLG) material thin films were assembled at a polarizable organic/water interface. A simple, spontaneous route to functionalize/decorate the interfacial assembly of MLG and SWCNTs with noble metal nanoparticles, at the interface between two immiscible electrolyte solutions (ITIES), is reported. The formation of MLG-or SWCNT-based metal nanocomposites was confirmed using various microscopic (scanning electron,
more » ... scanning electron, transmission electron, and atomic force microscopy) and several spectroscopic (energy dispersive x-ray and Raman spectroscopy) techniques. Increasing the interfacial deposition time of the metal nanoparticles on the assembled low-dimensional carbon material increased the amount of the metal particles/structures, resulting in greater coverage of the MLG or SWCNTs with metal nanoparticles. This low-cost and convenient solution chemistry based impregnation method can serve as a means to prepare nanoscale carbonaceous material-based metal nanocomposites for their potential exploitation as electro-active materials, e.g., new generation catalysts or electrode materials.
doi:10.1557/jmr.2015.250 fatcat:xo7jmwwhnrhgzcbxdqh7lu4fze