Local electrocatalytic activity of PtRu supported on nitrogen-doped carbon nanotubes towards methanol oxidation by scanning electrochemical microscopy
Divyani Gupta, Sudip Chakraborty, Rodrigo G. Amorim, Rajeev Ahuja, Tharamani C. Nagaiah
Abstract
Bimetallic PtRu decorated over nitrogen-containing CNTs was synthesised by an impregnation–reduction method to achieve a remarkable activity towards methanol oxidation, which is supported by DFT studies. The local electrocatalytic activity during methanol oxidation was determined by means of scanning electrochemical microscopy (SECM) measurements.
Topics & Concepts
Scanning electrochemical microscopyBimetallic stripMethanolElectrochemistryCarbon nanotubeMaterials scienceNitrogenRedoxScanning electron microscopeInorganic chemistryChemical engineeringCatalysisChemistryElectrodeNanotechnologyOrganic chemistryPhysical chemistryComposite materialEngineeringElectrochemical Analysis and ApplicationsElectrocatalysts for Energy ConversionConducting polymers and applications