Decoration of electro-reduced graphene oxide with uniform gold nanoparticles based on in situ diazonium chemistry and their application in methanol oxidation

► Gold nanoparticles/graphene hybrid materials were design based on in situ diazonium chemistry. ► The hybrid materials possessed high surface area and excellent transport properties were a promising electrocatalyst. ► The hybrid materials have high stability and anti-poisonous in catalyzing methanol oxidation.