Author/Authors :
Qi ، نويسنده , , Li and Yin، نويسنده , , Ying and Shi، نويسنده , , Weiyu and Liu، نويسنده , , Jianguo and Xing، نويسنده , , Danmin and Liu، نويسنده , , Fuqiang and Hou، نويسنده , , Zhongjun and Gu، نويسنده , , Jun and Ming، نويسنده , , Pingwen and Zou، نويسنده , , Zhigang، نويسنده ,
Abstract :
A one-step and fast microwave technique was developed to synthesize graphene-supported TiN nanoparticles (TiN–G) directly from graphene and dihydroxybis (ammonium lactato) titanium (IV). During the synthesis graphene served as a reductant and template to reduce the Ti-precursor into TiN and then uniformly disperse TiN nanoparticles on it. Pt/TiN–G catalyst was also successfully prepared with the portion of Pt nanoparticles was anchored at the interface of TiN and graphene. Electrochemical measurements showed that the Pt/TiN–G catalyst exhibited improved catalytic activity for methanol oxidation and enhanced CO tolerance than those of Pt/G catalyst, attributed to the formation of –OH groups on the surface of TiN. And the –OH attached TiN assisted the conversion of CO into CO2.
Keywords :
TIN , graphene , Methanol oxidation activity , microwave , CO tolerance
