One-pot synthesis of PtAu nanoparticles and their catalytic activities

Zhichuan Xu, Bridgid N. Wanjala, Derrick Mott, Peter N. Njoki, Jin Luo, Chuan Jian Zhong

Research output: Chapter in Book/Report/Conference proceedingConference contribution


While bimetallic AuPt nanoparticles have been shown to exhibit synergistic catalytic activities in fuel cell reactions, the precise control of the bimetallic composition presents an important challenge. This presentation describes the findings of a new approach to the synthesis of monodispersed PtAu nanoparticles, which involved thermal control and chemical reduction of HAuCl4 and H2PtCl6 in organic solvents. The composition of PtAu nanoparticles can be controlled by varying feeding ratio of Pt and Au precursors and manipulating reaction time and reaction temperature. The as-synthesized AuPt nanoparticles were characterized by TEM, DCP, XRD and UV-Vis techniques, which allowed us to develop some insights into the mechanistic aspects for the size and composition control. The results from the study of the electrocatalytic activities of the PtAu nanoparticles supported on carbon materials are also discussed.

Original languageEnglish
Title of host publicationAmerican Chemical Society - 236th National Meeting and Exposition, Abstracts of Scientific Papers
Publication statusPublished - 2008 Dec 1
Externally publishedYes
Event236th National Meeting and Exposition of the American Chemical Society, ACS 2008 - Philadelpia, PA, United States
Duration: 2008 Aug 172008 Aug 21

Publication series

NameACS National Meeting Book of Abstracts
ISSN (Print)0065-7727


Other236th National Meeting and Exposition of the American Chemical Society, ACS 2008
Country/TerritoryUnited States
CityPhiladelpia, PA

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)


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