Journal
NANOSCALE
Volume 7, Issue 19, Pages 8739-8747Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr07481e
Keywords
-
Categories
Funding
- European Research Council under the Seventh Framework Program (FP7) (ERC grant) [N335078 - COLOURATOMS]
- European Union under the FP7 (Integrated Infrastructure Initiative European Soft Matter Infrastructure, ESMI) [262348]
- Spanish MINECO [MAT2013-45168-R, CTQ 2010-1639]
- European Social Fund (ESF)
- Greek State [PE4(1546)]
- General Secretariat for Research and Technology of Greece
Ask authors/readers for more resources
Platinum-gold heteronanostructures comprising either dimer (Pt-Au) or core-satellite (Pt@Au) configurations were synthesized by means of a seeded growth procedure using platinum nanodendrites as seeds. Careful control of the reduction kinetics of the gold precursor can be used to direct the nucleation and growth of gold nanoparticles on either one or multiple surface sites simultaneously, leading to the formation of either dimers or core-satellite nanoparticles, respectively, in high yields. Characterization by electron tomography and high resolution electron microscopy provided a better understanding of the actual three-dimensional particle morphology, as well as the Au-Pt interface, revealing quasi-epitaxial growth of Au on Pt. The prepared Pt-Au bimetallic nanostructures are highly efficient catalysts for ethanol oxidation in alkaline solution, showing accurate selectivity, high sensitivity, and improved efficiency by generating higher current densities than their monometallic counterparts.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available