Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 15, Issue 32, Pages 13570-13577Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cp00153a
Keywords
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Funding
- GRF Awards [700208, 700209P]
- University of Hong Kong SRT
- UDF on Initiative for Clean Energy and Environment Research
- Croucher Foundation
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PtRu nanoparticles dispersed in CMK3 mesoporous carbons have been prepared via a CPDM (carbonization over poly-furfuryl alcohol-protected dispersed mixed metals) method. The as-synthesized CMK3 supported PtRu nanoparticles are characterized using tomography and cross-sectional TEM analysis and are compared against those synthesized by the conventional ethylene glycol (EG) method. The atomic ratio of Pt : Ru, which has an essential role on methanol oxidation, is found to be consistent at the nanometer scale. The good dispersion and uniform composition of PtRu nanoparticles result in improved methanol oxidation performance including higher methanol oxidation current and long-term stability.
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