Journal
SCIENCE
Volume 352, Issue 6288, Pages 974-978Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aad8471
Keywords
-
Categories
Funding
- U.S. Department of Energy, Office of Basic Energy Sciences [DE-FG02-12ER16352, DE-SC0014058]
- National Science Foundation (NSF) [ACI-1053575]
- University of Wisconsin Materials Research Science and Engineering Center [DMR-1121288]
- NSF [1122374]
- Swiss National Science Foundation [P2EZP2_159124]
- U.S. Department of Energy (DOE) [DE-SC0014058] Funding Source: U.S. Department of Energy (DOE)
- Swiss National Science Foundation (SNF) [P2EZP2_159124] Funding Source: Swiss National Science Foundation (SNF)
Ask authors/readers for more resources
We demonstrated the self-assembly of transition metal carbide nanoparticles coated with atomically thin noble metal monolayers by carburizing mixtures of noble metal salts and transition metal oxides encapsulated in removable silica templates. This approach allows for control of the final core-shell architecture, including particle size, monolayer coverage, and heterometallic composition. Carbon-supported Ti0.1W0.9C nanoparticles coated with Pt or bimetallic PtRu monolayers exhibited enhanced resistance to sintering and CO poisoning, achieving an order of magnitude increase in specific activity over commercial catalysts for methanol electrooxidation after 10,000 cycles. These core-shell materials provide a new direction to reduce the loading, enhance the activity, and increase the stability of noble metal catalysts.
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