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Title: Catalysts synthesized by selective deposition of Fe onto Pt for the water-gas shift reaction

Journal Article · · Applied Catalysis B: Environmental
 [1];  [2];  [2];  [2];  [2];  [3];  [2]
  1. Univ. of Campinas (UNICAMP), Sao Paulo (Brazil); Univ. of Wisconsin-Madison, Madison, WI (United States)
  2. Univ. of Wisconsin-Madison, Madison, WI (United States)
  3. Univ. of Campinas (UNICAMP), Sao Paulo (Brazil)

FePt bimetallic catalysts with intimate contact between the two metals were synthesized by controlled surface reactions (CSR) of (cyclohexadiene)iron tricarbonyl with hydrogen-treated supported Pt nanoparticles. Adsorption of the iron precursor on a Pt/SiO2 catalyst was studied, showing that the Fe loading could be increased by performing multiple CSR cycles, and the efficiency of this process was linked to the renewal of adsorption sites by a reducing pretreatment. Here, the catalytic activity of these bimetallic catalysts for the water gas shift reaction was improved due to promotion by iron, likely linked to H2O activation on FeOx species at or near the Pt surface, mostly in the (II) oxidation state.

Research Organization:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Contributing Organization:
Brazilian Synchrotron Light Laboratory (LNLS) and Advanced Photon Source at Argonne National Laboratory.
Grant/Contract Number:
SC0014058; AC02-06CH11357
OSTI ID:
1434303
Alternate ID(s):
OSTI ID: 1549371
Journal Information:
Applied Catalysis B: Environmental, Vol. 222, Issue C; ISSN 0926-3373
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 29 works
Citation information provided by
Web of Science

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