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

Abstract

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/SiO 2 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 H 2O activation on FeO x species at or near the Pt surface, mostly in the (II) oxidation state.

Authors:
 [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)
Publication Date:
Research Org.:
Univ. of Wisconsin-Madison, Madison, WI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Contributing Org.:
Brazilian Synchrotron Light Laboratory (LNLS) and Advanced Photon Source at Argonne National Laboratory.
OSTI Identifier:
1434303
Alternate Identifier(s):
OSTI ID: 1549371
Grant/Contract Number:  
SC0014058; AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Applied Catalysis. B, Environmental
Additional Journal Information:
Journal Volume: 222; Journal Issue: C; Journal ID: ISSN 0926-3373
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Bimetallic catalyst; FePt; Controlled surface reactions (CSR); Water-gas shift reaction (WGSR)

Citation Formats

Aragao, Isaias Barbosa, Ro, Insoo, Liu, Yifei, Ball, Madelyn, Huber, George W., Zanchet, Daniela, and Dumesic, James A. Catalysts synthesized by selective deposition of Fe onto Pt for the water-gas shift reaction. United States: N. p., 2017. Web. doi:10.1016/j.apcatb.2017.10.004.
Aragao, Isaias Barbosa, Ro, Insoo, Liu, Yifei, Ball, Madelyn, Huber, George W., Zanchet, Daniela, & Dumesic, James A. Catalysts synthesized by selective deposition of Fe onto Pt for the water-gas shift reaction. United States. doi:10.1016/j.apcatb.2017.10.004.
Aragao, Isaias Barbosa, Ro, Insoo, Liu, Yifei, Ball, Madelyn, Huber, George W., Zanchet, Daniela, and Dumesic, James A. Wed . "Catalysts synthesized by selective deposition of Fe onto Pt for the water-gas shift reaction". United States. doi:10.1016/j.apcatb.2017.10.004. https://www.osti.gov/servlets/purl/1434303.
@article{osti_1434303,
title = {Catalysts synthesized by selective deposition of Fe onto Pt for the water-gas shift reaction},
author = {Aragao, Isaias Barbosa and Ro, Insoo and Liu, Yifei and Ball, Madelyn and Huber, George W. and Zanchet, Daniela and Dumesic, James A.},
abstractNote = {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.},
doi = {10.1016/j.apcatb.2017.10.004},
journal = {Applied Catalysis. B, Environmental},
number = C,
volume = 222,
place = {United States},
year = {2017},
month = {10}
}

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