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Title: Preparation of PdCu Alloy Nanocatalysts for Nitrate Hydrogenation and Carbon Monoxide Oxidation

Journal Article · · Catalysts
DOI:https://doi.org/10.3390/catal6070096· OSTI ID:1326685
 [1];  [1];  [2];  [3];  [1];  [2];  [2]
  1. Xiamen Univ., Xiamen(China). College of Chemistry and Chemical Engineering
  2. State Univ. of New York at Binghamton, Binghamton, NY (United States). Dept. of Chemistry
  3. Japan Advanced Inst. of Science and Technology, Ishikawa (Japan)
+ Show Author Affiliations

Alloying Pd with Cu is important for catalytic reactions such as denitrification reaction and CO oxidation reaction, but understanding of the catalyst preparation and its correlation with the catalyst’s activity and selectivity remains elusive. Herein, we report the results of investigations of the preparation of PdCu alloy nanocatalysts using different methods and the catalytic properties of the catalysts in catalytic denitrification reaction and CO oxidation reaction. PdCu alloy nanocatalysts were prepared by conventional dry impregnation method and ligand-capping based wet chemical synthesis method, and subsequent thermochemical activation as well. The alloying characteristics depend on the bimetallic composition. PdCu/Al2O3 with a Pd/Cu ratio of 50:50 was shown to exhibit an optimized hydrogenation activity for the catalytic denitrification reaction. The catalytic activity of the PdCu catalysts was shown to be highly dependent on the support, as evidenced by the observation of an enhanced catalytic activity for CO oxidation reaction using TiO2 and CeO2 supports with high oxygen storage capacity. Lastly, we discussed the implications of the results to the refinement of the preparation of the alloy nanocatalysts.

Research Organization:
Central Michigan Univ.
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0006877; 21373171
OSTI ID:
1326685
Journal Information:
Catalysts, Vol. 6, Issue 7; ISSN 2073-4344
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 26 works
Citation information provided by
Web of Science

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Cited By (3)

Prospect of Using Nanoalloys of Partly Miscible Rhodium and Palladium in Three-Way Catalysis journal November 2018
Synthesis and Study of Bimetallic Pd-Rh System Supported on Zirconia-Doped Alumina as a Component of Three-way Catalysts journal August 2019
Effect of Chemical Composition on the Nanoscale Ordering Transformations of Physical Mixtures of Pd and Cu Nanoparticles journal September 2018

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36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
palladium-copper alloy
nanocatalyst
nitrate hydrogenation
CO oxidation
bimetallic composition
support effect