The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Designing Pd-on-Au Bimetallic Nanoparticle Catalysts for Trichloroethene Hydrodechlorination
Abstract
Alumina-supported palladium (Pd) catalysts have previously been shown to hydrodechlorinate trichloroethene (TCE) and other chlorinated compounds in water, at room temperature, and in the presence of hydrogen. The feasibility of this catalytic technology to remediate groundwater of halogenated compounds can be improved by re-designing the Pd material in order to increase catalytic activity. We synthesized and characterized Pd supported on gold nanoparticles (Au NPs) of different Pd loadings. In all cases, we found that these catalysts were considerably more active than Pd NPs, alumina-supported Pd, ard Pd-black (62.0, 12.2, and 0.42 L x g(Pd)(-1) x min(-1), respectively). There is a synergistic effect of the Pd-on-Au bimetallic structure, with the material with the highest TCE hydrodechlorination activity (943 L x g(Pd)(-1) x min(-1)) comprised of Au NPs partially covered by Pd metal. The Pd-on-Au bimetallic catalyst structure provides a new synthesis approach in improving the catalytic properties of monometallic Pd materials. The resulting nanoparticle-based materials should be highly suitable as hydrodehalogenation and reduction catalysts for the remediation of various organic and inorganic groundwater contaminants.
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Cites
Nanoscale iron particles for environmental remediation: An overview
Zhang, W.-X. (2003) · Journal of Nanoparticle Research · doi:10.1023/a:1025520116015 · Cited by 2,003
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A Review of Removal of Pollutants from Water/Wastewater Using Different Types of Nanomaterials
Amin, M. T., Alazba, A. A., & Manzoor, U. (2014) · Advances in Materials Science and Engineering · doi:10.1155/2014/825910 · Cited by 645
Three-Layer Core/Shell Structure in Au−Pd Bimetallic Nanoparticles
Ferrer, D., Torres-Castro, A., Gao, X., Sepúlveda-Guzmán, S., Ortiz-Méndez, U., & José-Yacamán, M. (2007) · Nano Letters · doi:10.1021/nl070694a · Cited by 304
Ouyang, M., Papanikolaou, K. G., Boubnov, A., Hoffman, A. S., Giannakakis, G., Bare, S. R., Stamatakis, M., Flytzani-Stephanopoulos, M., & Sykes, E. C. H. (2021) · Nature Communications · doi:10.1038/s41467-021-21555-z · Cited by 187
“(5), negative values of ΔEagg suggest that the formation of aggregates of Pd atoms is thermodynamically favored over the formation of isolated Pd atoms, while the opposite is true for ΔEagg > 0.”
BackgroundNanotechnology-based water quality management for wastewater treatment
Madhura, L., Singh, S., Kanchi, S., Sabela, M., Bisetty, K., & Inamuddin (2019) · Environmental Chemistry Letters · doi:10.1007/s10311-018-0778-8 · Cited by 167
Metadata
- Authors
- Nutt, M. O., Hughes, J. B., & Wong, M. S.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-01-15
- Volume
- 39
- Issue
- 5
- Pages
- 1346-1353
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2071926750
- Cited by
- 390
- References
- 1
- FWCI
- 15.42
- Type
- journal article
- Language
- en
- Open access
- closed
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- Nutt, M. O., Hughes, J. B., & Wong, M. S. (2005). Designing Pd-on-Au Bimetallic Nanoparticle Catalysts for Trichloroethene Hydrodechlorination. Environmental Science & Technology. https://doi.org/10.1021/es048560b
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