The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Efficient Removal of Formaldehyde by Nanosized Gold on Well-Defined CeO2 Nanorods at Room Temperature
Abstract
Gold (Au) nanoparticles (NPs) supported on well-defined ceria (CeO2) nanorods with exposed {110} and {100} facets were prepared by a deposition-precipitation method and characterized by powder X-ray diffraction, micro-Raman spectroscopy, X-ray photoelectron spectroscopy, nitrogen adsorption-desorption, transmission electron microscopy, high-resolution transmission electron microscopy, and high-angle annular dark-field scanning transmission electron microscopy. Both nanometer and subnanometer gold particles were found to coexist on ceria supports with various Au contents (0.01-5.4 wt %). The catalytic performance of Au/CeO2 catalysts was examined for formaldehyde (HCHO) oxidation into CO2 and H2O at room temperature and shown to be Au content dependent, with 1.8 wt % Au/CeO2 displaying the best performance. On the basis of the results from hydrogen temperature-programmed reduction and in situ Fourier transform infrared spectroscopy observations, the high reactivity and stability of Au/CeO2 catalysts is mainly attributed to the well-defined ceria nanorods with {110} and {100} facets which present a relatively low energy for oxygen vacancy formation. Furthermore, gold NPs could induce the weakened Ce-O bond which in turn promotes HCHO oxidation.
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Citations
Cites
Formaldehyde in the Indoor Environment
Salthammer, T., Mentese, S., & Marutzky, R. (2010) · Chemical Reviews · doi:10.1021/cr800399g · Cited by 1,808
Cited by
Abatement of various types of VOCs by adsorption/catalytic oxidation: A review
Yang, C., Miao, G., Pi, Y., Xia, Q., Wu, J., Li, Z., & Xiao, J. (2019) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.03.232 · Cited by 1,117
Wang, J., Li, J., Jiang, C., Zhou, P., Zhang, P., & Yu, J. (2017) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2016.11.036 · Cited by 485
Self-citationZaera, F. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00905 · Cited by 425
Surface oxygen vacancies on Co3O4 mediated catalytic formaldehyde oxidation at room temperature
Wang, Z., Wang, W., Zhang, L., & Jiang, D. (2016) · Catalysis Science & Technology · doi:10.1039/c5cy01709b · Cited by 386
Support Morphology-Dependent Catalytic Activity of Pd/CeO2for Formaldehyde Oxidation
Tan, H., Wang, J., Yu, S., & Zhou, K. (2015) · Environmental Science & Technology · doi:10.1021/acs.est.5b01264 · Cited by 371
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Metadata
- Authors
- Xu, Q., Lei, W., Li, X., Qi, X., Yu, J., Liu, G., Wang, J., & Zhang, P.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-07-24
- Volume
- 48
- Issue
- 16
- Pages
- 9702-9708
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2051923398
- Cited by
- 221
- References
- 1
- FWCI
- 9.53
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xu, Q., Lei, W., Li, X., Qi, X., Yu, J., Liu, G., Wang, J., & Zhang, P. (2014). Efficient Removal of Formaldehyde by Nanosized Gold on Well-Defined CeO2 Nanorods at Room Temperature. Environmental Science & Technology. https://doi.org/10.1021/es5019477
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