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Enhanced Performance of NaOH-Modified Pt/TiO2 toward Room Temperature Selective Oxidation of Formaldehyde
Abstract
Pt/TiO(2) catalysts with various Pt loadings (0.05-2 wt %) were prepared by a combined NaOH-assisted impregnation of titania with Pt precursor and NaBH(4)-reduction. The thermal catalytic activity was evaluated toward catalytic decomposition of formaldehyde (HCHO) vapor in the presence of toluene under ambient conditions. HCHO could be selectively oxidized into CO(2) and H(2)O over Pt/TiO(2) catalysts and toluene had no change. Pt/TiO(2) catalysts prepared with the assistance of NaOH showed higher HCHO oxidation activity than those without NaOH due to the introduction of additional surface hydroxyl groups, the enhanced adsorption capacity toward HCHO, and larger mesopores and macropores facilitating diffusion and transport of reactants and products. The as-prepared Pt/TiO(2) catalysts with an optimal Pt loading of 1 wt % exhibited high catalytic stability. Considering the versatile combination of noble-metal nanoparticles and supports, this work will provide new insights to the design of high-performance catalysts for indoor air purification.
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Sing, K. S. W. (1985) · Pure and Applied Chemistry · doi:10.1351/pac198557040603 · Cited by 24,485
Cited by
Low temperature catalytic oxidation of volatile organic compounds: a review
Huang, H., Xu, Y., Feng, Q., & Leung, D. Y. C. (2015) · Catalysis Science & Technology · doi:10.1039/c4cy01733a · Cited by 770
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-citationMeng, A., Zhang, J., Xu, D., Cheng, B., & Yu, J. (2016) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2016.05.074 · Cited by 426
Self-citationShen, L., Liang, R., Luo, M., Jing, F., & Wu, L. (2015) · Physical Chemistry Chemical Physics · doi:10.1039/c4cp04162c · Cited by 300
Zhang, R., Wang, H., Tang, S., Liu, C., Dong, F., Yue, H., & Liang, B. (2018) · ACS Catalysis · doi:10.1021/acscatal.8b02441 · Cited by 299
Metadata
- Authors
- Nie, L., Yu, J., Li, X., Cheng, B., Liu, G., & Jaroniec, M.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-03-05
- Volume
- 47
- Issue
- 6
- Pages
- 2777-2783
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2048823205
- Cited by
- 401
- References
- 1
- FWCI
- 14.65
- Type
- journal article
- Language
- en
- Open access
- closed
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- Nie, L., Yu, J., Li, X., Cheng, B., Liu, G., & Jaroniec, M. (2013). Enhanced Performance of NaOH-Modified Pt/TiO2 toward Room Temperature Selective Oxidation of Formaldehyde. Environmental Science & Technology. https://doi.org/10.1021/es3045949
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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