Li, Xiaoliang, Feng, Jiangjiang, Perdjon, Michal  ORCID: https://orcid.org/0000-0002-0224-1647, Oh, Rena, Zhao, Wei, Huang, Xiaoyang and Liu, Shusen
2020.
Investigations of supported Au-Pd nanoparticles on synthesized CeO2 with different morphologies and application in solvent-free benzyl alcohol oxidation.
Applied Surface Science
505
, 144473.
10.1016/j.apsusc.2019.144473
|
Preview |
PDF
- Accepted Post-Print Version
Download (932kB) | Preview |
Abstract
Au-Pd bimetallic nanoparticles immobilized on series of CeO2 supports with different morphologies, e.g., rod, cube, and polyhedrons were prepared through the deposition-precipitation method with a consequent investigation on their catalytic performances for benzyl alcohol oxidation in the absence of solvent. The experimental results exhibited that the morphology of CeO2 has a markedly impact on the catalytic performance of Au-Pd/CeO2. In which Au-Pd supported on CeO2 rod could achieve higher benzyl alcohol conversion than that supported on CeO2 polyhedrons and CeO2 cube, however, CeO2 cube supported Au-Pd showed the highest selectivity towards the production of benzaldehyde. ICP-AES, XRD, Raman, N2-BET, TEM, HAADF-STEM, and XPS were conducted to characterize the catalysts. The results revealed that the excellent behavior of Au-Pd/CeO2-rod in benzyl alcohol oxidation was closely related with the smaller size of CeO2 particle, the higher concentration of oxygen defects in support and the higher number of Ce3+ and Pd2+ species on the catalyst surface. The present study on the morphologies of CeO2 support in solvent-free benzyl alcohol oxidation would offer a notable approach for the future catalyst design.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Chemistry Research Institutes & Centres > Cardiff Catalysis Institute (CCI) |
| Publisher: | Elsevier |
| ISSN: | 0169-4332 |
| Date of First Compliant Deposit: | 9 January 2020 |
| Date of Acceptance: | 21 October 2019 |
| Last Modified: | 01 Dec 2024 16:30 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/128391 |
Citation Data
Cited 24 times in Scopus. View in Scopus. Powered By Scopus® Data
Actions (repository staff only)
 |
Edit Item |
Dimensions
Dimensions