Controlled synthesis and properties of porous Cu/CeO2 microspheres
Article
Article Title | Controlled synthesis and properties of porous Cu/CeO2 microspheres |
---|---|
ERA Journal ID | 4969 |
Article Category | Article |
Authors | Yao, Xiang (Author), Yang, Xiaodan (Author), Yu, Ranbo (Author), Xu, Pengfei (Author), Chen, Jun (Author) and Xing, Xianran (Author) |
Journal Title | Materials Research Bulletin |
Journal Citation | 61, pp. 22-25 |
Number of Pages | 4 |
Year | 2015 |
Publisher | Elsevier |
Place of Publication | United Kingdom |
ISSN | 0025-5408 |
1873-4227 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.materresbull.2014.09.083 |
Web Address (URL) | http://www.sciencedirect.com/science/article/pii/S0025540814005856?via%3Dihub |
Abstract | Porous Cu/CeO2 microspheres were synthesized in a system of (NH4)2 Ce(NO3)6/CuSO4ethanol (EtOH)/ H2ON,N-dimethylformanide (DMF) via a low-temperature hydrothermal route as well as a subsequent calcination. DMF played an important role in both the crystallization of Cu-doped Ce(COOH)3 precursor and the formation of the precursor microspheres. The size and morphology control of the precursor could be achieved by adjusting the synthesis factors including acidity and temperature. BET measurement indicated that the Cu/CeO2 microspheres possessed pretty high specific surface areas up to 169 m2 g-1 and multiple pore systems with the pore diameter of about 1.0 nm, 4.9 nm, and 5.9 nm, respectively. Although the doping content of Cu was pretty low, the copper ions were successfully incorporated into the fluorite structure of CeO2, which made these porous Cu/CeO2 microspheres showing much improved oxygen storage capacity (OSC). The novel porous Cu/CeO2 microspheres might be a promising catalyst for selective CO oxidation. |
Keywords | A.Composites; B. SolvothermalC; C. Raman spectroscopy; X-ray diffraction; A.Composites; B. SolvothermalC; Controlled synthesis; High specific surface area; Low temperature hydrothermal routes; Morphology control; Oxygen storage capacity; Selective CO oxidation; Hydrothermal routes; Ore Treatment and Metal Refining; Copper; Thermodynamics; Rubber and Elastomers; Atomic and Molecular Physics; |
ANZSRC Field of Research 2020 | 401699. Materials engineering not elsewhere classified |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | University of Science and Technology Beijing, China |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q425z/controlled-synthesis-and-properties-of-porous-cu-ceo2-microspheres
1250
total views8
total downloads4
views this month0
downloads this month