Metal organic framework Cu/MIL-53(Ce)-mediated synthesis of highly active and stable CO oxidation catalysts |
| |
| Affiliation: | 1. School of Chemistry and Environmental Engineering, Hubei University for Nationalities, Enshi 445000, China;2. Sustainable Energy Laboratory, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan 430074, China;1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry (Ministry of Education), Shaanxi Key Laboratory of Physico-Inorganic Chemistry, College of Chemistry and Material Sciences, Northwest University, Xi''an 710069, China;2. College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Opto-Electronic Functional Materials, Anyang Normal University, Anyang, Henan 455000, China |
| |
| Abstract: | The highly dispersed CuO@CeO2 catalysts were produced from Cu/MIL-53(Ce) through encapsulated copper in a matrix of metal organic framework MIL-53(Ce), serving as a catalyst for CO oxidation. Comparison on the catalytic performance between the CuO@CeO2 and the (CuO or MIL-53(Ce)) catalytic material has been conducted to understand the catalytic behavior of the catalysts. The CuO@CeO2 catalysts were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), N2 adsorption-desorption, and the hydrogen temperature-programmed reduction (H2-TPR). The analyses indicated that the unique CuO@CeO2 spatial confinement in the obtained solids minimize catalyst deactivation, resulting in high active and stable operation. Indeed, the heterogeneous catalytic composite materials CuO@CeO2 catalyst exhibited excellent activity in CO oxidation test, with 100% conversion at 79–95 °C and the catalytic activity were stable after reaction 300 h. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
