Exploring the ternary interactions in Cu–ZnO–ZrO2 catalysts for efficient CO2 hydrogenation to methanol
Journal Article
·
· Nature Communications
- Kunming Univ. of Science and Technology (China). State Key Lab. of Complex Nonferrous Metal Resources Clean Utilization Engineering. Faculty of Metallurgical and Energy Engineering
- Brookhaven National Lab. (BNL), Upton, NY (United States). Chemistry Division
- Kunming Univ. of Science and Technology (China). State Key Lab. of Complex Nonferrous Metal Resources Clean Utilization Engineering; Columbia Univ., New York, NY (United States). Dept. of Earth and Environmental Engineering
- Brookhaven National Lab. (BNL), Upton, NY (United States). Chemistry Division; Columbia Univ., New York, NY (United States). Dept. of Chemical Engineering
- Kunming Univ. of Science and Technology (China). State Key Lab. of Complex Nonferrous Metal Resources Clean Utilization Engineering; Dali Univ. (China). School of Pharmacy and Chemistry
The synergistic interaction among different components in complex catalysts is one of the crucial factors in determining catalytic performance. Here we report the interactions among the three components in controlling the catalytic performance of Cu–ZnO–ZrO2 (CZZ) catalyst for CO2 hydrogenation to methanol. The in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) measurements under the activity test pressure (3 MPa) reveal that the CO2 hydrogenation to methanol on the CZZ catalysts follows the formate pathway. Density functional theory (DFT) calculations agree with the in situ DRIFTS measurements, showing that the ZnO–ZrO2 interfaces are the active sites for CO2 adsorption and conversion, while the presence of metallic Cu is also necessary to facilitate H2 dissociation and to provide hydrogen resource. The combined experiment and DFT results reveal that tuning the interaction between ZnO and ZrO2 can be considered as another important factor for designing high performance catalysts for methanol generation from CO2.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States); Kunming Univ. of Science and Technology (China)
- Sponsoring Organization:
- Candidate Talents Training Fund of Yunnan Province (China); National Key Technologies R & D Program of China; National Natural Science Foundation of China (NSFC); USDOE Office of Science (SC)
- Grant/Contract Number:
- AC02-05CH11231; SC0012704
- OSTI ID:
- 1504379
- Report Number(s):
- BNL--211494-2019-JAAM
- Journal Information:
- Nature Communications, Journal Name: Nature Communications Vol. 10; ISSN 2041-1723
- Publisher:
- Nature Publishing GroupCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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