Application of CuxO-FeyOz Nanocatalysts in Ethynylation of Formaldehyde
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preperation of Catalysts
2.2. Characterization of Catalysts
2.3. Catalyst Test of Catalysts
3. Results
3.1. Structure Analysis of Catalysts
3.2. FT-IR Analysis and Raman Analysis
3.3. Morphological Analysis
3.4. Surface Composition and Valence Analysis of the Catalyst
3.5. Discussion on the Formation Mechanism of CuxO-FeyOz Structure
3.6. Analysis of Reduction Behavior of the Catalyst
3.7. Evaluation Results of Catalyst Activity
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Catalysts | Region | AT% | ||
---|---|---|---|---|
OK | FeK | CuK | ||
Cu2O | a1 | 7.67 | 0 | 92.33 |
a2 | 8.97 | 0 | 91.03 | |
CF-0.05 | b1 | 7.85 | 0 | 92.15 |
b2 | 13.91 | 10.46 | 75.63 | |
CF-0.1 | c1 | 8.67 | 0 | 91.33 |
c2 | 17.36 | 14.84 | 67.80 | |
CF-0.8 | d1 | 29.33 | 35.74 | 34.92 |
d2 | 29.12 | 35.97 | 34.91 | |
CF-2 | e1 | 33.23 | 41.96 | 24.81 |
e2 | 34.12 | 41.72 | 24.16 |
Catalysts | Fe(eV) | Fe2+/Fe3+ (Atomic) | Cu(eV) | Cu2+/Cu+ (Atomic) | Fe/Cu (Atomic) | ||
---|---|---|---|---|---|---|---|
Fe2+2p3/2 | Fe3+2p3/2 | Cu+2p3/2 | Cu2+2p3/2 | ||||
Cu2O | - | - | - | 932.4 | 934.7 | 0.31 | - |
CF-0.05 | 710.1 | 711.6 | 0.07 | - | - | - | 0.26 |
CF-0.8 | 710.1 | 711.6 | 0.26 | 932.8 | 934.7 | 0.83 | 0.79 |
CF-2 | 710.1 | 711.6 | 0.32 | 932.8 | 934.7 | 2.3 | 1.23 |
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Li, H.; Ban, L.; Niu, Z.; Huang, X.; Meng, P.; Han, X.; Zhang, Y.; Zhang, H.; Zhao, Y. Application of CuxO-FeyOz Nanocatalysts in Ethynylation of Formaldehyde. Nanomaterials 2019, 9, 1301. https://doi.org/10.3390/nano9091301
Li H, Ban L, Niu Z, Huang X, Meng P, Han X, Zhang Y, Zhang H, Zhao Y. Application of CuxO-FeyOz Nanocatalysts in Ethynylation of Formaldehyde. Nanomaterials. 2019; 9(9):1301. https://doi.org/10.3390/nano9091301
Chicago/Turabian StyleLi, Haitao, Lijun Ban, Zhuzhu Niu, Xin Huang, Pingfan Meng, Xudong Han, Yin Zhang, Hongxi Zhang, and Yongxiang Zhao. 2019. "Application of CuxO-FeyOz Nanocatalysts in Ethynylation of Formaldehyde" Nanomaterials 9, no. 9: 1301. https://doi.org/10.3390/nano9091301