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A Surface Defect-Promoted Ni Nanocatalyst with Simultaneously Enhanced Activity and Stability
Abstract
How to achieve supported metal nanocatalysts with simultaneously enhanced activity and stability is of vital importance in heterogeneous catalysis and remains a challenging goal. In this work, a surface defect-promoted Ni nanocatalyst with a high dispersion and high particle density embedded on a hierarchical Al 2 O 3 matrix was fabricated via a facile method involving an in situ reduction process, which exhibits excellent activity and stability simultaneously for the reaction of CO 2 methanation. HRTEM, HAADF-STEM, EXAFS, and positron annihilation spectroscopy demonstrate the existence of abundant surface vacancy clusters that serve as active sites, accounting for the significantly enhanced low-temperature activity of the supported Ni nanoparticles. In addition, the anchoring effect from the support gives rise to a high reaction stability, without sintering and/or aggregation of active species during long-term use.
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Cites
Recent advances in catalytic hydrogenation of carbon dioxide
Wang, W., Wang, S., Ma, X., & Gong, J. (2011) · Chemical Society Reviews · doi:10.1039/c1cs15008a · Cited by 3,316
Catalytic nanoarchitectures—The importance of nothing and the unimportance of periodicity
Rolison, D. R. (2003) · Science · doi:10.1126/science.1082332 · Cited by 1,037
Cited by
Zhao, Y., Waterhouse, G. I. N., Chen, G., Xiong, X., Wu, L.-Z., Tung, C.-H., & Zhang, T. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00607e · Cited by 435
Significant Advances in C1 Catalysis: Highly Efficient Catalysts and Catalytic Reactions
Bao, J., Yang, G., Yoneyama, Y., & Tsubaki, N. (2019) · ACS Catalysis · doi:10.1021/acscatal.8b03924 · Cited by 367
High-Performance and Long-Lived Cu/SiO2 Nanocatalyst for CO2 Hydrogenation
Wang, Z.-Q., Xu, Z.-N., Peng, S.-Y., Zhang, M.-J., Lu, G., Chen, Q.-S., Chen, Y., & Guo, G.-C. (2015) · ACS Catalysis · doi:10.1021/acscatal.5b00682 · Cited by 283
Narwal, N., Katyal, D., Kataria, N., Rose, P. K., Warkar, S. G., Pugazhendhi, A., Ghotekar, S., & Khoo, K. S. (2023) · Chemosphere · doi:10.1016/j.chemosphere.2023.139945 · Cited by 105
Metadata
- Authors
- He, S., Li, C., Chen, H., Su, D., Zhang, B., Cao, X., Wang, B., Wei, M., Evans, D. G., & Duan, X.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-03-22
- Volume
- 25
- Issue
- 7
- Pages
- 1040-1046
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2327572846
- Cited by
- 223
- References
- 2
- FWCI
- 6.46
- Type
- journal article
- Language
- en
- Open access
- closed
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- He, S., Li, C., Chen, H., Su, D., Zhang, B., Cao, X., Wang, B., Wei, M., Evans, D. G., & Duan, X. (2013). A Surface Defect-Promoted Ni Nanocatalyst with Simultaneously Enhanced Activity and Stability. Chemistry of Materials. https://doi.org/10.1021/cm303517z
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