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Self-Reduction Synthesis of New MXene/Ag Composites with Unexpected Electrocatalytic Activity
Abstract
Differing from graphene, the activated groups on the surface of layered two-dimensional titanium carbide (MXene) materials bestow superiority to self-assemble some novel MXene derivatives with intriguing chemical/physical properties. Here we first report a series of new MXene-Ag composites by directly mixing AgNO 3 and alkalization-intercalated MXene (alk-MXene, Ti 3 C 2 (OH/ONa) 2 ) solution containing polyvinylpyrrolidone (PVP) at room temperature, in which an analogous urchin-shaped MXene-Ag 0.9 Ti 0.1 bimetallic nanowire composite exhibits unexpected electrocatalytic activity for the oxygen reduction reaction. The addition of PVP solution induces the formation of 5-fold nanotwin Ag seeds, which then grow into Ag/Ti (Ag 0.9 Ti 0.1 ) bimetallic nanowires. The unique bimetallic nanowires favor a four-electron transfer process, and exhibit high current density and good stability by offering numerous oxygen adsorption sites and shortening the diffusion path of adsorbed oxygen. The results represent a new step for the electrocatalytic applications of MXene materials, and also motivate enthusiasm in the quest for new MXene derivations.
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Citations
Cited by
Chai, W. S., Cheun, J. Y., Kumar, P. S., Mubashir, M., Majeed, Z., Banat, F., Ho, S.-H., & Show, P. L. (2021) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2021.126589 · Cited by 1,275
Hong Ng, V. M., Huang, H., Zhou, K., Lee, P. S., Que, W., Xu, J. Z., & Kong, L. B. (2017) · Journal of Materials Chemistry A · doi:10.1039/c6ta06772g · Cited by 784
MXene: An emerging material for sensing and biosensing
Sinha, A., Dhanjai, Zhao, H., Huang, Y., Lu, X., Chen, J., & Jain, R. (2018) · TrAC Trends in Analytical Chemistry · doi:10.1016/j.trac.2018.05.021 · Cited by 721
Recent advance in MXenes: A promising 2D material for catalysis, sensor and chemical adsorption
Zhu, J., Ha, E., Zhao, G., Zhou, Y., Huang, D., Yue, G., Hu, L., Sun, N., Wang, Y., Lee, L. Y. S., et al. (2017) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2017.09.012 · Cited by 659
MXene Materials for Designing Advanced Separation Membranes
Karahan, H. E., Goh, K., Zhang, C. (., Yang, E., Yıldırım, C., Chuah, C. Y., Ahunbay, M. G., Lee, J., Tantekin‐Ersolmaz, Ş. B., Chen, Y., et al. (2020) · Advanced Materials · doi:10.1002/adma.201906697 · Cited by 543
Metadata
- Authors
- Zhang, Z., Li, H., Zou, G., Fernandez, C., Liu, B., Zhang, Q., Hu, J., & Peng, Q.
- Venue
- ACS Sustainable Chemistry & Engineering
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-09-28
- Volume
- 4
- Issue
- 12
- Pages
- 6763-6771
- ISSN
- 2168-0485 (ISSN-L)
- OpenAlex
- W2523745617
- Cited by
- 271
- References
- 0
- FWCI
- 8.59
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhang, Z., Li, H., Zou, G., Fernandez, C., Liu, B., Zhang, Q., Hu, J., & Peng, Q. (2016). Self-Reduction Synthesis of New MXene/Ag Composites with Unexpected Electrocatalytic Activity. ACS Sustainable Chemistry & Engineering. https://doi.org/10.1021/acssuschemeng.6b01698
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