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Stable Hierarchical Bimetal–Organic Nanostructures as HighPerformance Electrocatalysts for the Oxygen Evolution Reaction
Abstract
The integration of heterometallic units and nanostructures into metal–organic frameworks (MOFs) used for the oxygen evolution reaction (OER) can enhance the electrocatalytic performance and help elucidate underlying mechanisms. We have synthesized a series of stable MOFs (CTGU‐10a1–d1) based on trinuclear metal carboxylate clusters and a hexadentate carboxylate ligand with a (6,6)‐connected nia net. We also present a strategy to synthesize hierarchical bimetallic MOF nanostructures (CTGU‐10a2–d2). Among these, CTGU‐10c2 is the best material for the OER, with an overpotential of 240 mV at a current density of 10 mA cm−2 and a Tafel slope of 58 mV dec−1. This is superior to RuO 2 and confirms CTGU‐10c2 as one of the few known high‐performing pure‐phase MOF‐OER electrocatalysts. Notably, bimetallic CTGU‐10b2 and c2 show an improved OER activity over monometallic CTGU‐10a2 and d2. Both DFT and experiments show that the remarkable OER performance of CTGU‐10c2 is due to the presence of unsaturated metal sites, a hierarchical nanobelt architecture, and the Ni–Co coupling effect.
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Earth-abundant catalysts for electrochemical and photoelectrochemical water splitting
Roger, I., Shipman, M. A., & Symes, M. D. (2017) · Nature Reviews Chemistry · doi:10.1038/s41570-016-0003 · Cited by 3,503
Cited by
Metal–Organic Framework-Based Hierarchically Porous Materials: Synthesis and Applications
Cai, G., Yan, P., Zhang, L., Zhou, H.-C., & Jiang, H.-L. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00243 · Cited by 1,631
Recent progress in metal-organic frameworks-based hydrogels and aerogels and their applications
Wang, L., Xu, H., Gao, J., Yao, J., & Zhang, Q. (2019) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2019.213016 · Cited by 594
Recent Advances in MOF‐Derived Single Atom Catalysts for Electrochemical Applications
Song, Z., Zhang, L., Doyle‐Davis, K., Fu, X., Luo, J., & Sun, X. (2020) · Advanced Energy Materials · doi:10.1002/aenm.202001561 · Cited by 412
Yan, Y., Li, C., Wu, Y., Gao, J., & Zhang, Q. (2020) · Journal of Materials Chemistry A · doi:10.1039/d0ta03749d · Cited by 260
Self-citationZhang, H., Lv, Y., Chen, C., Lv, C., Wu, X., Guo, J., & Jia, D. (2021) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2021.120611 · Cited by 93
Metadata
- Authors
- Zhou, W., Huang, D., Wu, Y., Zhao, J., Wu, T., Zhang, J., Li, D., Sun, C., Feng, P., & Bu, X.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2019-02-18
- Volume
- 58
- Issue
- 13
- Pages
- 4227-4231
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2915324629
- Cited by
- 506
- References
- 1
- FWCI
- 19.12
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhou, W., Huang, D., Wu, Y., Zhao, J., Wu, T., Zhang, J., Li, D., Sun, C., Feng, P., & Bu, X. (2019). Stable Hierarchical Bimetal–Organic Nanostructures as HighPerformance Electrocatalysts for the Oxygen Evolution Reaction. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201813634
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