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Smart Yolk/Shell ZIF-67@POM Hybrids as Efficient Electrocatalysts for the Oxygen Evolution Reaction
Abstract
The purpose of this research is to develop an effective and inexpensive oxygen evolution reaction (OER) electrocatalyst to achieve high-efficiency water decomposition. Herein, Keggin-type polyoxometalate (POM) nanoparticles coated with zeolitic imidazolate framework (ZIF-67) were successfully synthesized by facile methods. An efficient ZIF-67@POM catalyst with yolk/shell structure is reported. The POM nanomaterials are uniformly dispersed in the surface of ZIF-67. This unique yolk/shell structure with potential synergistic interaction between POM and ZIF-67 results in superior electrocatalytic activity in OER. When the current density is 10 mA cm –2, the overpotential is only 287 mV, and the Tafel slope is 58 mV per decade. Moreover, the as-prepared yolk/shell ZIF-67@POM catalysts exhibit excellent cycling stability, high surface area, abundant surface active sites, and high diffusion efficiency comparable to the traditional noble-metal-free OER electrocatalyst.
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Citations
Cites
Benchmarking Heterogeneous Electrocatalysts for the Oxygen Evolution Reaction
McCrory, C. C. L., Jung, S., Peters, J. C., & Jaramillo, T. F. (2013) · Journal of the American Chemical Society · doi:10.1021/ja407115p · Cited by 7,026
Cited by
Heterogeneous Catalysis by Polyoxometalates in Metal–Organic Frameworks
Samaniyan, M., Mirzaei, M., Khajavian, R., Eshtiagh-Hosseini, H., & Streb, C. (2019) · ACS Catalysis · doi:10.1021/acscatal.9b03439 · Cited by 389
Performance of ZIF-67 – Derived fold polyhedrons for enhanced photocatalytic hydrogen evolution
Li, Y., Jin, Z., & Zhao, T. (2020) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.123051 · Cited by 361
Polyoxometalated metal-organic framework superstructure for stable water oxidation
Yue, K., Lu, R., Gao, M., Song, F., Dai, Y., Xia, C., Mei, B., Dong, H., Qi, R., Zhang, D., et al. (2025) · Science · doi:10.1126/science.ads1466 · Cited by 322
Metadata
- Authors
- Li, Q. Y., Zhang, L., Xu, Y. X., Li, Q., Xue, H., & Pang, H.
- Venue
- ACS Sustainable Chemistry & Engineering
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-01-28
- Volume
- 7
- Issue
- 5
- Pages
- 5027-5033
- ISSN
- 2168-0485 (ISSN-L)
- OpenAlex
- W2913184980
- Cited by
- 163
- References
- 1
- FWCI
- 4.74
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, Q. Y., Zhang, L., Xu, Y. X., Li, Q., Xue, H., & Pang, H. (2019). Smart Yolk/Shell ZIF-67@POM Hybrids as Efficient Electrocatalysts for the Oxygen Evolution Reaction. ACS Sustainable Chemistry & Engineering. https://doi.org/10.1021/acssuschemeng.8b05744
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