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Metal Organic Frameworks (MOFs) Derived Iron Phosphide as Highly Stable and Efficient Catalysts for Hydrogen Evolution

Abstract

Herein, a facile and universal strategy for developing metal phosphides by metal organic frameworks (MOFs) was constructed and a high efficient hydrogen evolution reaction (HER) catalyst was developed. By employing MIL-101(Fe) as the precursor, through carbonization, in situ reduction and direct phosphating process in the presence of NaH2PO2, carbon-coated FeP nanoparticles(FeP-NPs/C) with large specific surface area(114.3 m2 g-1)was successfully synthesized. When applied for HER test in 0.5 M H2SO4 solution, the catalyst exhibited superior HER activity with an onset overpotential of 23 mV, a Tafel slope of 72 mV dec-1, an exchange current density of 0.925 mA cm-2 and an overpotential of 72 mV at current density of 10 mA cm-2, which was comparable to or even surpassed most of the opponents. Moreover, it exhibited no obvious decay after 1000 cycles scans in a long-term durability test.

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Publication details

The article was accepted on 05 Aug 2019 and first published on 06 Aug 2019


Article type: Paper
DOI: 10.1039/C9SE00564A
Sustainable Energy Fuels, 2019, Accepted Manuscript

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    Metal Organic Frameworks (MOFs) Derived Iron Phosphide as Highly Stable and Efficient Catalysts for Hydrogen Evolution

    Q. Yang, R. Zhang, W. Wang, P. Zhou, L. Wang, T. Chen, H. Xu and L. Zheng, Sustainable Energy Fuels, 2019, Accepted Manuscript , DOI: 10.1039/C9SE00564A

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