Polyoxometalate-based metal-organic framework-derived hybrid electrocatalysts for highly efficient hydrogen evolution reaction

Ji Sen Li, Yu Jia Tang, Chun Hui Liu, Shun Li Li, Run Han Li, Long Zhang Dong, Zhi Hui Dai, Jian Chun Bao, Ya Qian Lan

Research output: Contribution to journalArticlepeer-review

172 Scopus citations

Abstract

The design and fabrication of electrocatalysts for HER, with superior activity and stability, still remain a significant challenge for clean and renewable energy technologies. Here we have synthesized Fe3C/Mo2C-containing N, P co-doped graphitic carbon derived from POM@MOF-100 (Fe) (denoted as Fe3C/Mo2C@NPGC) via a "killing three birds with one stone" strategy. The Fe3C/Mo2C@NPGC catalyst demonstrates excellent electrocatalytic activity and stability towards HER with a low onset overpotential of 18 mV (vs. RHE), small Tafel slope of 45.2 mV dec-1, as well as long-term durability for 10 h, which is one of the best non-noble metal HER catalysts in acidic media reported so far. Most importantly, this work opens up exciting opportunities for fabricating novel and highly efficient electrocatalysts to replace Pt or Pt-based catalysts utilizing POM-based metal-organic frameworks (MOFs) as precursors.

Original languageEnglish
Pages (from-to)1202-1207
Number of pages6
JournalJournal of Materials Chemistry A
Volume4
Issue number4
DOIs
StatePublished - 28 Jan 2016
Externally publishedYes

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