Phosphorus-Doped MoS2 Nanosheets Supported on Carbon Cloths as Efficient Hydrogen-Generation Electrocatalysts

Luozhen Bian, Wei Gao, Jiamin Sun, Mingming Han, Fulin Li, Zhaofeng Gao, Lei Shu, Ning Han, Zai Xing Yang, Aimin Song, Yongquan Qu, Johnny C. Ho

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

Highly efficient and stable non-noble metal electrocatalysts for hydrogen generation are desired for sustainable development of energy conversion and storage. Here, a facile low-temperature phosphidation process is developed for phosphorus doping into molybdenum disulfide (MoS2) nanosheets directly synthesized on carbon cloths to function as an integrated electrode for efficient hydrogen evolution reaction. The optimal phosphorus-doped (3.3 at%) MoS2 nanosheets exhibit substantially lower overpotentials of 133 and 189 mV to drive the current densities of 20 and 100 mA cm-2, respectively, as compared with undoped MoS2, and an impressively small Tafel slope of 67.0 mV dec−1. The excellent stability in acid media also makes the phosphorus-doped MoS2 nanosheet catalysts promising candidates for hydrogen generation in practical applications.

Original languageEnglish
Pages (from-to)1571-1577
Number of pages7
JournalChemCatChem
Volume10
Issue number7
DOIs
Publication statusPublished - Apr 9 2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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