Hydrogen evolution reaction in acidic media on single-crystalline titanium nitride nanowires as an efficient non-noble metal electrocatalyst

Single-crystalline titanium nitride nanowires (TiN NWs) have been directly synthesized by a novel chemical vapor deposition (CVD) method and used as efficient catalysts for hydrogen evolution reaction (HER) for the first time. Electrochemical tests reveal good HER performance of TiN NWs, with a low...

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Bibliographic Details
Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2016-01, Vol.4 (1), p.3673-3677
Main Authors: Han, Yujie, Yue, Xin, Jin, Yanshuo, Huang, Xiangdong, Shen, Pei Kang
Format: Article
Language:English
Subjects:
Chemical reactions
Chemical vapor deposition
Electrocatalysts
Hydrogen evolution
Media
Nanowires
Single crystals
Titanium nitride
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Summary:Single-crystalline titanium nitride nanowires (TiN NWs) have been directly synthesized by a novel chemical vapor deposition (CVD) method and used as efficient catalysts for hydrogen evolution reaction (HER) for the first time. Electrochemical tests reveal good HER performance of TiN NWs, with a low overpotential of 92 mV at 1 mA cm −2 and a Tafel slope of 54 mV dec −1 . After 20 000 cycles and 100 h durability test also in acidic media, the current density remains nearly unchanged, revealing the good chemical stability of the as-synthesized TiN NWs for HER. Single-crystalline titanium nitride nanowires have been directly synthesized by a novel chemical vapor deposition method and used as efficient catalysts for hydrogen evolution reaction for the first time.
ISSN:2050-7488
2050-7496
DOI:10.1039/c5ta09976e