Two-dimensional metallic tantalum disulfide as a hydrogen evolution catalyst

Jianping Shi, Xina Wang, Shuai Zhang, Lingfeng Xiao, Yahuan Huan, Yue Gong, Zhepeng Zhang, Yuanchang Li, Xiebo Zhou, Min Hong, Qiyi Fang, Qing Zhang, Xinfeng Liu, Lin Gu, Zhongfan Liu and Yanfeng Zhang ()
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Jianping Shi: College of Engineering, Peking University
Xina Wang: Hubei University
Shuai Zhang: Division of Nanophotonics, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Lingfeng Xiao: Hubei University
Yahuan Huan: College of Engineering, Peking University
Yue Gong: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Zhepeng Zhang: Peking University
Yuanchang Li: Division of Nanophotonics, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Xiebo Zhou: College of Engineering, Peking University
Min Hong: College of Engineering, Peking University
Qiyi Fang: College of Engineering, Peking University
Qing Zhang: College of Engineering, Peking University
Xinfeng Liu: Division of Nanophotonics, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology
Lin Gu: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
Zhongfan Liu: College of Engineering, Peking University
Yanfeng Zhang: College of Engineering, Peking University

Nature Communications, 2017, vol. 8, issue 1, 1-9

Abstract: Abstract Two-dimensional metallic transition metal dichalcogenides are emerging as prototypes for uncovering fundamental physical phenomena, such as superconductivity and charge-density waves, as well as for engineering-related applications. However, the batch production of such envisioned transition metal dichalcogenides remains challenging, which has hindered the aforementioned explorations. Herein, we fabricate thickness-tunable tantalum disulfide flakes and centimetre-sized ultrathin films on an electrode material of gold foil via a facile chemical vapour deposition route. Through temperature-dependent Raman characterization, we observe the transition from nearly commensurate to commensurate charge-density wave phases with our ultrathin tantalum disulfide flakes. We have obtained high hydrogen evolution reaction efficiency with the as-grown tantalum disulfide flakes directly synthesized on gold foils comparable to traditional platinum catalysts. This work could promote further efforts for exploring new efficient catalysts in the large materials family of metallic transition metal dichalcogenides, as well as exploiting their applications towards more versatile applications.

Date: 2017
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DOI: 10.1038/s41467-017-01089-z

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