High Phase-Purity 1T-MoS2 Ultrathin Nanosheets by a Spatially Confined Template
Xiaoyu Chen
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083 China
These authors contributed equally to this work.
Search for more papers by this authorDr. Zumin Wang
State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Beijing, 100190 China
These authors contributed equally to this work.
Search for more papers by this authorDr. Yanze Wei
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083 China
Search for more papers by this authorXing Zhang
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083 China
Search for more papers by this authorDr. Qinghua Zhang
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190 China
Search for more papers by this authorProf. Lin Gu
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190 China
Search for more papers by this authorDr. Lijuan Zhang
State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Beijing, 100190 China
Search for more papers by this authorCorresponding Author
Prof. Nailiang Yang
State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Beijing, 100190 China
University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 10049 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Ranbo Yu
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083 China
Key Laboratory of Advanced Material Processing & Mold (Ministry of Education), Zhengzhou University, Zhengzhou, 450002 P. R. China
Search for more papers by this authorXiaoyu Chen
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083 China
These authors contributed equally to this work.
Search for more papers by this authorDr. Zumin Wang
State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Beijing, 100190 China
These authors contributed equally to this work.
Search for more papers by this authorDr. Yanze Wei
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083 China
Search for more papers by this authorXing Zhang
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083 China
Search for more papers by this authorDr. Qinghua Zhang
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190 China
Search for more papers by this authorProf. Lin Gu
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190 China
Search for more papers by this authorDr. Lijuan Zhang
State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Beijing, 100190 China
Search for more papers by this authorCorresponding Author
Prof. Nailiang Yang
State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Beijing, 100190 China
University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 10049 P. R. China
Search for more papers by this authorCorresponding Author
Prof. Ranbo Yu
Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083 China
Key Laboratory of Advanced Material Processing & Mold (Ministry of Education), Zhengzhou University, Zhengzhou, 450002 P. R. China
Search for more papers by this authorGraphical Abstract
1T-MoS2 coupled with NiS2 was successfully synthesized in high phase purity by a spatially confined template method on a large scale. A different ratio of 1T-MoS2 could be obtained by simply regulating the structure of the template. The hydrogen evolution reaction (HER) performance of the 1T-MoS2/NiS2 in alkaline media was studied.
Abstract
The crystal phase plays an important role in controlling the properties of a nanomaterial; however, it is a great challenge to obtain a nanomaterial with high purity of the metastable phase. For instance, the large-scale synthesis of the metallic phase MoS2 (1T-MoS2) is important for enhancing electrocatalytic reaction, but it can only be obtained under harsh conditions. Herein, a spatially confined template method is proposed to synthesize high phase-purity MoS2 with a 1T content of 83 %. Moreover, both the confined space and the structure of template will affect the purity of 1T-MoS2; in this case, this approach was extended to other similar spatially confined templates to obtain the high-purity material. The obtained ultrathin nanosheets exhibit good electrocatalytic activity and excellent stability in the hydrogen evolution reaction.
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