Issue 10, 2015

Nanosheet-assembled MoSe2 and S-doped MoSe2−x nanostructures for superior lithium storage properties and hydrogen evolution reactions

Abstract

The development of layered molybdenum chalcogenides with largely exposed active sites is receiving intense interest because of their potential applications in energy storage and catalysis. Here, we report a strategy for the synthesis of hierarchical MoSe2 and S-doped MoSe2−x nanostructures resulting from the assembly of nanosheets. The incorporation of S exposes a large quantity of the active edge sites as well as abundant unsaturated sites. For example, the hierarchical S-doped MoSe2−x nanotubes show a high reversible capacity and excellent cycling performance as an anode material for lithium-ion batteries (LIB). In addition, the synthesized S-doped MoSe2−x nanosheets exhibit excellent catalytic activity and superior stability for the hydrogen evolution reaction (HER) in acidic medium. The excellent performance of S-doped MoSe2−x nanosheets has been attributed to the synergistic effect of the high density of active sites as well as the enhanced conductivity.

Graphical abstract: Nanosheet-assembled MoSe2 and S-doped MoSe2−x nanostructures for superior lithium storage properties and hydrogen evolution reactions

Supplementary files

Article information

Article type
Research Article
Submitted
20 7 2015
Accepted
21 8 2015
First published
24 8 2015

Inorg. Chem. Front., 2015,2, 931-937

Author version available

Nanosheet-assembled MoSe2 and S-doped MoSe2−x nanostructures for superior lithium storage properties and hydrogen evolution reactions

Y. Yang, S. Wang, J. Zhang, H. Li, Z. Tang and X. Wang, Inorg. Chem. Front., 2015, 2, 931 DOI: 10.1039/C5QI00126A

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