Issue 33, 2015

Hierarchical ultrathin Mo(SxSe1−x)2 nanosheets with tunable ferromagnetism and efficient hydrogen evolution reaction activity: towards defect site effect

Abstract

Layered transition metal dichalcogenides (TMDs) are now playing important roles in both fundamental studies and technological applications due to their special structures and rich physical properties. Here, hierarchical ultrathin TMD nanosheets based on molybdenum sulphoselenides [Mo(SxSe1−x)2] with tunable ferromagnetism were synthesized by a one step hydrothermal method. In addition, the hierarchical ultrathin Mo(SxSe1−x)2 nanosheets exhibit excellent composition-dependent electrocatalytic properties for the hydrogen evolution reaction (HER). It is considered that the intrinsic ferromagnetism and the efficient HER activity are related to the defect sites in the samples. This finding opens up a way to alter the ferromagnetism and electroactivity of layered chalcogenides by fine tuning of the composition.

Graphical abstract: Hierarchical ultrathin Mo(SxSe1−x)2 nanosheets with tunable ferromagnetism and efficient hydrogen evolution reaction activity: towards defect site effect

Supplementary files

Article information

Article type
Paper
Submitted
21 Jun 2015
Accepted
13 Jul 2015
First published
14 Jul 2015

CrystEngComm, 2015,17, 6420-6425

Hierarchical ultrathin Mo(SxSe1−x)2 nanosheets with tunable ferromagnetism and efficient hydrogen evolution reaction activity: towards defect site effect

B. Xia, L. An, D. Gao, S. Shi, P. Xi and D. Xue, CrystEngComm, 2015, 17, 6420 DOI: 10.1039/C5CE01199J

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