Issue 33, 2021

Synthesis of hierarchical MoSe2 nanolayers on sodium sulfide crystals for electrocatalytic hydrogen evolution

Abstract

Hydrogen generation via water electroreduction is pivotal for exploiting clean-energy skills. Nevertheless, developing a low price and high-performance catalytic activity substance to take the place of expensive precious metal currently in use is still a precedent condition for technology commercialization. In this study, large-scale hierarchical few-layer MoSe2 nanosheets were successfully grown on the surface of sodium sulfide crystals. The water solubility of sodium sulfide makes it advantageous to generate MoSe2 nanolayers via a simple and inexpensive means. The micron-level sodium sulfide crystal surface has a very critical function in the nucleus formation and development of few-layer MoSe2. The ultrathin hierarchical MoSe2 nanolayers obtained using the proposed approach have preferable hydrogen evolution reaction. Furthermore, it is a fascinating technique that the template can be reused without environmental pollution. This research can be used to manufacture other ultrathin hierarchical transition-metal dichalcogenide nanolayers for high-performance many-sided applications.

Graphical abstract: Synthesis of hierarchical MoSe2 nanolayers on sodium sulfide crystals for electrocatalytic hydrogen evolution

Supplementary files

Article information

Article type
Paper
Submitted
23 Jun 2021
Accepted
25 Jul 2021
First published
26 Jul 2021

CrystEngComm, 2021,23, 5663-5667

Synthesis of hierarchical MoSe2 nanolayers on sodium sulfide crystals for electrocatalytic hydrogen evolution

X. Chen, M. Ju, K. Song, G. Chen, R. Yang and J. Wang, CrystEngComm, 2021, 23, 5663 DOI: 10.1039/D1CE00831E

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