Synthesis and characterization of vertically standing MoS2 nanosheets.

Abstract:

:Molybdenum disulfide (MoS2) has been attracting much attentions due to its excellent electrical and optical properties. We report here the synthesis of large-scale and uniform MoS2 nanosheets with vertically standing morphology using chemical vapor deposition method. TEM observations clearly reveal the growth mechanism of these vertical structures. It is suggested that the vertical structures are caused by the compression and extrusion between MoS2 islands. More importantly, the vertical morphology of two dimensional (2D) materials hold many promising potential applications. We demonstrate here the as-synthesized vertically standing MoS2 nanosheets could be used for hydrogen evolution reaction, where the exchange current density is about 70 times of bulk MoS2. The field emission performance of vertically standing MoS2 were also improved due to the abundantly exposed edges.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Li H,Wu H,Yuan S,Qian H

doi

10.1038/srep21171

subject

Has Abstract

pub_date

2016-02-18 00:00:00

pages

21171

issn

2045-2322

pii

srep21171

journal_volume

6

pub_type

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