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 Repjournal_title
Scientific reportsauthors
Li H,Wu H,Yuan S,Qian Hdoi
10.1038/srep21171subject
Has Abstractpub_date
2016-02-18 00:00:00pages
21171issn
2045-2322pii
srep21171journal_volume
6pub_type
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