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Nanoscale Vol - 5 Issue - 7

Nanoscale Vol - 5 Issue - 6

Nanoscale Vol - 5 Issue - 5

Nanoscale Vol - 5 Issue - 4

Nanoscale Vol - 5 Issue - 3

Strongly luminescent monolayered MoS₂ prepared by effective ultrasound exfoliation

Content Provider	Royal Society of Chemistry (RSC)
Author	Henych, Jiří Štengl, Václav
Copyright Year	2013
Abstract	Intense ultrasound in a pressurized batch reactor was used for preparation of monolayered MoS2nanosheets from natural mineral molybdenite. Exfoliation of bulk MoS2 using ultrasound is an attractive route to large-scale preparation of monolayered crystals. To evaluate the quality of delamination, methods like X-ray diffraction, Raman spectroscopy and microscopic techniques (TEM and AFM) were employed. From single- or few-layered products obtained from intense sonication, MoS2quantum dots (MoSQDs) were prepared by a one-pot reaction by refluxing exfoliated nanosheets of MoS2 in ethylene glycol under atmospheric pressure. The synthesised MoSQDs were characterised by photoluminescence spectroscopy and laser-scattering particle size analysis. Our easy preparation leads to very strongly green luminescing quantum dots.
Starting Page	3387
Ending Page	3394
Page Count	8
File Format	HTM / HTML PDF
ISSN	20403364
Volume Number	5
Issue Number	8
Journal	Nanoscale
DOI	10.1039/c3nr00192j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Mineral Sonication One-pot synthesis Ethylene glycol Spectroscopy Atmospheric pressure Photoluminescence Batch reactor Raman spectroscopy Particle size analysis X-ray crystallography Quantum Transmission electron microscopy Molybdenite Raman Ultrasound
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology

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