PEG assisted hydrothermal synthesis of hierarchical MoS2 microspheres with excellent adsorption behavior

Uniform hierarchical MoS2 microspheres have been successfully synthesized via facile hydrothermal method with the aid of nonionic surfactant polyethylene glycol (PEG). The products were analyzed by XRD, SEM, TEM, XPS, BET and FTIR. Results indicated that PEG 6000 played a crucial role in the formati...

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Bibliographic Details
Published in:Materials letters 2016-04, Vol.169, p.241-245
Main Authors: Qiao, Xiuqing, Hu, Fuchao, Hou, Dongfang, Li, Dongsheng
Format: Article
Language:English
Subjects:
Adsorbents
Defects
Hierarchical
Hydrothermal
Microspheres
Microstructure
Molybdenum disulfide
MoS2 microspheres
Nanospheres
Nanostructure
Pollutants
Polyethylene glycol
X-ray photoelectron spectroscopy
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Summary:Uniform hierarchical MoS2 microspheres have been successfully synthesized via facile hydrothermal method with the aid of nonionic surfactant polyethylene glycol (PEG). The products were analyzed by XRD, SEM, TEM, XPS, BET and FTIR. Results indicated that PEG 6000 played a crucial role in the formation of the hierarchical MoS2 microspheres and the obtained MoS2 microspheres with diameters of 5–10µm are organized by numerous ultrathin nanosheets assembled nanospheres. Interestingly, the MoS2 architectures displayed remarkable performance towards removal of methylene blue (MB) from aqueous solution. More importantly, the hierarchical MoS2 microspheres were easy to separate from the reaction system because of the hierarchical structure and large sizes. This resulting hierarchical MoS2 microspheres are very promising adsorbent for adsorb organic pollutants and other applications. •Uniform hierarchical MoS2 microspheres have been synthesized with the aid of PEG.•MoS2 microspheres are constructed by ultrathin nanosheets assembled nanospheres.•MoS2 microspheres exhibit super adsorption ability for MB in amazing short time.•This material promises extensive application in the removal of organic dyes.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2016.01.093