期刊
JOURNAL OF MATERIALS SCIENCE
卷 55, 期 29, 页码 14358-14372出版社
SPRINGER
DOI: 10.1007/s10853-020-04897-9
关键词
-
资金
- National Science Foundation of China [21676023]
Here, two-dimensional molybdenum disulfide (2D-MoS2) nanosheets were efficiently extracted from dispersions by precipitation method and then directly applied as co-catalyst for enhancing Fenton reactions. The 2D-MoS(2)nanosheets were completely extracted in a short time, while surfactant was left in dispersion. The average length and layer number of extracted 2D-MoS(2)nanosheets are 110.41 nm and 2.6, respectively. Due to the loose structure and a small amount of adsorbed surfactant, the extracted 2D-MoS(2)nanosheets exhibited excellent dispersibility in various solvents. The 2D-MoS(2)nanosheets as co-catalyst promoted greatly the production rate of reactive hydroxyl radicals (center dot OH) and thus decreased remarkably the dosage of ferrous salts and H2O2. The co-catalytic property of 2D-MoS(2)nanosheets is much better than that of commercial bulk MoS(2)because 2D-MoS(2)provides abundant active edge sites. This work not only demonstrated a scalable and efficient method for extracting 2D-MoS(2)nanosheets from dispersions, but also widened the applications areas of 2D-MoS(2)and provided an excellent co-catalyst for Fenton reactions.
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