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Hydrothermal synthesis and controlled growth of hierarchical 3D flower-like MoS2 nanospheres assisted with CTAB and their NO2 gas sensing properties.
- Source :
-
Applied Surface Science . Oct2018, Vol. 455, p276-282. 7p. - Publication Year :
- 2018
-
Abstract
- Hierarchical 3D flower-like MoS 2 nanospheres with the diameter of about 300 nm were successfully synthesized via a facile hydrothermal process assisted with CTAB. And we found that CTAB played a vital role on the formation of MoS 2 architectures. As the concentration of CTAB increasing, MoS 2 nanopowders with sheet-like, flower-like, large size spherical morphologies were synthesized. And particle sizes of synthesized powders also increased. The optimum concentration of CTAB for the well-defined 3D hierarchical spherical morphology of MoS 2 was 6 g/L. In addition, a feasible formation mechanism of the morphology evolution was put forward in detail on the basis of the experimental results. The gas–sensing properties of flower-like MoS 2 nanospheres were tested. The result indicated that the sensor exhibited high response and selectivity towards NO 2, which may be related to the open and well-defined structures and the abundant micro reaction rooms assembled by ultrathin nanosheets. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 01694332
- Volume :
- 455
- Database :
- Academic Search Index
- Journal :
- Applied Surface Science
- Publication Type :
- Academic Journal
- Accession number :
- 130689500
- Full Text :
- https://doi.org/10.1016/j.apsusc.2018.05.224