Journal
RSC ADVANCES
Volume 6, Issue 14, Pages 11631-11636Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra24328a
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Funding
- NSF of China [21373122, 51572152, 51502155]
- Research Project of Hubei Provincial Department of Education [D20151203]
- NSF of Hubei Province of China [D20151203, 2011CDA118]
- Scientific Research Foundation for the Introduction of Talent of China Three Gorges University [KJ2014B008]
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MoS2 sheets, graphene-like two-dimensional materials, show application potential in optoelectronics and biomedicine due to their unique properties. However, the environmental influence of such 2D materials remains to be unveiled. Here we report that MoS2 ultrathin nanosheets synthesized by a hydrothermal process display remarkable selective removal of Methylene Blue (MB) from aqueous solution, showing the maximum adsorption capacity reached up to 146.43 mg g(-1) within only 300 seconds. The kinetics and equilibrium of the adsorption process were found to follow the pseudo-second-order kinetic and Freundlich isotherm models, respectively. More importantly, MoS2 nanosheets can be readily cleaned for reuse by washing with deionized water. This work demonstrates that the resulting MoS2 nanosheets may be considered as highly efficient and green adsorbents for eliminating MB from aqueous solution.
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