期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 253, 期 -, 页码 352-360出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2017.06.158
关键词
Heterostructures; MoS2 nanosheets; Gold nanoparticles; Biomolecules; Biosensors
资金
- National Natural Science Foundation of China [21675131]
- Municipal Science Foundation of Chongqing City [CSTC-2015jcyjB50001]
- Fundamental Research Funds for the Central Universities [XDJK2016C037]
Recently, hybrids of layered MoS2 are highly encouraged to handle the puzzles, taken by the weakness of two-dimensional (2D) transition metal dichalcogenides (TMDC), including low conductivity and lack of active edge sites. Considering the merits of zero-dimensional (0D) nanomaterials, the emerging heterostructures based on 0D Au nanoparticles and 2D MoS(2)nanosheets (MoS2-NSs) are successfully obtained via a spontaneously reduced process with the addition of HAuCl4 in exfoliated MoS2-NSs aqueous dispersions. Significantly, with the combination of high conductivity rate and large active surface, the synthetic effect results in a diversity of improved properties of 0D-2D heterostructures, not only exhibiting improved stability, but also remarkably enhancing the selectivity and sensitivity for electrochemically simultaneous detections of dopamine, ascorbic acid, uric acid, and nitrite. Our current achievements of 0D-2D heterostructures contribute fresh ideas to the overall development of more advanced future TMDC based sensors. (C) 2017 Elsevier B.V. All rights reserved.
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