MoS2-2xSe2x Nanosheets Grown on Hollow Carbon Spheres for Enhanced Electrochemical Activity

Electrochemical catalysts with high conductivity and low reaction potential are respected. In this paper, hollow carbon spheres (HCSs) were homogeneously coated with Se-doped MoS2 (MoS2-2xSe2x) nanosheets by hydrothermal synthesis. The HCSs reduced the agglomeration of MoS2-2xSe2x nanosheets and imp...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 37(2021), 27 vom: 13. Juli, Seite 8314-8322
1. Verfasser: Luan, Xinxin (VerfasserIn)
Weitere Verfasser: Zhu, Kaili, Zhang, Xiao, Yang, Ping
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Electrochemical catalysts with high conductivity and low reaction potential are respected. In this paper, hollow carbon spheres (HCSs) were homogeneously coated with Se-doped MoS2 (MoS2-2xSe2x) nanosheets by hydrothermal synthesis. The HCSs reduced the agglomeration of MoS2-2xSe2x nanosheets and improved their conductivity. Compared with the MoS2-modified samples, Se doping increased the interlayer spacing which provided more active catalytic sites and improved the charge transfer. Thus, MoS2-2xSe2x-decorated samples revealed enhanced electrocatalytic activity. The composition of MoS2-2xSe2x nanosheets was adjusted by changing the ratios of sulfur and selenium precursors. In the case of a Se/S molar ratio of 0.1, the composite of HCS decorated with MoS2-2xSe2x nanosheets (CMoS2-2xSe2x) revealed the lowest overpotential and the smallest Tafel slope 
650 4 |a Journal Article 
700 1 |a Zhu, Kaili  |e verfasserin  |4 aut 
700 1 |a Zhang, Xiao  |e verfasserin  |4 aut 
700 1 |a Yang, Ping  |e verfasserin  |4 aut 
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