Facile Self-Assembly of Fe3O4 Nanoparticles@WS2 Nanosheets: A Promising Candidate for Supercapacitor Electrode

被引：19

作者：

Dai, Yu ^{[1
]}

Wu, Xiao ^{[1
]}

Sha, Dawei ^{[1
]}

Chen, Ming ^{[1
]}

Zou, Han ^{[1
]}

Ren, Jie ^{[1
]}

Wang, Jingjing ^{[1
]}

Yan, Xuehua ^{[1
,2
]}

机构：

[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China

[2] Jiangsu Univ, Inst Adv Mat, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

ELECTRONIC MATERIALS LETTERS | 2016年 / 12卷 / 06期

关键词：

WS2; Fe3O4; nanoparticles; nanocomposites; raman; electrochemical behaviors; TRANSITION-METAL-DICHALCOGENIDE; EVOLUTION; ELECTROCATALYSTS; NANOMATERIALS;

D O I：

10.1007/s13391-016-6107-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Graphene-like dichalcogenides with huge surface area and nanostructured transition metal oxides with extraordinarily high theoretical capacities could be composited as promising electrode candidates for supercapacitors. In this work, monolayer and few-layers WS2 nanosheets were exfoliated by combination of ball-milling and sonication. A facile strategy for the hierarchical self-assembly of Fe3O4 nanoparticles (Fe(3)O(4)NPs) on WS2 nanosheets was developed to synthesize Fe(3)O(4)NPs@WS2 nanocomposites via hydrothermal method. Fe(3)O(4)NPs are uniformly dispersed on the WS2 nanosheets without aggregation. The particle size of Fe(3)O(4)NPs is about 3 nm. The nanocomposite shows strong enhancements of electrochemical behaviors. This self-assembly synthesis strategy may have great prospects for other 0D/2D nanocomposites in supercapacitors and other energy devices.

引用

页码：789 / 794

页数：6

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