Flower-like nanoarchitecture assembled from Bi2S3 nanorod/MoS2 nanosheet heterostructures for high-performance supercapacitor electrodes

被引:65
作者
Fang, Linxia [1 ]
Qiu, Yan [1 ]
Zhai, Tianli [1 ]
Wang, Fan [1 ]
Lan, Mengdi [1 ]
Huang, Kejing [1 ]
Jing, Qiangshan [1 ]
机构
[1] Xinyang Normal Univ, Coll Chem & Chem Engn, Henan Prov Key Lab Utilizat Nonmetall Mineral Sou, Xinyang, Peoples R China
基金
中国国家自然科学基金;
关键词
Molybdenum dichalcogenides; Bismuth sulfide; Heterostructures; Supercapacitors; ONE-POT SYNTHESIS; EPITAXIAL-GROWTH; MOS2; GRAPHENE; POLYANILINE;
D O I
10.1016/j.colsurfa.2017.09.022
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Three-dimensional (3D) flower-like Bi2S3/MoS2 nanohybrid is synthesized using a facile one-pot hydrothermal method. In the nanohybrid, MoS2 nanosheet is tightly attached to the surface of the Bi2S3 nanorod to form a superior heterointerface, facilitating the electron transfer. Three-dimensional nanoarchitecture gives rise to large spaces and voids, fastening the ion diffuse. With the unique structural features of high-quality heterostructures and 3D aisles, the as-prepared flower-like Bi2S3/MoS2 nanohybrid exhibit excellent electrochemical performance with a high specific capacitance of 3040 F g(-1), a remarkable rate capability (1258 F g(-1) at a current density of 30 A g(-1)), and an outstanding cycle stability (92.65% capacitance retention after 5000 cycles at 10 A g-1). These promising results bring a new strategy to design advanced electrode materials for high-performance supercapacitors.
引用
收藏
页码:41 / 48
页数:8
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