Molybdenum diselenide/reduced graphene oxide based hybrid nanosheets for supercapacitor applications

被引：99
|
作者：
Balasingam, Suresh Kannan [1 ,2 ,4 ]
Lee, Jae Sung [3 ]
Jun, Yongseok [2 ]
机构：
[1] Ulsan Natl Inst Sci & Technol, Sch Mol Sci, Dept Chem, Ulsan 44919, South Korea
[2] Konkuk Univ, Dept Mat Chem & Engn, Seoul 05029, South Korea
[3] Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Ulsan 44919, South Korea
[4] Norwegian Univ Sci & Technol NTNU, Dept Mat Sci & Engn, Fac Nat Sci & Technol, N-7491 Trondheim, Norway
来源：
DALTON TRANSACTIONS | 2016年 / 45卷 / 23期
基金：
新加坡国家研究基金会;
关键词：
TRANSITION-METAL DICHALCOGENIDES; HIGH-PERFORMANCE SUPERCAPACITOR; LAYERED MOSE2 NANOSHEETS; COMPOSITE ELECTRODES; ENERGY-STORAGE; ELECTROCHEMICAL CAPACITORS; SOLVOTHERMAL SYNTHESIS; HYDROTHERMAL SYNTHESIS; CARBON MATERIALS; NI-FOAM;
D O I：
10.1039/c6dt00449k
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
In the present study, molybdenum diselenide/reduced graphene oxide (MoSe2/rGO) nanosheets were synthesized via a facile hydrothermal process and the electrochemical performance of the nanosheets was evaluated for supercapacitor applications. The MoSe2 nanosheets were uniformly distributed on the surface of the rGO matrix. The MoSe2/rGO nanosheet electrode exhibited an enhanced specific capacitance (211 F g(-1)) with excellent cycling stability, compared with pristine MoSe2. The enhanced electrochemical performance of the MoSe2/rGO nanosheet electrode is mainly attributed to the improved electron and ion transfer mechanism involving the synergistic effects of pseudocapacitance (from the MoSe2 nanosheets) and the electric double layer charge (EDLC, from the rGO nanosheets) storage behavior. These results demonstrate that the enhanced electrochemical performance of MoSe2/rGO nanosheets could be obtained via a facile and scalable approach.
引用
收藏
页码：9646 / 9653
页数：8
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