Metallic few-layered VSe2 nanosheets: high two-dimensional conductivity for flexible in-plane solid-state supercapacitors

被引：106

作者：

Wang, Chaolun ^{[1
]}

Wu, Xing ^{[1
]}

Ma, Yonghui ^{[2
]}

Mu, Gang ^{[2
]}

Li, Yaoyi ^{[3
]}

Luo, Chen ^{[1
]}

Xu, Hejun ^{[1
]}

Zhang, Yuanyuan ^{[1
]}

Yang, Jing ^{[1
]}

Tang, Xiaodong ^{[1
]}

Zhang, Jian ^{[1
,6
]}

Bao, Wenzhong ^{[4
]}

Duan, Chungang ^{[1
,5
]}

机构：

[1] East China Normal Univ, Dept Elect Engn, Shanghai Key Lab Multidimens Informat Proc, Key Lab Polar Mat & Devices MOE, 500 Dongchuan Rd, Shanghai 200241, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China

[3] Shanghai Jiao Tong Univ, Sch Phys & Astron, Key Lab Arti cial Struct & Quantum Control MOE, 800 Dongchuan Rd, Shanghai 200240, Peoples R China

[4] Fudan Univ, State Key Lab ASIC & Syst, Shanghai 200433, Peoples R China

[5] Shanxi Univ, Collaborat Innovat Ctr Extreme Opti, Taiyuan 030006, Shanxi, Peoples R China

[6] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Transducer Technol, Shanghai 200050, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2018年 / 6卷 / 18期

关键词：

VANADIUM DISULFIDE NANOSHEETS; CHEMICAL-VAPOR-DEPOSITION; REDUCED GRAPHENE OXIDE; HIGH-PERFORMANCE; MICRO-SUPERCAPACITORS; NANOSTRUCTURES; ELECTRODES; DISELENIDE; DICHALCOGENIDES;

D O I：

10.1039/c8ta00089a

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：

Metallic two-dimensional (2D) 1T-VSe2 with high conductivity and a large specific surface area is a promising electrode material for supercapacitors. Here, we use a facile chemical vapor deposition (CVD) method to prepare thin VSe2 nanosheets. A flexible in-plane solid-state supercapacitor is fabricated using the high-quality VSe2 nanosheets as the electrode material. The prepared supercapacitor presents an electrical double-layer capacitive behavior, and it has a high power density that is comparable with that of advanced graphene-based supercapacitors. The flexible supercapacitor also shows good mechanical stability to both bending and fatigue tests up to 10 000 cycles. This work provides a novel method for the fabrication of high-performance thin-film power sources, and paves the way for their application in soft thin-geometry devices.

引用

页码：8299 / 8306

页数：8

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