Direct growth of CuCo2 S4 nanosheets on carbon fiber textile with enhanced electrochemical pseudocapacitive properties and electrocatalytic properties towards glucose oxidation

Nanoscale
Weina XuChenguo Hu

Abstract

Flexible and wearable electronic devices with excellent performance have been desired for making the next generation of electronic products. Herein, the synthesis of CuCo2S4 nanosheets on flexible carbon fiber textile (CFT) by a facile one-step and scalable hydrothermal procedure is reported, which is free from the sulphurization process used in the conventional synthesis of mixed metal sulphospinels. The as-prepared CuCo2S4 nanostructures on CFT can provide rich reaction sites and short ion diffusion paths. The CuCo2S4 nanosheets are employed as the free-standing electrodes for two different applications: high-performance supercapacitors and non-enzymatic glucose sensors. When employed as a flexible electrode material for supercapacitors, the electrode presents ultrahigh performance in energy storage with a specific capacitance of 3321.6 F g-1 at 5 A g-1, which is attributed to the suitable mass loading and special morphology of the as-prepared nanosheets. Remarkably, a specific capacitance of 2931.4 F g-1 is still retained at the high current density of 30 A g-1, suggesting its excellent rate capability. The specific capacitance retains 87.1% after 3000 cycles, reflecting excellent cycling performance. For real applications, ...Continue Reading

References

Mar 15, 2014·Science·Patrice SimonBruce Dunn
Dec 2, 2014·Biosensors & Bioelectronics·Yuting ZhangZhenxin Wang
Feb 5, 2015·Chemistry, an Asian Journal·Chengzhen WeiHuan Pang
Dec 15, 2015·Chemical Communications : Chem Comm·Jianhua TangMingxin Ye
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Jan 28, 2017·Scientific Reports·Michiru NishitaYasuhiro Minami
Feb 7, 2014·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Yuting ZhangYigang Chen
Jul 28, 2015·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Weina XuChenguo Hu

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