In this letter, we demonstrated gravure printing of hybrid MoS2@S-rGO consisting of sulfonated reduced graphene oxide (S-rGO) and MoS2 nanoflowers to obtain a highly porous pattern of interdigitated electrodes, leading to a microsupercapacitor on a flexible polyimide substrate. The in-plane interdigital design of the printed microelectrodes is effective in increasing accessibility of electrolyte ions into the large active surface area. The optimized MoS2@S-rGO microsupercapacitor achieved a high specific capacitance (6.56 mF/cm2), energy density (0.58 mWh/cm3), and power density (13.4 mW/cm3), respectively. In addition, the printed microsupercapacitor lost only 9% of the maximum capacity after 1000 cycles, indicating that the printed hybrid MoS2@S-rGO microsupercapacitors are quite stable for potential flexible device applications.
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6 July 2015
Research Article|
July 08 2015
Gravure printing of hybrid MoS2@S-rGO interdigitated electrodes for flexible microsupercapacitors
Yuxiu Xiao;
Yuxiu Xiao
Joint Lab with Wuhu Token for Graphene Electrical Materials and Application, Department of Physics,
Shanghai Normal University
, 100 Guilin Road, Shanghai 200234, China
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Lei Huang;
Lei Huang
a)
Joint Lab with Wuhu Token for Graphene Electrical Materials and Application, Department of Physics,
Shanghai Normal University
, 100 Guilin Road, Shanghai 200234, China
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Qi Zhang;
Qi Zhang
Joint Lab with Wuhu Token for Graphene Electrical Materials and Application, Department of Physics,
Shanghai Normal University
, 100 Guilin Road, Shanghai 200234, China
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Shuhua Xu;
Shuhua Xu
Joint Lab with Wuhu Token for Graphene Electrical Materials and Application, Department of Physics,
Shanghai Normal University
, 100 Guilin Road, Shanghai 200234, China
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Qi Chen;
Qi Chen
Joint Lab with Wuhu Token for Graphene Electrical Materials and Application, Department of Physics,
Shanghai Normal University
, 100 Guilin Road, Shanghai 200234, China
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Wangzhou Shi
Wangzhou Shi
Joint Lab with Wuhu Token for Graphene Electrical Materials and Application, Department of Physics,
Shanghai Normal University
, 100 Guilin Road, Shanghai 200234, China
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a)
Electronic addresses: [email protected] and [email protected]. Tel.: +86 21 6432 8968. Fax: +86 21 6432 8968.
Appl. Phys. Lett. 107, 013906 (2015)
Article history
Received:
May 13 2015
Accepted:
June 29 2015
Citation
Yuxiu Xiao, Lei Huang, Qi Zhang, Shuhua Xu, Qi Chen, Wangzhou Shi; Gravure printing of hybrid MoS2@S-rGO interdigitated electrodes for flexible microsupercapacitors. Appl. Phys. Lett. 6 July 2015; 107 (1): 013906. https://doi.org/10.1063/1.4926570
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