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题名: One-Step Device Fabrication of Phosphorene and Graphene Interdigital Micro-dSupercapacitors with High Energy Density
作者: Xiao, Han;  Wu, Zhong-Shuai;  Chen, Long;  Zhou, Feng;  Zheng, Shuanghao;  Ren, Wencai;  Cheng, Hui-Ming;  Bao, Xinhe
发表日期: 2017-7-1
摘要: Rational engineering and simplified fabrication of high-energy micro-supercapacitors (MSCs) using graphene and other 2D nanosheets are of great value for flexible and integrated electronics. Here we develop onestep mask-assisted simplified fabrication of high-energy MSCs (PG-MSCs) based on the interdigital hybrid electrode (PG) patterns of stacking high-quality phosphorene nanosheets and electrochemically exfoliated graphene in ionic liquid electrolyte. The hybrid PG films with interdigital patterns were directly manufactured by layer-by layer deposition of phosphorene and graphene nanosheets with the assistance of a customized interdigital mask, and directly transferred onto a flexible substrate. The resultant patterned PG films present outstanding uniformity, flexibility, conductivity (319 S cm(-1)), and structural integration, which can directly serve as binder- and additive-free flexible electrodes for MSCs. Remarkably, PG-MSCs deliver remarkable energy density of 11.6 mWh cm(-3), outperforming most nanocarbon-based MSCs. Moreover, our PG-MSCs show outstanding flexibility and stable performance with slight capacitance fluctuation even under highly folded states. In addition, our simplified mask-assisted strategy for PG-MSCs is highly flexible for simplified production of parallelly and serially interconnected modular power sources, without need of conventional metal-based interconnects and contacts, for designable integrated circuits with high output current and voltage.
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Recommended Citation:
Xiao, Han,Wu, Zhong-Shuai,Chen, Long,et al. One-step Device Fabrication Of Phosphorene And Graphene Interdigital Micro-dsupercapacitors With High Energy Density[J]. Amer Chemical Soc,2017,11(7):7284-7292.

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