Renewable juglone nanowires with size-dependent charge storage properties.

Renewable juglone nanowires with size-dependent charge storage properties.
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具有尺寸依赖性电荷存储特性的可再生胡桃核纳米线

DOI:
10.1039/c7ra12489a
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发表时间:
2018-01-05
期刊:
影响因子:
3.9
通讯作者:
Wang, Hua
Wang, Hua
中科院分区:
化学3区
文献类型:
--
作者:
Guo, Linlin;Wang, Aifen;Hu, Pengfei;Tian, Aihua;Hao, Rui;Yu, Dandan;Yang, Jie;Chen, Dezhi;Wang, Hua

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受生物代谢过程的启发,一些具有可逆氧化还原官能团的生物分子已被用作可充电电池、超级电容器和其他电荷存储器件的有前途的电极材料。虽然这些基于生物分子的电极材料具有显著的有益特性,但它们的可控合成和与形态相关的特性却很少被研究。本文中,基于胡桃醌生物分子的一维纳米结构已经通过抗溶剂结晶和自组装方法被成功地制备。此外,尺寸效应对它们的电化学电荷存储性能进行了研究。结果表明,一维纳米结构的直径决定了其电子/离子传输性能,胡桃醌纳米线具有较高的比电容和倍率性能。这一工作将促进环境友好型和高效储能电极材料的发展。
Inspired by the biological metabolic process, some biomolecules with reversible redox functional groups have been used as promising electrode materials for rechargeable batteries, supercapacitors and other charge-storage devices. Although these biomolecule-based electrode materials possess remarkable beneficial properties, their controllable synthesis and morphology-related properties have been rarely studied. Herein, one dimensional nanostructures based on juglone biomolecules have been successfully fabricated by an antisolvent crystallization and self-assembly method. Moreover, the size effect on their electrochemical charge-storage properties has been investigated. It reveals that the diameters of the one dimensional nanostructure determine their electron/ion transport properties, and the juglone nanowires achieve a higher specific capacitance and rate capability. This work will promote the development of environmentally friendly and high-efficiency energy storage electrode materials.
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