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Fluorescent brightener CBS-X doped polypyrrole as smart electrode material for supercapacitors

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  • Wang, Xue
  • Deng, Jinxing
  • Duan, Xiaojuan
  • Liu, Dong
  • Liu, Peng

Abstract

Fluorescent polypyrrole nanospheres (PPy/CBS-X) with uniform diameter were synthesized via a chemical oxidation polymerization with fluorescent brightener, 2,2′-([1,1′-biphenyl]-4,4′-diyldi-2,1-ethenediyl)bis-benzenesulfonic acid disodium salt (CBS-X), as dopant. The sample S-2 containing 1mol% CBS-X simultaneously exhibited the highest electrical conductivity of 31.3S/cm and the largest specific area of 98.33m2/g. When being used as electrode material for supercapacitors, it also possessed the high electrochemical specific capacitance (245.8F/g) at a scan rate of 5mV/s and the better rate capability and improved electrochemical stability than neutral (undoped) PPy, essentially attributed to a synergistic effect on the high doping level, large specific area and good π–π interactions from both PPy chains and CBS-X dopant. Most interestingly, the electrochemical activity of the fluorescent PPy/CBS-X could be easily monitored by photoluminescence. These features make the fluorescent polypyrrole nanospheres potential smart electrode material for high performance supercapacitors.

Suggested Citation

  • Wang, Xue & Deng, Jinxing & Duan, Xiaojuan & Liu, Dong & Liu, Peng, 2015. "Fluorescent brightener CBS-X doped polypyrrole as smart electrode material for supercapacitors," Applied Energy, Elsevier, vol. 153(C), pages 70-77.
    • Handle: RePEc:eee:appene:v:153:y:2015:i:c:p:70-77
    DOI: 10.1016/j.apenergy.2014.10.040
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    References listed on IDEAS

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    1. Khosrozadeh, A. & Xing, M. & Wang, Q., 2015. "A high-capacitance solid-state supercapacitor based on free-standing film of polyaniline and carbon particles," Applied Energy, Elsevier, vol. 153(C), pages 87-93.
    2. Su, Xiaohui & Yu, Lin & Cheng, Gao & Zhang, Huanhua & Sun, Ming & Zhang, Lei & Zhang, Jiujun, 2014. "Controllable hydrothermal synthesis of Cu-doped δ-MnO2 films with different morphologies for energy storage and conversion using supercapacitors," Applied Energy, Elsevier, vol. 134(C), pages 439-445.
    3. Su, Xiaohui & Yu, Lin & Cheng, Gao & Zhang, Huanhua & Sun, Ming & Zhang, Xiaofei, 2015. "High-performance α-MnO2 nanowire electrode for supercapacitors," Applied Energy, Elsevier, vol. 153(C), pages 94-100.
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    Cited by:

    1. Yuan, Chuanjun & Lin, Haibo & Lu, Haiyan & Xing, Endong & Zhang, Yusi & Xie, Bingyao, 2016. "Synthesis of hierarchically porous MnO2/rice husks derived carbon composite as high-performance electrode material for supercapacitors," Applied Energy, Elsevier, vol. 178(C), pages 260-268.
    2. Xie, Yanping & Zhao, Hongbin & Cheng, Hongwei & Hu, Chenji & Fang, Wenying & Fang, Jianhui & Xu, Jiaqiang & Chen, Zhongwei, 2016. "Facile large-scale synthesis of core–shell structured sulfur@polypyrrole composite and its application in lithium–sulfur batteries with high energy density," Applied Energy, Elsevier, vol. 175(C), pages 522-528.

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