电化学聚合制备含富勒烯交联聚合物薄膜及超级电容器应用

孙明晓; 邝普兴; 解增旗; 刘琳琳; 马於光

doi:10.11777/j.issn1000-3304.2018.17128

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电化学聚合制备含富勒烯交联聚合物薄膜及超级电容器应用

研究论文 | 更新时间：2021-01-26

- 电化学聚合制备含富勒烯交联聚合物薄膜及超级电容器应用
- Synthesis of Cross-linked Thin Films Containing Fullerene Units and Their Performance of Supercapacitor
- 高分子学报 2018年第2期页码：231-238
- 作者机构：
  
  华南理工大学发光材料与器件国家重点实验室广州 510640
- 作者简介：
  
  马於光, E-mail: ygma@scut.edu.cn Yu-guang Ma, E-mail: ygma@scut.edu.cn
- 基金信息：
  
  国家自然科学基金(51573055);国家自然科学基金(21334002)
- DOI：10.11777/j.issn1000-3304.2018.17128
  中图分类号：
- 纸质出版日期：2018-2-20，
  
  收稿日期：2017-5-11，
  
  修回日期：2017-5-27，
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孙明晓, 邝普兴, 解增旗, 刘琳琳, 马於光. 电化学聚合制备含富勒烯交联聚合物薄膜及超级电容器应用[J]. 高分子学报, 2018,(2):231-238.

Sun Ming-xiao, Kuang Pu-xing, Xie Zeng-qi, Liu Lin-lin, Ma Yu-guang. Synthesis of Cross-linked Thin Films Containing Fullerene Units and Their Performance of Supercapacitor[J]. Acta Polymerica Sinica, 2018,(2):231-238.
孙明晓, 邝普兴, 解增旗, 刘琳琳, 马於光. 电化学聚合制备含富勒烯交联聚合物薄膜及超级电容器应用[J]. 高分子学报, 2018,(2):231-238. DOI： 10.11777/j.issn1000-3304.2018.17128.

Sun Ming-xiao, Kuang Pu-xing, Xie Zeng-qi, Liu Lin-lin, Ma Yu-guang. Synthesis of Cross-linked Thin Films Containing Fullerene Units and Their Performance of Supercapacitor[J]. Acta Polymerica Sinica, 2018,(2):231-238. DOI： 10.11777/j.issn1000-3304.2018.17128.

摘要

通过

-烷基咔唑基团修饰富勒烯C

，获得了3种不同取代基数目的富勒烯衍生物2Cz-C

、4Cz-C

和6Cz-C

；3种单体具有高的电化学聚合活性，通过阳极电化学聚合得到了3种结构明确的聚合物（Poly[2Cz-C

]、Poly[4Cz-C

]和Poly[6Cz-C

]），它们同时在工作电极上沉积得到了厚度精确可控的交联薄膜，其生长速度分别为1.88、1.70和2.61 nm/圈.电化学聚合过程中沉积薄膜快速而均匀的生长，为瞬间成核、岛状生长模式，并最终形成球状堆积的交联薄膜.经循环伏安法测试表明沉积薄膜有多对氧化还原峰，具有可逆的n-型与p-型双极性掺杂特性，并表现出可逆的和快速电荷传递的氧化还原反应特性.另外这种富勒烯交联薄膜作为超级电容电极材料也表现出了相当可观的电荷储存能力.

Abstract

A series of C

derivatives functionalized by carbazole group with great electrochemical activity were designed and synthesized

via

Bingel reaction. Three monomers (2Cz-C

4Cz-C

6Cz-C

) were finally obtained with different molar ratios between C

and malonate used in Bingel reaction. The molecular structure of these monomers were fully characterized by proton nuclear magnetic resonance spectra

Matrix assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS)

Fourier transform infrared spectroscopy (FTIR)

and UV-Vis absorption. Electrochemical polymerization of these monomers were processed to form linear or cross-linked organic conducting polymer films

denoted as Poly[2Cz-C

]

Poly[4Cz-C

] and Poly[6Cz-C

]

which were attributed to the coupling of electrochemical activity group of

-alkyl carbazole. Their electrochemical polymerization was processed under three-electrode system of the electrochemical workstation (ITO or glassy carbon as working electrode

titanium plate or Pt wire as counter electrode and Ag/Ag+ as reference electrode). The chemical structures of the polymers obtained were clearly dependent on the definite electrochemical condition such as potential

electrolyte

concentration and scan rate during the polymerization. The thickness of the films obtained by the electrochemical polymerization could be controlled precisely by controlling the cycles of cyclic voltammetry (CV). The electrochemical polymerization of the polymers had the same features of instantaneous nucleation and layered growth concluded by the atomic force microscope images of the films under different CV cycles. Finally

the films show globular stacking features. After CV test

the bipolar characters (

-alkyl carbazole group as the p-doping and C

group as the n-doping)

fast and reversible redox properties of the organic conducting polymers films have been found. Then we explored the charge storage ability of the polymers as the electrode materials

which possessed considerable development potential to some extent.

关键词

富勒烯电化学聚合交联薄膜双极性掺杂特性

Keywords

FullereneElectropolymerizationCross-linked filmBipolar characters

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