Electrochemical responses of carbon nanotubes-based films printed on polymer substances

被引：14

作者：

Tsierkezos, Nikos G. ^{[1
]}

Wetzold, Nora ^{[2
]}

Ritter, Uwe ^{[1
]}

机构：

[1] Tech Univ Ilmenau, Inst Chem & Biotech, D-98693 Ilmenau, Germany

[2] Tech Univ Chemnitz, Fak Maschinenbau, Inst Print & Medientech, D-09107 Chemnitz, Germany

来源：

IONICS | 2013年 / 19卷 / 02期

关键词：

Electrochemical impedance spectroscopy; Mass flexographic printing process; Multiwalled carbon nanotubes; Polycarbonate; Polyethylene terephthalate; ELECTROCATALYTIC PROPERTIES; ELECTRODES; BIOSENSORS; IMPEDANCE; KINETICS;

D O I：

10.1007/s11581-012-0729-5

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The electrochemical responses of novel thin films, which consist of multiwalled carbon nanotubes (MWCNTs) printed on polymer substrates, were investigated towards ferrocyanide/ferricyanide, [Fe(CN)(6)](3-/4-) redox couple in aqueous potassium chloride solutions. With this respect, MWCNT-based films were fabricated through transfer of water-dispersed MWCNTs onto the polymer substances polyethylene terephthalate (MWCNT-PET) and polycarbonate (MWCNT-PC) by means of mass flexographic printing process. For the electrochemical studies, the techniques of cyclic voltammetry and electrochemical impedance spectroscopy were employed. The findings reveal that the MWCNT-PC films exhibit better stability in solution, less oxidation overpotential, greater oxidation current density, and larger capacitance compared to MWCNT-PET films. In addition, the MWCNT-PC films provide fewer barriers for electron transfer process and faster electrode kinetics compared to MWCNT-PET films. The results are very promising and open the possibility of using mass-printing techniques for the construction of printed MWCNT-polymer films for electrochemical applications.

引用

页码：335 / 341

页数：7

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