Electrochemical impedance spectroscopy and in situ UV-vis spectroelectrochemistry studies of Poly(N-vinyl carbazole)/Polydimethylsiloxane composite electrodes

被引：2

作者：

Gokceoren, Argun Talat ^{[1
]}

Erbil, Candan ^{[1
]}

机构：

[1] Istanbul Tech Univ, Sci & Letters Fac, Dept Chem, TR-34469 Maslak, Ystanbul, Turkey

来源：

SURFACE AND INTERFACE ANALYSIS | 2011年 / 43卷 / 11期

关键词：

poly(N-vinylcarbazole); polydimethylsiloxane; composite electrodes; electrochemical impedance spectroscopy; UV-vis spectroelectrochemistry; CARBON NANOTUBES; CONDUCTING NANOCOMPOSITE; N-VINYLCARBAZOLE; POLYMERIZATION;

D O I：

10.1002/sia.3731

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：

Poly(N-vinyl carbazole)/polydimethylsiloxane (PNVCz/PDMS) composite electrodes were prepared by electrochemical polymerization of NVCz monomer onto PDMS-coated platinum (Pt) and glassy carbon (GC) electrode surfaces to investigate the influence of the insulating constituent, PDMS and process temperature on the capacitive performance of the coated layers. The electrochemical properties of the bilayer coatings were studied by electrochemical impedance spectroscopy and UV-vis spectroelectrochemistry measurements. The low-frequencies capacitance values of composite electrodes indicated that the capacitive behaviors of the composites decreased with increasing PDMS content (from 5.0 to 10.0; in wt/v%) in coating solutions at 25 degrees C, and with decreasing coating temperatures (from 25 degrees C to - 15 degrees C) of PDMS and PNVCz and, more resist PDMS/PNVCz layers formed. Copyright (C) 2011 John Wiley & Sons, Ltd.

引用

页码：1403 / 1411

页数：9

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