Effect of iodine solutions on polyaniline films

被引：22

作者：

Ayad, M. M. ^{[2
]}

Amer, W. A. ^{[2
]}

Stejskal, J. ^{[1
]}

机构：

[1] Acad Sci Czech Republic, Inst Macromol Chem, CR-16206 Prague 6, Czech Republic

[2] Tanta Univ, Fac Sci, Dept Chem, Tanta 31527, Egypt

来源：

THIN SOLID FILMS | 2009年 / 517卷 / 21期

关键词：

Polyaniline; Films; Quartz-crystal microbalance; Iodine; Sensor; IUPAC TECHNICAL REPORT; DOPED POLYANILINE; CONDUCTING POLYMER; SYNTHETIC METALS; ORGANIC POLYMERS; NOBEL LECTURE; REGIME; FORMS;

D O I：

10.1016/j.tsf.2009.03.129

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

Polyaniline (PANI) emeraldine-base films have been exposed to iodine solutions. The interaction between the films and the iodine solution was studied using the quartz-crystal microbalance (QCM) technique and the UV-visible absorption spectroscopy. The iodine-treated film of emeraldine base was subjected to dedoping process using 0.1 M ammonia solution. The resulting film was exposed again to the previously used iodine solution. Iodine was found to play multiple roles: the ring-iodination of PANI film, the oxidation of PANI to pernigraniline base, and iodine doping to PANI salt. A sensor based on PANI-coated electrode of QCM was developed to monitor the presence of iodine in solution. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：5969 / 5973

页数：5

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