Optical ozone detection by use of polyaniline film

被引：16
|
作者：
Ando, M
Swart, C
Pringsheim, E
Mirsky, VM
Wolfbeis, OS
机构：
[1] Natl Inst Adv Ind Sci & Technol, AIST, Photon Res Inst, Kansai Ctr, Ikeda, Osaka 5638577, Japan
[2] Univ Regensburg, Inst Analyt Chem Chemo & Biosensors, D-93040 Regensburg, Germany
来源：
SOLID STATE IONICS | 2002年 / 152卷
关键词：
optical ozone detection; polyaniline film; visible near-IR absorption;
D O I：
10.1016/S0167-2738(02)00338-7
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：
We report on the optical ozone sensitivity of a polyaniline (PANT) film prepared on the inner wall of a polystyrene cuvette by chemical oxidation of aniline from aqueous solution. The PANT film showed changes of optical absorbance in the presence of 50-100 ppm ozone in air at room temperature. The absorbance change was largest at wavelengths in the range of 500-800 nm. The absorbance changes brought about by ozone was partially reversible after removal of ozone from the atmosphere. These results suggest that PANT is a potential material for optical ozone detection. (C) 2002 Elsevier Science B.V All rights reserved.
引用
收藏
页码：819 / 822
页数：4
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