Optical oxygen detection based an luminescence change of metalloporphyrins immobilized in poly(isobutylmethacrylate-co-trifluoroethylmethacrylate) film

被引：42

作者：

Amao, Y ^{[1
]}

Miyashita, T

Okura, I

机构：

[1] Natl Aerosp Lab, Fluid Sci Res Ctr, Tokyo 1828522, Japan

[2] Tohoku Univ, Inst Chem React Sci, Aoba Ku, Sendai, Miyagi 9808577, Japan

[3] Tokyo Inst Technol, Dept Bioengn, Midori Ku, Yokohama, Kanagawa 2268501, Japan

来源：

ANALYTICA CHIMICA ACTA | 2000年 / 421卷 / 02期

基金：

日本科学技术振兴机构;

关键词：

optical oxygen detection; platinum octaethylporphyrin; palladium octaethylporphyrin; fluoropolymer; Stern-Volmer relationship;

D O I：

10.1016/S0003-2670(00)01048-5

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A series of fluoropolymers, poly(isobutylmethacrylate-co-trifluoroethylmethacrylate) (poly-IBMn-co-TFEMm) with different ratios of IBM and TFEM units, were synthesized and applied as an optical oxygen sensing matrix using luminescence quenching of metalloporphyrins, platinum and palladium octaethylporphyrin (PtOEP and PdOEP), by oxygen. For PtOEP in poly-IBMn-co-TFEMm films, Stern-Volmer plots exhibit considerable linearity at oxygen concentrations between 0 and 100%. For PdOEP in poly-IBMn-co-TFEMm films, however, the Stern-Volner plots exhibit considerable linearity at lower oxygen concentrations between 0 and 20.0%. These results indicate that PtOEP and PdOEP films are useful optical oxygen sensors for oxygen concentration range between 0 and 100% and between 0 and 20.0%, respectively. The K-SV values increased with increasing of TFEM unit in poly-IBMn-co-TFEMm. The response times of PtOEP and PdOEP immobilized in poly-IBM1-co-TFEM3.28 films were 5.7 and 3.0s on switching from argon to oxygen and 80.0 and 197 s on switching from oxygen to argon, respectively. This result indicates that PtOEP and PdOEP immobilized in poly-IBMn-co-TFEMm films represent a highly sensitive device for oxygen. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：167 / 174

页数：8

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