New optical sensors for oxygen based on phosphorescent cationic water-soluble Pd(II), Pt(II), and Rh(III) porphyrins

被引：24

作者：

Borisov, SM ^{[1
]}

Vasil'ev, VV ^{[1
]}

机构：

[1] Gertsen State Pedag Univ, St Petersburg 191186, Russia

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 2004年 / 59卷 / 02期

关键词：

D O I：

10.1023/B:JANC.0000014743.86752.80

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new material is proposed for optical sensors for molecular oxygen; the material is obtained by the introduction of Pd(II), Pt(II), and Rh(II) complexes of cationic water-soluble porphyrins into an MF-4SK ion-exchange polymer membrane. The phosphorescence of immobilized metal porphyrins is efficiently quenched by molecular oxygen both in the gas phase and in aqueous solutions. The Stern-Volmer relationships for phosphorescence quenching are linear over the entire range of oxygen concentrations. The new material exhibits good response times and high photochemical stability.

引用

页码：155 / 159

页数：5

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