A ratiometric sensor for dissolved oxygen in seawater

被引：5

作者：

Poteau, X ^{[1
]}

MacCraith, B ^{[1
]}

机构：

[1] Dublin City Univ, Natl Ctr Sensor Res, Dublin, Ireland

来源：

OPTO-IRELAND 2002: OPTICS AND PHOTONICS TECHNOLOGIES AND APPLICATIONS, PTS 1 AND 2 | 2003年 / 4876卷

关键词：

optical sensor; dissolved oxygen; seawater; fluorescence; ruthenium; ratiometric sensor;

D O I：

10.1117/12.464211

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A dissolved oxygen sensor for marine application is reported which is based on a ratiometric approach to the fluorescence intensity quenching of the ruthenium dye [Ru(II)-tris(4,7-diphenyl-1,10-phenanthroline)](2+). Both the ruthenium complex and the coumarin derivative dye have been entrapped in a porous sol-gel film. The membrane shows good optical response on exposure to low levels of dissolved oxygen in seawater. The design and limitations of such an optode membrane are discussed.

引用

页码：886 / 893

页数：8

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