Luminescent chemical and biological sensors based on the structural integration of an OLED excitation source with a sensing component

被引：10

作者：

Choudhury, B ^{[1
]}

Shinar, R ^{[1
]}

Shinar, J ^{[1
]}

机构：

[1] US DOE, Ames Lab, Ames, IA 50011 USA

来源：

ORGANIC LIGHT-EMITTING MATERIALS AND DEVICES VII | 2004年 / 5214卷

关键词：

organic light emitting device; OLED; photoluminescence; PL; oxygen sensor; immunosensor;

D O I：

10.1117/12.515120

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new platform for luminescent chemical and biological sensors, integrating the excitation source, an OLED, with the sensing component, is described. The utility of the platform is demonstrated for an oxygen sensor and its potential is demonstrated for antibody-antigen immunoassays. The oxygen sensor is operable in two modes, i.e., photoluminescence (PL) intensity mode and lifetime mode, where changes in the PL intensity and lifetime, respectively, are correlated with the oxygen level. In the lifetime mode, the need for sensor calibration, which remains a challenge in real-world sensing applications, is eliminated. Attributes and issues related to sensor performance, including design and stability, are discussed.

引用

页码：64 / 72

页数：9

共 31 条

[1] Endothermic energy transfer: A mechanism for generating very efficient high-energy phosphorescent emission in organic materials [J].