Silicon-based surface plasmon resonance chemical sensors

被引：20

作者：

Nikitin, PI ^{[1
]}

Beloglazov, AA ^{[1
]}

Valeiko, MV ^{[1
]}

Creighton, JA ^{[1
]}

Smith, AM ^{[1
]}

Sommerdijk, NAJM ^{[1
]}

Wright, JD ^{[1
]}

机构：

[1] UNIV KENT,DEPT CHEM,CTR MAT RES,CANTERBURY CT2 7NH,KENT,ENGLAND

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1997年 / 38卷 / 1-3期

基金：

俄罗斯基础研究基金会;

关键词：

phthalocyanines; silicon; surface-enhanced Raman scattering; surface plasmon resonance;

D O I：

10.1016/S0925-4005(97)80171-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A silicon-based surface plasmon resonance (SPR) technique has been successfully applied to NO2 sensing at ppm level using devices with uncoated and phthalocyanine-coated gold films. Surface-enhanced Raman scattering (SERS) has been used as an additional data-acquisition channel capable of providing spectroscopic selectivity and amplified sensitivity. Reversible responses of both SERS and SPR-induced photosignals produced by Au-on-Si grating structures coated with thin 18-crown-6 H(2)pc phthalocyanine films are simultaneously recorded for exposures of the films to 10 ppm of NO2 in air. Possible sensing applications are discussed.

引用

页码：53 / 57

页数：5

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