Silicon-based surface plasmon resonance chemical sensors

Nikitin, Petr I. and Beloglazov, A.A. and Valeiko, M.V. and Creighton, Alan and Smith, A.M. and Sommerdijk, Najm and Wright, John D. (1997) Silicon-based surface plasmon resonance chemical sensors. In: 3rd European Conference on Optical Chemical Sensors and Biosensors (EUROPT(R)ODE III), 31-3-1996, Zurich, Switzerland. (The full text of this publication is not available from this repository)

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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.

Item Type: Conference or workshop item (Paper)
Uncontrolled keywords: phthalocyanines; silicon; surface-enhanced Raman scattering; surface plasmon resonance
Subjects: Q Science
Q Science > QD Chemistry
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: M.A. Ziai
Date Deposited: 17 Apr 2009 16:59
Last Modified: 25 Jun 2014 14:01
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