Chemically sensitive surface plasmon devices employing a self-assembled monolayer composite film

J. C. DePriest, F. Meriaudeau, P. I. Oden, T. Downey, A. Passian, A. Wig, T. L. Ferrell

Research output: Contribution to journalConference articlepeer-review

Abstract

In this paper the results of detecting volatile organic compounds (VOC) employing surface plasmon-based sensors are presented. The initial step in preparing the sensing elements herein requires depositing Au° on a quartz slide. The sensing elements are based on either (1) freshly deposited Au° or (2) growth of a self assembled monolayer composite film (SAM) on to a freshly deposited Au° surface. The desired SAM is either (1) acid terminated using ω-mercaptoundecanoic acid (MUA-COOH) or (2) Cu2+ metal ion terminated yielding ω-mercaptoundecanoic acid-Cu2+ (MUA- Cu2+). The experimental apparatus shown here measures the reflectivity of the Au° surface as a function of time at a given angle. The response of this surface plasmon device to various VOC's is correlated to the composition of the SAM film.

Original languageEnglish
Pages (from-to)772-776
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3491
DOIs
StatePublished - 1998
Externally publishedYes
EventProceedings of the 1998 International Conference on Applications of Photonic Technology, ICAPT - Ottawa, Can
Duration: Jul 29 1998Jul 31 1998

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