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Simulation of surface-modified porous silicon photonic crystals for biosensing applications
KTH, School of Electrical Engineering (EES), Microsystem Technology.
2012 (English)In: Photonics and Nanostructures - Fundamentals and Applications, ISSN 1569-4410, Vol. 10, no 3, 304-311 p.Article in journal (Refereed) Published
Abstract [en]

In this work realistic biosensing structures based on the integration of porous silicon photonic crystals with polymer coating technology are presented. Microcavities and rugate filters are chosen as the photonic crystal configuration. The deposition of a polymer layer on the pore walls of these structures is proposed to improve the selectivity and sensitivity of the sensing function. A complete effective refractive index model including the polymer layer, the target and external effects like silicon oxidation has been developed in order to accurately simulate the structures. It is expected that the proposed structures could be used as low cost, highly integrated and highly sensitive biological sensors.

Place, publisher, year, edition, pages
2012. Vol. 10, no 3, 304-311 p.
Keyword [en]
Porous silicon, Microcavity, Rugate filter, Biosensor, Polymer
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-99429DOI: 10.1016/j.photonics.2011.04.014ISI: 000305877700011ScopusID: 2-s2.0-84861196462OAI: diva2:542136
EU, European Research Council, 257401
QC 20120730Available from: 2012-07-30 Created: 2012-07-30 Last updated: 2012-07-30Bibliographically approved

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Hill, Daniel
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Electrical Engineering, Electronic Engineering, Information Engineering

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