Journal
THIN SOLID FILMS
Volume 520, Issue 20, Pages 6434-6439Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2012.06.055
Keywords
Nanostructured porous silicon; Optical microcavity; Biosensors; Functionalization; Response simulation
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Funding
- ANPCyT [Prestamo BID PICT 32515, PICT 00575]
- Universidad Nacional del Litoral [68-343]
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Optical porous silicon multilayer structures are able to work as sensitive chemical sensors or biosensors based in their optical response. An algorithm to simulate the optical response of these multilayers was developed, considering the optical properties of the individual layers. The algorithm allows designing and customizing the porous silicon structures according to a given application. The results obtained by the simulation were experimentally verified; for this purpose different photonic structures were prepared, such as Bragg reflectors and microcavities. Some of these structures have been derivatized by the introduction of aminosilane groups on the porous silicon surface. The algorithm also permits to simulate the effects produced by a non uniform derivatization of the multilayer. (C) 2012 Elsevier B.V. All rights reserved.
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