4.4 Article

Rationally designed porous silicon as platform for optical biosensors

期刊

THIN SOLID FILMS
卷 520, 期 20, 页码 6434-6439

出版社

ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2012.06.055

关键词

Nanostructured porous silicon; Optical microcavity; Biosensors; Functionalization; Response simulation

资金

  1. ANPCyT [Prestamo BID PICT 32515, PICT 00575]
  2. Universidad Nacional del Litoral [68-343]

向作者/读者索取更多资源

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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