Hybrid polymer-porous silicon photonic crystals for optical sensing

Year: 2009

Authors: De Stefano L., Rotiroti L., De Tommasi E., Rea I., Rendina I., Canciello M., Maglio G., Palumbo R.

Autors Affiliation: Institute for Microelectronic and Microsystems, National Research Council, Unit of Naples, Via P. Castellino 111, 80131 Naples, Italy;
Department of Chemistry, “Federico II” University of Naples, Via Cinthia, 4-80126 Naples, Italy

Abstract: Porous silicon based one-dimensional photonic crystals, such as Bragg mirror and optical microcavity, has been modified by infiltration of a new biocompatible polymer, an amino functionalized poly(epsilon-caprolactone) (PCL-NH(2)), and characterized as optical biochemical sensors. The entrapped polymer adds strong chemical stability to the nanocrystalline matrix on exposure to alkaline solutions preserving the device sensing abilities in monitoring volatile substances and chemical compounds. On the basis of these results, these hybrid structures can be proposed as a high performance platform for biochemical applications. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3177344]

Journal/Review: JOURNAL OF APPLIED PHYSICS

Volume: 106 (2)      Pages from: 023109  to: 023109

KeyWords: Porous Silicon; Polymers; Biosensing
DOI: 10.1063/1.3177344

ImpactFactor: 2.072
Citations: 35
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