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Proceedings Paper

Porous silicon and diatoms micro-shells: an example of inverse biomimetic
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Paper Abstract

Porous silicon (PSi) is by far a very useful technological platform for optical monitoring of chemical and biological substances and due to its peculiar physical and morphological properties it is worldwide used in sensing experiments. On the other hand, we have discovered a natural material, the micro-shells of marine diatoms, ubiquitous unicellular algae, which are made of hydrated amorphous silica, but, most of all, show geometrical structures made of complex patterns of pores which are surprisingly similar to those of porous silicon. Moreover, under laser irradiation, this material is photoluminescent and the photoluminescence is very sensitive to the surrounding atmosphere, which means that the material can act as a transducer. Starting from our experience on PSi devices, we explore the optical and photonic properties of marine diatoms micro-shells in a sort of inverse biomimicry.

Paper Details

Date Published: 3 May 2011
PDF: 6 pages
Proc. SPIE 8068, Bioelectronics, Biomedical, and Bioinspired Systems V; and Nanotechnology V, 80680D (3 May 2011); doi: 10.1117/12.887257
Show Author Affiliations
Edoardo De Tommasi, Institute for Microelectronics and Microsystems, CNR (Italy)
Univ. of Naples Federico II (Italy)
Ilaria Rea, Institute for Microelectronics and Microsystems, CNR (Italy)
Univ. of Naples Federico II (Italy)
Ivo Rendina, Institute for Microelectronics and Microsystems, CNR (Italy)
Univ. of Naples Federico II (Italy)
Luca De Stefano, Institute for Microelectronics and Microsystems, CNR (Italy)
Univ. of Naples Federico II (Italy)


Published in SPIE Proceedings Vol. 8068:
Bioelectronics, Biomedical, and Bioinspired Systems V; and Nanotechnology V
Ángel B. Rodríguez-Vázquez; Rainer Adelung, Editor(s)

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