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Proceedings Paper

Molecular nanocrystals grown in sol-gel thin films for ultrabright chemical sensor applications
Author(s): V. Monnier; N. Sanz; M. Bacia; R. Pansu; A. Ibanez
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Paper Abstract

Polyaromatic dyes were used to synthesize molecular nanocrystals in sol-gel thin films for sensor applications. Fluorescence Confocal Microscopy (FCM) and Transmission Electron Microscopy (TEM) experiments showed the advantages of our nanocrystallization process compared with microcrystallization in free solutions. Indeed, we obtained well-dispersed and spherical nanocrystals with a narrow size distribution, exhibiting a good crystallinity. Time-resolved fluorescence spectroscopy allowed us to measure fluorescence lifetimes of nanocrystals in presence of molecular probes. Then, chemical sensoring properties of these molecular nanocrystals were demonstrated.

Paper Details

Date Published: 20 April 2006
PDF: 8 pages
Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 61921I (20 April 2006); doi: 10.1117/12.662949
Show Author Affiliations
V. Monnier, Lab. de Cristallographie, Univ. Joseph Fourier, Institut National Polytechnique de Grenoble, CNRS (France)
N. Sanz, Lab. de Cristallographie, Univ. Joseph Fourier, Institut National Polytechnique de Grenoble, CNRS (France)
M. Bacia, Lab. de Cristallographie, Univ. Joseph Fourier, Institut National Polytechnique de Grenoble, CNRS (France)
R. Pansu, Lab. de Photophysique et Photochimie Supramoléculaire, ENS de Cachan, CNRS (France)
A. Ibanez, Lab. de Cristallographie, Univ. Joseph Fourier, Institut National Polytechnique de Grenoble, CNRS (France)


Published in SPIE Proceedings Vol. 6192:
Organic Optoelectronics and Photonics II
Paul L. Heremans; Michele Muccini; Eric A. Meulenkamp, Editor(s)

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