Molecular nanocrystals grown in sol-gel thin films for ultrabright chemical sensor applications

V. Monnier; N. Sanz; M. Bacia; R. Pansu; A. Ibanez

doi:10.1117/12.662949

20 April 2006 Molecular nanocrystals grown in sol-gel thin films for ultrabright chemical sensor applications

V. Monnier, N. Sanz, M. Bacia, R. Pansu, A. Ibanez

Proceedings Volume 6192, Organic Optoelectronics and Photonics II; 61921I (2006) https://doi.org/10.1117/12.662949
Event: SPIE Photonics Europe, 2006, Strasbourg, France

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.

Citation Download Citation

V. Monnier, N. Sanz, M. Bacia, R. Pansu, and A. Ibanez "Molecular nanocrystals grown in sol-gel thin films for ultrabright chemical sensor applications", Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 61921I (20 April 2006); https://doi.org/10.1117/12.662949

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