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Proceedings Paper

Collodial TiO2 rod and dot based thin films for chemical sensors based on surface plasmon resonance
Author(s): M. G. Manera; M. L. Curri; D. Cozzoli; G. Leo; L. Vasanelli; A. Agostiano; R. Rella
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Paper Abstract

TiO2 dot and rod shaped colloidal nanocrystals (NCs) prepared by an hydrolytic colloidal route and capped with different surfactants have been spin coated onto gold substrates and onto quartz slides. Morphological, structural and optical characterization of the colloidal NCs and the thin films has been performed by means of Atomic Force Microscopy (AFM), X-ray Diffraction (XRD) and UV-VIS spectroscopy. Surface Plasmon Resonance (SPR) has been used as optical transduction method to test the sensing ability of the prepared films for alcohols vapours detection as a function of NC shape, capping molecule and thermal treatment.

Paper Details

Date Published: 1 July 2005
PDF: 8 pages
Proc. SPIE 5836, Smart Sensors, Actuators, and MEMS II, (1 July 2005); doi: 10.1117/12.608315
Show Author Affiliations
M. G. Manera, Istituto per la Microelettronica e i Microsistemi, CNR (Italy)
Univ. di Lecce (Italy)
M. L. Curri, Istituto per i Processi Chimico Fisici CNR (Italy)
D. Cozzoli, Univ. di Bari (Italy)
G. Leo, Istituto per lo Studio dei Materiali Nanostrutturati CNR (Italy)
L. Vasanelli, Univ. di Lecce (Italy)
A. Agostiano, Istituto per i Processi Chimico Fisici CNR (Italy)
Univ. di Bari (Italy)
R. Rella, Istituto per la Microelettronica e i Microsistemi, CNR (Italy)


Published in SPIE Proceedings Vol. 5836:
Smart Sensors, Actuators, and MEMS II
Carles Cane; Jung-Chih Chiao; Fernando Vidal Verdu, Editor(s)

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