Collodial TiO2 rod and dot based thin films for chemical sensors based on surface plasmon resonance

M. G. Manera; M. L. Curri; D. Cozzoli; G. Leo; L. Vasanelli; A. Agostiano; R. Rella

doi:10.1117/12.608315

1 July 2005 Collodial TiO₂ rod and dot based thin films for chemical sensors based on surface plasmon resonance

M. G. Manera, M. L. Curri, D. Cozzoli, G. Leo, L. Vasanelli, A. Agostiano, R. Rella

Proceedings Volume 5836, Smart Sensors, Actuators, and MEMS II; (2005) https://doi.org/10.1117/12.608315
Event: Microtechnologies for the New Millennium 2005, 2005, Sevilla, Spain

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.

Citation Download Citation

M. G. Manera, M. L. Curri, D. Cozzoli, G. Leo, L. Vasanelli, A. Agostiano, and R. Rella "Collodial TiO₂ rod and dot based thin films for chemical sensors based on surface plasmon resonance", Proc. SPIE 5836, Smart Sensors, Actuators, and MEMS II, (1 July 2005); https://doi.org/10.1117/12.608315

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