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Time-resolved infrared spectroscopy as an in situ tool to study the kinetics during self-assembly of mesostructured films

Innocenzi, Plinio and Kidchob, Tongjit and Bertolo, Johnny Mio and Piccinini, Massimo and Cestelli Guidi, Mariangela and Marcelli, Augusto Claudio (2006) Time-resolved infrared spectroscopy as an in situ tool to study the kinetics during self-assembly of mesostructured films. The Journal of Physical Chemistry. B, Vol. 110 (22), p. 10837-10841. eISSN 1520-5207. Article.

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DOI: 10.1021/jp060097x

Abstract

Rapid scan time-resolved infrared spectroscopy has been used to investigate in situ the kinetics of the chemical processes involved in the formation of self-assembled mesostructured films. The experiments have been done in transmission mode on films cast on a diamond disk using an infrared microscope. Two specific materials have been studied: silica and titania mesoporous films templated by a triblock copolymer surfactant (Pluronic F-127). The time dependence of solvent evaporation and condensation of the chemical species have been clearly observed. Different stages in the film formation have been identified, which support well the general theory of self-assembly. The in situ FTIR spectroscopy using time-resolved rapid scan has proven to be a very effective tool for in situ analysis of film formation from a liquid phase.

Item Type:Article
ID Code:1259
Status:Published
Refereed:Yes
Uncontrolled Keywords:Self-assembled mesostructured films, silica and titania mesoporous films, triblock copolymer surfactant (Pluronic F-127), Fourier Transform Infrared spectroscopy
Subjects:Area 09 - Ingegneria industriale e dell'informazione > ING-IND/22 Scienza e tecnologia dei materiali
Divisions:001 Università di Sassari > 01 Dipartimenti > Architettura e pianificazione
Publisher:American Chemical Society
eISSN:1520-5207
Additional Information:Pubblicato online il 17 maggio 2006.
Deposited On:18 Aug 2009 10:04

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