Dopamine TiO2 hybrid thin films prepared by the liquid phase deposition method

David Gutiérrez-Tauste, Xavier Domènech, Concepción Domingo, José A. Ayllón

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32 Citations (Scopus)

Abstract

Liquid phase deposition method is applied to one-step production of a hybrid material composed by dopamine(DA) and TiO2 anatase. An optimized amount of the enediol derivative is added to a fluoride titania precursor aqueous solution in order to entrap this modifier within the growing TiO2, yielding a DA/TiO2 nanocomposite material. Uniform, well-adhered and brown-colored thin films are deposited on indium tin oxide covered glass substrate. The DA/TiO2 hybrid material has been characterized by infrared spectroscopy, electronic microscopy, X-ray diffraction and UV-vis spectroscopy. The formation of the hybrid material seems to be reasonably explained by linkage of different TiO2 nanocrystallites taking advantage of both enediol and amine groups of DA. © 2007 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)3831-3835
JournalThin Solid Films
Volume516
Issue number12
DOIs
Publication statusPublished - 30 Apr 2008

Keywords

  • Coatings
  • Dopamine
  • Hybrid nanocomposite
  • Liquid phase deposition (LPD)
  • Low-temperature deposition process
  • One-step deposition process
  • Titanium oxide

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