Coatings of polymers with TiO2 nanoparticles by sonochemical method

Nina Perkas, Aharon Gedanken

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

A titania film was deposited on polycarbonate and parylene-coated glass by a one-step, ultrasound-assisted procedure. The TiO2 nanoparticles formed during the hydrolysis of Ti(i-OPr)4 were thrown at the solid surface by sonochemical microjets and strongly anchored to the polymers. Polyethylene glycol and polyvinyl pyrrolidone was used to stabilize the uniform distribution of TiO2 on the polymers surface. The morphology and structure of the coated films were characterized by XRD, TEM, SEM, AFM, and Rutherford backscattering spectrometry. The hydrophilic/hydrophobic properties were evaluated by measuring the water contact angle. The photocatalytic properties of the titania-modified polymers were estimated in the photo discoloration of methylene blue dye, and high activity in its bleaching was demonstrated. The experimental results revealed a correlation between the uniformity of the nanostructured anatase titania film and its photocatalytic properties.

Original languageEnglish
Title of host publicationTechnical Proceedings of the 2011 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2011
Pages391-394
Number of pages4
StatePublished - 2011
EventNanotechnology 2011: Advanced Materials, CNTs, Particles, Films and Composites - 2011 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2011 - Boston, MA, United States
Duration: 13 Jun 201116 Jun 2011

Publication series

NameTechnical Proceedings of the 2011 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2011
Volume1

Conference

ConferenceNanotechnology 2011: Advanced Materials, CNTs, Particles, Films and Composites - 2011 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2011
Country/TerritoryUnited States
CityBoston, MA
Period13/06/1116/06/11

Keywords

  • Coating
  • Nanoparticles
  • Sonochemistry
  • Titania

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