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Deposition of photocatalytically active TiO2 films by inkjet printing of TiO2 nanoparticle suspensions obtained from microwave-assisted hydrothermal synthesis

(2012) NANOTECHNOLOGY. 23(16).
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Abstract
In this paper, we present an inkjet printing approach suited for the deposition of photocatalytically active, transparent titanium oxide coatings from an aqueous, colloidal suspension. We used a bottom-up approach in which a microwave-assisted hydrothermal treatment of titanium propoxide aqueous solutions in the presence of ethylenediaminetetraacetic acid and triethanolamine was used to create suspensions containing titania nanoparticles. Different inkjet printing set-ups, electromagnetic and piezoelectric driven, were tested to deposit the inks on glass substrates. The presence of preformed titania nanoparticles was expected to make it possible to reduce the heating temperature necessary to obtain the functionality of photocatalysis which can widen the application range of the approach to heat-sensitive substrates. We investigated the crystallinity and size of the obtained nanoparticles by electron microscopy and dynamic light scattering. The rheological properties of the suspensions were evaluated against the relevant criteria for inkjet printing and the jettability was analyzed. The photocatalytic activity of the obtained layers was analyzed by following the decomposition of a methylene blue solution under UV illumination. The influence of the heat treatment temperature on the film roughness, thickness and photocatalytic activity was studied. Good photocatalytic performance was achieved for heat treatments at temperatures as low as 150 degrees C, introducing the possibility of using this approach for heat-sensitive substrates.
Keywords
THIN-FILMS, CEO2 BUFFER LAYERS, TITANIUM-DIOXIDE, OPTICAL-CONSTANTS, AQUEOUS-SOLUTIONS, GEL METHOD, THICKNESS, NANORODS, DEGRADATION, PARTICLES

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Chicago
Arin, Melis, Petra Lommens, Simon C Hopkins, Glenn Pollefeyt, Johan Van der Eycken, Susagna Ricart, Xavier Granados, Bartek A Glowacki, and Isabel Van Driessche. 2012. “Deposition of Photocatalytically Active TiO2 Films by Inkjet Printing of TiO2 Nanoparticle Suspensions Obtained from Microwave-assisted Hydrothermal Synthesis.” Nanotechnology 23 (16).
APA
Arin, M., Lommens, P., Hopkins, S. C., Pollefeyt, G., Van der Eycken, J., Ricart, S., Granados, X., et al. (2012). Deposition of photocatalytically active TiO2 films by inkjet printing of TiO2 nanoparticle suspensions obtained from microwave-assisted hydrothermal synthesis. NANOTECHNOLOGY, 23(16).
Vancouver
1.
Arin M, Lommens P, Hopkins SC, Pollefeyt G, Van der Eycken J, Ricart S, et al. Deposition of photocatalytically active TiO2 films by inkjet printing of TiO2 nanoparticle suspensions obtained from microwave-assisted hydrothermal synthesis. NANOTECHNOLOGY. 2012;23(16).
MLA
Arin, Melis, Petra Lommens, Simon C Hopkins, et al. “Deposition of Photocatalytically Active TiO2 Films by Inkjet Printing of TiO2 Nanoparticle Suspensions Obtained from Microwave-assisted Hydrothermal Synthesis.” NANOTECHNOLOGY 23.16 (2012): n. pag. Print.
@article{2091508,
  abstract     = {In this paper, we present an inkjet printing approach suited for the deposition of photocatalytically active, transparent titanium oxide coatings from an aqueous, colloidal suspension. We used a bottom-up approach in which a microwave-assisted hydrothermal treatment of titanium propoxide aqueous solutions in the presence of ethylenediaminetetraacetic acid and triethanolamine was used to create suspensions containing titania nanoparticles. Different inkjet printing set-ups, electromagnetic and piezoelectric driven, were tested to deposit the inks on glass substrates. The presence of preformed titania nanoparticles was expected to make it possible to reduce the heating temperature necessary to obtain the functionality of photocatalysis which can widen the application range of the approach to heat-sensitive substrates. We investigated the crystallinity and size of the obtained nanoparticles by electron microscopy and dynamic light scattering. The rheological properties of the suspensions were evaluated against the relevant criteria for inkjet printing and the jettability was analyzed. The photocatalytic activity of the obtained layers was analyzed by following the decomposition of a methylene blue solution under UV illumination. The influence of the heat treatment temperature on the film roughness, thickness and photocatalytic activity was studied. Good photocatalytic performance was achieved for heat treatments at temperatures as low as 150 degrees C, introducing the possibility of using this approach for heat-sensitive substrates.},
  articleno    = {165603},
  author       = {Arin, Melis and Lommens, Petra and Hopkins, Simon C and Pollefeyt, Glenn and Van der Eycken, Johan and Ricart, Susagna and Granados, Xavier and Glowacki, Bartek A and Van Driessche, Isabel},
  issn         = {0957-4484},
  journal      = {NANOTECHNOLOGY},
  keyword      = {THIN-FILMS,CEO2 BUFFER LAYERS,TITANIUM-DIOXIDE,OPTICAL-CONSTANTS,AQUEOUS-SOLUTIONS,GEL METHOD,THICKNESS,NANORODS,DEGRADATION,PARTICLES},
  language     = {eng},
  number       = {16},
  pages        = {10},
  title        = {Deposition of photocatalytically active TiO2 films by inkjet printing of TiO2 nanoparticle suspensions obtained from microwave-assisted hydrothermal synthesis},
  url          = {http://dx.doi.org/10.1088/0957-4484/23/16/165603},
  volume       = {23},
  year         = {2012},
}

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