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Channelled porous TiO2 synthesized with a water-in-oil microemulsion
Australian Institute for Innovative Materials - Papers
  • Victor Malgras, University of Wollongong
  • Priyanka Jood, University of Wollongong, Rensselaer Polytechnic Institute
  • Ziqi Sun, University of Wollongong
  • S X Dou, University of Wollongong
  • Yusuke Yamauchi, National Institute For Materials Science
  • Jung Ho Kim, University of Wollongong
RIS ID
92227
Publication Date
1-1-2014
Publication Details

Malgras, V., Jood, P., Sun, Z., Dou, S. Xue., Yamauchi, Y. & Kim, J. Ho. (2014). Channelled porous TiO2 synthesized with a water-in-oil microemulsion. Chemistry: A European Journal, 20 (33), 10451-10455.

Abstract
Porous titanium dioxide synthesized with a bicontinuous surfactant template is a promising method that leads to a high active surface area electrode. The template used is based on a water/isooctane/dioctyl sodium sulfosuccinate salt together with lecithin. Several parameters were varied during the synthesis to understand and optimize channel formation mechanisms. The material is patterned in stacked conical channels, widening towards the centre of the grains. The active surface area increased by 116 % when the concentration of alkoxide precursors was decreased and increased by 241 % when the template formation temperature was decreased to 10 °C. Increasing the oil phase viscosity tends to widen the pore aperture, thus decreasing the overall active surface area. Changing the phase proportions alters the microemulsion integrity and disrupts channel formation.
Citation Information
Victor Malgras, Priyanka Jood, Ziqi Sun, S X Dou, et al.. "Channelled porous TiO2 synthesized with a water-in-oil microemulsion" (2014) p. 10451 - 10455
Available at: http://works.bepress.com/sxdou/619/