Organotitanias: A versatile approach for band gap reduction in titania based materials

  1. Rico-Santacruz, M. 1
  2. Sepúlveda, Á.E. 2
  3. Serrano, E. 1
  4. Lalinde, E. 2
  5. Berenguer, J.R. 2
  6. García-Martínez, J. 1
  1. 1 Universitat d'Alacant
    info

    Universitat d'Alacant

    Alicante, España

    ROR https://ror.org/05t8bcz72

  2. 2 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

Journal:
Journal of Materials Chemistry C . Materials for optical, magnetic and electronic devices

ISSN: 2050-7526

Year of publication: 2014

Volume: 2

Issue: 44

Pages: 9497-9504

Type: Article

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DOI: 10.1039/C4TC01704H SCOPUS: 2-s2.0-84908258705 WoS: WOS:000344330700020 GOOGLE SCHOLAR

More publications in: Journal of Materials Chemistry C . Materials for optical, magnetic and electronic devices

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Abstract

The reduction of the band gap of titania is critically important to fully utilize its photocatalytic properties. Two main strategies, i.e. doping and partial reduction of Ti(iv), are the main alternatives available to date. Herein, we report a new synthesis strategy based on one-pot co-condensation of in situ prepared polymetallic titanium-alkoxide complexes with titanium tetrabutoxide. Using this direct reaction, it is possible to introduce organic compounds in the anatase phase, causing site distortions in the crystalline structure of the network. By using this strategy, a yellow and a black titania have been produced, with the latter showing a remarkable photocatalytic activity under visible-light. This journal is