Journal of Sol-Gel Science and Technology

, Volume 86, Issue 1, pp 126–134 | Cite as

Hydrogen photochromism in V2O5 layers prepared by sol–gel technology with the use of dimethylformamide as a hydrogen donor

  • Yi Wang
  • Yao Lee
  • Jiupeng Jhao
  • Alexander Gavrilyuk
Original Paper: Sol-gel and hybrid materials for catalytic, photoelectrochemical and sensor applications
  • 57 Downloads

Abstract

Here we report on the hydrogen photochromism carried out in the V2O5 xerogels with the use of dimethylformamide (DMF) as a hydrogen donor. The adsorption of DMF was carried out by an original method: DMF was adsorbed on the V2O5 surface along the formation of the xerogel from the sol containing the hydrogen donor. The mechanism of the DMF adsorption on the V2O5 xerogel surface has been discovered by Fourier transform infrared spectroscopy. DMF molecules have been bonded to the oxide surface by donor–acceptor and hydrogen bonds, which pre-determines easy detachment of hydrogen atoms under the action of light. It has been demonstrated that the pronounced hydrogen photocromism can be carried out in the V2O5 xerogels with the use of DMF. The peculiarities of the photochromism have been discussed. The spirit of the research is to provide charging of the V2O5 surface with the hydrogen donor along the formation of the oxide xerogel catalyst.

Keywords

Sol–gel technology Photochromism Photochemical hydrogen Adsorption Donor–acceptor bonding Hydrogen bonding Dimethylformamide 

Notes

Acknowledgements

We thank the National Natural Science Foundation of China (No.51572058, 51502057), the International Science and Technology Cooperation Program of China (2013DFR10630, 2015DFE52770), National Key Research and Development Program (2016YFB0303903), and the Foundation of Science and Technology on Advanced Composites in Special Environment Laboratory.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

10971_2018_4614_MOESM1_ESM.docx (20 kb)
Supplementary Material

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Yi Wang
    • 1
  • Yao Lee
    • 1
  • Jiupeng Jhao
    • 2
  • Alexander Gavrilyuk
    • 3
  1. 1.Center for Composite Materials and Structure, Harbin Institute of TechnologyHarbinChina
  2. 2.School of Chemistry and Chemical Engineering, Harbin Institute of TechnologyHarbinChina
  3. 3.A.F. Ioffe Physical Technical Institute of the Russian Academy of SciencesSaint-PetersburgRussia

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