Band-gap expansion of tungsten oxide quantum dots synthesized in sub-nano porous silica.

@article{Watanabe2013BandgapEO,
  title={Band-gap expansion of tungsten oxide quantum dots synthesized in sub-nano porous silica.},
  author={Hiroto Watanabe and Kenji Fujikata and Yuya Oaki and Hiroaki Imai},
  journal={Chemical communications},
  year={2013},
  volume={49 76},
  pages={
          8477-9
        }
}
The band-gap energy tuning of WO3 quantum dots was realized in the range of 2.6 eV (bulk) to 3.7 eV (sub-nano) by precise size control around one nanometer. Newly synthesized sub-nanoporous silicas act as excellent templates. In addition, single-electron reduction of oxygen under UV irradiation is now achievable with WO3. 
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