Article
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Fabrication and Internal Functionalization of Highly Macroporous WO3 Thin Films
Version 1
: Received: 10 October 2018 / Approved: 11 October 2018 / Online: 11 October 2018 (04:10:57 CEST)
How to cite: Ojeda, M.; Gaster, C.; Harris, C. Fabrication and Internal Functionalization of Highly Macroporous WO3 Thin Films. Preprints 2018, 2018100227. https://doi.org/10.20944/preprints201810.0227.v1 Ojeda, M.; Gaster, C.; Harris, C. Fabrication and Internal Functionalization of Highly Macroporous WO3 Thin Films. Preprints 2018, 2018100227. https://doi.org/10.20944/preprints201810.0227.v1
Abstract
Highly macroporous thin films of WO3 were fabricated on transparent conductive substrates by application of a polymeric organic paste loaded with an amine/tungstate complex. After spin-coating and annealing at 550oC, the resulting yellow films are found to be comprised of channeled array of clustered nanoparticles. These channels are confirmed by scanning electron microscopy to extend through the entire length of the coating. The high porosity of the material enables the insertion of a co-catalyst into the internal structure of the film. These internally functionalized composites demonstrate good photosensitivity and stability in neutral electrolyte.
Keywords
thin films; WO3; photocatalysis
Subject
Chemistry and Materials Science, Applied Chemistry
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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