Solid state fluorination on the minute scale: synthesis of WO.sub.3-x./sub.F.sub.x./sub. with photocatalytic activity

0537716 - FZÚ 2021 RIV DE eng J - Journal Article
Lange, M.A. - Krysiak, Yaşar - Hartmann, J. - Dewald, G. - Cerretti, G. - Tahir, M.N. - Panthoefer, M. - Barton, B. - Reich, T. - Zeier, W.G. - Mondeshki, M. - Kolb, U. - Tremel, W.
Solid state fluorination on the minute scale: synthesis of WO_3-xF_x with photocatalytic activity.
Advanced Functional Materials. Roč. 30, č. 13 (2020), s. 1-13, č. článku 1909051. ISSN 1616-301X. E-ISSN 1616-3028
Institutional support: RVO:68378271
Keywords : solid state fluorination * WO_3-xF_x * electron diffraction * crystal-structure * photocatalysis
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 18.808, year: 2020
Method of publishing: Open access

Solid state reactions are notoriously slow, because the rate-limiting step is diffusion of atoms or ions through reactant, intermediate, and product crystalline phases. This requires days or even weeks of high temperature treatment, consuming large amounts of energy. Metal oxides are particularly difficult to react, because they have high melting points. The study reports a high-speed solid state fluorination of WO3 with Teflon to the oxyfluorides WO3-xFx on a minute.

Permanent Link: http://hdl.handle.net/11104/0315574