Solid State Fluorination on the Minute Scale: Synthesis of WO3-xFx with Photocatalytic Activity

Publikationstyp:
Zeitschriftenaufsatz
Metadaten:
Autoren
  • Martin Alexander Lange
  • Yascommaar Krysiak
  • Jens Hartmann
  • Georg Dewald
  • Giacomo Cerretti
  • Muhammad Nawaz Tahir
  • Martin Panthoefer
  • Bastian Barton
  • Tobias Reich
  • Wolfgang G Zeier
  • Mihail Mondeshki
  • Ute Kolb
  • Wolfgang Tremel
Autoren-URL
https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000512812800001&DestLinkType=FullRecord&DestApp=WOS_CPL
DOI
10.1002/adfm.201909051
eISSN
1616-3028
Externe Identifier
  • Clarivate Analytics Document Solution ID: KX7WQ
ISSN
1616-301X
Ausgabe der Veröffentlichung
13
Zeitschrift
ADVANCED FUNCTIONAL MATERIALS
Schlüsselwörter
  • automated diffraction tomography
  • fluorination
  • photocatalysis
  • spark plasma synthesis
  • tungsten oxyfluoride
Artikelnummer
ARTN 1909051
Datum der Veröffentlichung
2020
Status
Published
Titel
Solid State Fluorination on the Minute Scale: Synthesis of WO<sub>3-</sub><i><sub>x</sub></i>F<i><sub>x</sub></i> with Photocatalytic Activity
Sub types
  • Article
Ausgabe der Zeitschrift
30

Datenquelle: Web of Science (Lite)

Andere Metadatenquellen:
Abstract
<jats:title>Abstract</jats:title><jats:p>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 WO<jats:sub>3</jats:sub> with Teflon to the oxyfluorides WO<jats:sub>3–<jats:italic>x</jats:italic></jats:sub>F<jats:italic>x</jats:italic> on a minute (&lt;10 min) scale by spark plasma sintering, a technique that is used typically for a high‐speed consolidation of powders. Automated electron diffraction analysis reveals an orthorhombic ReO<jats:sub>3</jats:sub>‐type structure of WO<jats:sub>3–<jats:italic>x</jats:italic></jats:sub>F<jats:italic>x</jats:italic> with F atom disorder as demonstrated by <jats:sup>19</jats:sup>F magic angle spinning nuclear magnetic resonance spectroscopy. The potential of this new approach is demonstrated by the following results. i) Mixed‐ valent tungsten oxide fluorides WO<jats:sub>3–<jats:italic>x</jats:italic></jats:sub>F<jats:italic>x</jats:italic> with high F content (0 &lt; <jats:italic>x</jats:italic> &lt; 0.65) are obtained as metastable products in copious amounts within minutes. ii) The spark plasma sintering technique yields WO<jats:sub>3–<jats:italic>x</jats:italic></jats:sub>F<jats:italic>x</jats:italic> nanoparticles with high photocatalytic activity, whereas the corresponding bulk phases obtained by conventional solid‐state (ampoule) reactions have no photocatalytic activity. iii) The catalytic activity is caused by the microstructure originating from the processing by spark plasma sintering.</jats:p>
Autoren
  • Martin Alexander Lange
  • Yaşar Krysiak
  • Jens Hartmann
  • Georg Dewald
  • Giacomo Cerretti
  • Muhammad Nawaz Tahir
  • Martin Panthöfer
  • Bastian Barton
  • Tobias Reich
  • Wolfgang G Zeier
  • Mihail Mondeshki
  • Ute Kolb
  • Wolfgang Tremel
DOI
10.1002/adfm.201909051
eISSN
1616-3028
ISSN
1616-301X
Ausgabe der Veröffentlichung
13
Zeitschrift
Advanced Functional Materials
Sprache
en
Online publication date
2020
Datum der Veröffentlichung
2020
Status
Published
Herausgeber
Wiley
Herausgeber URL
http://dx.doi.org/10.1002/adfm.201909051
Datum der Datenerfassung
2023
Titel
Solid State Fluorination on the Minute Scale: Synthesis of WO<sub>3−</sub><i><sub>x</sub></i>F<i><sub>x</sub></i> with Photocatalytic Activity
Ausgabe der Zeitschrift
30

Datenquelle: Crossref

Author's licence
CC-BY-NC-ND
Autoren
  • Martin Alexander Lange
  • Yaşar Krysiak
  • Jens Hartmann
  • Georg Dewald
  • Giacomo Cerretti
  • Muhammad Nawaz Tahir
  • Martin Panthöfer
  • Bastian Barton
  • Tobias Reich
  • Wolfgang G Zeier
  • Mihail Mondeshki
  • Ute Kolb
  • Wolfgang Tremel
Hosting institution
Universitätsbibliothek Mainz
Sammlungen
  • JGU-Publikationen
Resource version
Published version
DOI
10.1002/adfm.201909051
File(s) embargoed
false
Open access
true
ISSN
1616-3028
Ausgabe der Veröffentlichung
13
Zeitschrift
Advanced Functional Materials
Schlüsselwörter
  • 540 Chemie
  • 540 Chemistry and allied sciences
Sprache
eng
Open access status
Open Access
Paginierung
1909051
Datum der Veröffentlichung
2020
Public URL
https://openscience.ub.uni-mainz.de/handle/20.500.12030/6248
Herausgeber
Wiley-VCH
Herausgeber URL
https://doi.org/10.1002/adfm.201909051
Datum der Datenerfassung
2021
Datum, an dem der Datensatz öffentlich gemacht wurde
2021
Zugang
Public
Titel
Solid state fluorination on the minute scale : synthesis of WO3−xFx with photocatalytic activity
Ausgabe der Zeitschrift
30

Files

lange_martin_alexander-solid_state_fl-20210802215704882.pdf

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