TiO2 Surface Coating of Mn-Zn Dopped Ferrites Study

Tomáš Solný, Petr Ptacek, Jiří Másilko, Jakub Tkacz, Eva Bartoníčková, Svava Daviðsdóttir, Rajan Ambat

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This study deals with TiO2 coating of powder Mn-Zn ferrite in order to recieve photocatalytic layer on the top of these particles, forming core-shell catalyst. Powder catalysts are of great advance over the world due to the high surface area, considering the kinetics proceeds through heterogenous phase boundary catalysis. However their withdrawal from cleaning systems often requires energetically and economically demanding processes such as filtration and ultrafiltration. Since the ferrite is magnetic, the advantage of such formed core-shell photocatalyst is easibility of removing from photocatalytic decomposition system using external magnetic field. In this study the surface coating is performed, using Ti alkoxides mixtures with nanosized TiO2 particles and C and Au coating to form film layer of TiO2 on the surface of ferrite. XRD, SEM – EDS analyses are employed to study surface coating.
Original languageEnglish
JournalMaterials Science Forum
Volume3902
Issue number851
Pages (from-to)153-158
ISSN0255-5476
DOIs
Publication statusPublished - 2016

Keywords

  • Surface Coating
  • Ferrites
  • TiO2
  • Core-Shell Catalyst
  • TiO2 alkoxides

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