TiO2@ZnO nanocomposite: bifunctional material for solid phase extraction of U(VI) and Th(IV) and photocatalytic degradation of organic contaminant

Aydın F., YILMAZ E., Demirkiran G., Erbaş Z., Vurucuel M., SOYLAK M.

Journal of Radioanalytical and Nuclear Chemistry, vol.332, no.10, pp.3879-3892, 2023 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 332 Issue: 10
  • Publication Date: 2023
  • Doi Number: 10.1007/s10967-023-09082-1
  • Journal Name: Journal of Radioanalytical and Nuclear Chemistry
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Analytical Abstracts, Biotechnology Research Abstracts, CAB Abstracts, Chemical Abstracts Core, Chimica, Communication Abstracts, Food Science & Technology Abstracts, INSPEC, Metadex, Pollution Abstracts, Public Affairs Index, Veterinary Science Database, Civil Engineering Abstracts
  • Page Numbers: pp.3879-3892
  • Keywords: TiO2@ZnO nanocomposite, Uranium and thorium, Hydrothermal synthesis, Solid phase extraction, Photocatalytic degradation
  • Erciyes University Affiliated: Yes

Abstract

A bifunctional TiO2@ZnO nanorods hybrid material was synthesized via one-step hydrothermal synthesis and studied as an adsorbent for SPE of U(VI) and Th(IV) and as a photocatalyst for the photocatalytic removal of methylene blue (MB). The formation of TiO2@ZnO hybrid composite was confirmed by XRD, Raman, SEM, SEM–EDX and SEM-Mapping analysis. After determining the optimum values of the analytical parameters affecting the recovery of the analytes, the developed TiO2@ZnO hybrid NPs-SPE method was applied to natural waters with a high recovery efficiency (94–97%). The accuracy of the method was also verified by using CRM-TMDA 62.2 and TM-25.3 standards. Photocatalytic properties of the fabricated nanocomposite were investigated by degrading of MB under UV light. The results indicated that the synthesized TiO2@ZnO material can be used as a promising adsorbent/photocatalyst candidate for the adsorption of U(VI) and Th(IV) analytes in waters as well as the photocatalysis degradation of MB dyestuff.