Manipulating and Revealing the Roles of La and Zr Dopants into ZnTiO3 Perovskite Toward Heterogeneous Photocatalytic Degradation of Tetracycline Under Visible Light Irradiation

Chao Wei Huang, Rou An Chen, Wei Yu Chen, Van Huy Nguyen, Kun Yi Andrew Lin, Janusz Lasek

Research output: Contribution to journalArticlepeer-review

Abstract

Various ZnTiO3 perovskites replacing A and B sites by La, Zr dopants were successfully synthesized via the ultrasonic-assisted sol–gel method. Different calcination temperatures, La–Zr dopants were examined, followed by the characterization of various techniques. Cubic ZnTiO3 perovskites obtained at the calcination temperature of 700 °C, 10 mol% La-doped, and 5 mol% Zr-doped ZnTiO3 revealed high crystallinity and rod-shaped morphology, being regarded as potential photocatalysts. Among candidates, 5 mol% Zr-doped ZnTiO3 expressed much more significant improvement of photocatalytic degradation of tetracycline (up to 19.6%) than non-doped ZnTiO3, ascribing to the change of the lattice structure, the existence of oxygen vacancies, and the decrease of electron–hole recombination rate. Graphical Abstract: [Figure not available: see fulltext.].

Original languageEnglish
JournalTopics in Catalysis
DOIs
Publication statusAccepted/In press - 2022

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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