Synthesis of nanoparticulate Ti-doped ZnO by solution combustion technique

Authors

  • Oratai Jongprateep Department of Materials Engineering, Faculty of Engineering, Kasetsart University and Materials Innovation Center, Faculty of Engineering, Kasetsart University
  • Pathitta Deedit Department of Materials Engineering, Faculty of Engineering, Kasetsart University
  • Rachata Puranasamriddhi Department of Materials Engineering, Faculty of Engineering, Kasetsart University
  • Kornkamon Meesombad Department of Materials Engineering, Faculty of Engineering, Kasetsart University, 50 Ngamwongwan Rd., Latyao, Chatuchack, Bangkok, Thailand

Keywords:

ZnO, TiO2, Nanoparticles, Combustion synthesis, Photocatalysis

Abstract

ZnO and TiO2 have been widely accepted as prominent photocatalysts. Enhancement of their photocatalytic activities can be achieved through particle refinement and doping. Solution combustion technique is a simple and cost-effective method capable of producing fine ceramic powders with homogeneous chemical compositions. It is, therefore, employed in this research project as the technique to synthesize nanometer-sized Ti-doped ZnO powders.

    The research also aimed at examining a relationship among doping contents, chemical composition, particle sizes, and photocatalytic performance of the synthesized powder. Compositional analysis revealed that the solubility limit of Ti in zinc oxide was within the range of 3 at% Ti. Within the solubility limit, photocatalytic activity was enhanced with the titanium doping. Reduced photocatalytic performance, however, was observed in the powders with titanium contents beyond the solubility limit. The results also indicated that doping concentration did not have a significant effect on particle size and morphology. Equiaxial particles, with the average particle sizes ranging from 46.4 to 48.4 nm, were observed from the SEM micrographs.

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Published

2018-06-27

How to Cite

[1]
O. Jongprateep, P. Deedit, R. Puranasamriddhi, and K. Meesombad, “Synthesis of nanoparticulate Ti-doped ZnO by solution combustion technique”, J Met Mater Miner, vol. 28, no. 1, Jun. 2018.

Issue

Vol. 28 No. 1 (2018)

Section

Original Research Articles

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