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Title: Template synthesis of Zn<inf>2</inf>TiO<inf>4</inf> and Zn<inf>2</inf>Ti<inf>3</inf>O<inf>8</inf> nanorods by hydrothermal-calcination combined processes
Authors: Jirapong Arin
Somchai Thongtem
Anukorn Phuruangrat
Titipun Thongtem
Keywords: Engineering
Materials Science
Physics and Astronomy
Issue Date: 15-Apr-2017
Abstract: © 2017 Elsevier B.V. ZnO nanorods coated with TiO2 nanoparticles of 2:1 and 2:3 mole ratios Zn:Ti were synthesized by 120 °C and 12 h hydrothermal reaction. Upon calcination the nanocomposites at 750 °C for 5 h, they were transformed into Zn2TiO4 and Zn2Ti3O8 nanorods. The XRD results revealed the presence of zinc orthotitanate (Zn2TiO4) and zinc polytitanate (Zn2Ti3O8) by calcination of the precursors with 2:1 and 2:3 mole ratios Zn:Ti. SEM and TEM analyses show TiO2 nanoparticles coated on ZnO nanorods. Upon calcination at high temperature, TiO2 nanoparticles fused and incorporated in ZnO nanorods to form zinc orthotitanate and zinc polytitanate nanorods. Their formation mechanism was proposed and discussed in this research.
ISSN: 18734979
Appears in Collections:CMUL: Journal Articles

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