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
© 2017 Elsevier B.V. ZnO nanorods coated with TiO 2 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 Zn 2 TiO 4 and Zn 2 Ti 3 O 8 nanorods. The XRD results re...
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| Main Authors: | , , , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85011933871&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/46856 |
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| Institution: | Chiang Mai University |
| Summary: | © 2017 Elsevier B.V. ZnO nanorods coated with TiO 2 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 Zn 2 TiO 4 and Zn 2 Ti 3 O 8 nanorods. The XRD results revealed the presence of zinc orthotitanate (Zn 2 TiO 4 ) and zinc polytitanate (Zn 2 Ti 3 O 8 ) by calcination of the precursors with 2:1 and 2:3 mole ratios Zn:Ti. SEM and TEM analyses show TiO 2 nanoparticles coated on ZnO nanorods. Upon calcination at high temperature, TiO 2 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. |
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