Twinned Zn2TiO4 spinel nanowires using ZnO nanowires as a template

Yi Yang; Xiao Wei Sun; Beng Kang Tay; Jian Xiong Wang; Zhi Li Dong; Hai Ming Fan

doi:10.1002/adma.200700299

Twinned Zn₂TiO₄ spinel nanowires using ZnO nanowires as a template

Yi Yang^*, Xiao Wei Sun, Beng Kang Tay, Jian Xiong Wang, Zhi Li Dong, Hai Ming Fan

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

77 Citations (Scopus)

Abstract

A three-step method to synthesize ternary twinned Zn₂TiO ₄ nanowires, using the ZnO nanowires as a template, is presented. The ZnO nanowires used as template are firstly coated with amorphous Ti to form a ZnO/Ti core/shell structure, followed by annealing at 800°C for 8 h. The sputtering condition has been optimized to yield a maximum quantity of nanowires with this desired Ti/Zn ratio. The final product is (111)-twined Zn ₂TiO₄ nanowires growing along (111) direction. The formation of the twinned structure involves a solid-state reaction between Ti and the ZnO single crystal, where formation of twinning reduces the system energy. The synthesis could be further developed for controlled synthesis of ternary nanostructures.

Original language	English
Pages (from-to)	1839-1844
Number of pages	6
Journal	Advanced Materials
Volume	19
Issue number	14
DOIs	https://doi.org/10.1002/adma.200700299
Publication status	Published - Jul 16 2007
Externally published	Yes

ASJC Scopus Subject Areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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title = "Twinned Zn2TiO4 spinel nanowires using ZnO nanowires as a template",

abstract = "A three-step method to synthesize ternary twinned Zn2TiO 4 nanowires, using the ZnO nanowires as a template, is presented. The ZnO nanowires used as template are firstly coated with amorphous Ti to form a ZnO/Ti core/shell structure, followed by annealing at 800°C for 8 h. The sputtering condition has been optimized to yield a maximum quantity of nanowires with this desired Ti/Zn ratio. The final product is (111)-twined Zn 2TiO4 nanowires growing along (111) direction. The formation of the twinned structure involves a solid-state reaction between Ti and the ZnO single crystal, where formation of twinning reduces the system energy. The synthesis could be further developed for controlled synthesis of ternary nanostructures.",

author = "Yi Yang and Sun, {Xiao Wei} and Tay, {Beng Kang} and Wang, {Jian Xiong} and Dong, {Zhi Li} and Fan, {Hai Ming}",

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T1 - Twinned Zn2TiO4 spinel nanowires using ZnO nanowires as a template

AU - Yang, Yi

AU - Sun, Xiao Wei

AU - Tay, Beng Kang

AU - Wang, Jian Xiong

AU - Dong, Zhi Li

AU - Fan, Hai Ming

PY - 2007/7/16

Y1 - 2007/7/16

N2 - A three-step method to synthesize ternary twinned Zn2TiO 4 nanowires, using the ZnO nanowires as a template, is presented. The ZnO nanowires used as template are firstly coated with amorphous Ti to form a ZnO/Ti core/shell structure, followed by annealing at 800°C for 8 h. The sputtering condition has been optimized to yield a maximum quantity of nanowires with this desired Ti/Zn ratio. The final product is (111)-twined Zn 2TiO4 nanowires growing along (111) direction. The formation of the twinned structure involves a solid-state reaction between Ti and the ZnO single crystal, where formation of twinning reduces the system energy. The synthesis could be further developed for controlled synthesis of ternary nanostructures.

AB - A three-step method to synthesize ternary twinned Zn2TiO 4 nanowires, using the ZnO nanowires as a template, is presented. The ZnO nanowires used as template are firstly coated with amorphous Ti to form a ZnO/Ti core/shell structure, followed by annealing at 800°C for 8 h. The sputtering condition has been optimized to yield a maximum quantity of nanowires with this desired Ti/Zn ratio. The final product is (111)-twined Zn 2TiO4 nanowires growing along (111) direction. The formation of the twinned structure involves a solid-state reaction between Ti and the ZnO single crystal, where formation of twinning reduces the system energy. The synthesis could be further developed for controlled synthesis of ternary nanostructures.

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Twinned Zn₂TiO₄ spinel nanowires using ZnO nanowires as a template

Abstract

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