Zinc titanates sintered from ZnO and TiO2 nanowires prepared by a hydrothermal process

Chuan-Feng Shih; W. M. Li; M. M. Lin; K. T. Hung

doi:10.1149/1.3005976

Zinc titanates sintered from ZnO and TiO₂ nanowires prepared by a hydrothermal process

Chuan-Feng Shih, W. M. Li, M. M. Lin, K. T. Hung

Department of Electrical Engineering

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

19 Citations (Scopus)

Abstract

The solid-state sintering behaviors of hexagonal-ZnO and anatase- TiO ₂ nanowires were investigated. ZnO and Ti O2 nanowires with high specific surface areas were synthesized by the hydrothermal method. Without additive or calcination, zinc titanates were formed with promising microwave properties at low sintering temperatures. X-ray diffraction was applied to study the starting powders and the sintered ceramics. Differential thermal analysis was performed to elucidate the thermal stability of the nanopowders. The phase transformation temperature of zinc metatitanate to zinc orthotitanate shifted downward, and the compositional stoichiometry of the equilibrium phases retained ZnO:TiO₂ 1:1 in a wide sintering temperature range. This work extends the range of applications of zinc titanates and exhibits great potential for future development of ceramics with a low sintering temperature.

Original language	English
Journal	Journal of the Electrochemical Society
Volume	156
Issue number	1
DOIs	https://doi.org/10.1149/1.3005976
Publication status	Published - 2009 Jan 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films
Electrochemistry
Materials Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1149/1.3005976

Cite this

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abstract = "The solid-state sintering behaviors of hexagonal-ZnO and anatase- TiO 2 nanowires were investigated. ZnO and Ti O2 nanowires with high specific surface areas were synthesized by the hydrothermal method. Without additive or calcination, zinc titanates were formed with promising microwave properties at low sintering temperatures. X-ray diffraction was applied to study the starting powders and the sintered ceramics. Differential thermal analysis was performed to elucidate the thermal stability of the nanopowders. The phase transformation temperature of zinc metatitanate to zinc orthotitanate shifted downward, and the compositional stoichiometry of the equilibrium phases retained ZnO:TiO2 1:1 in a wide sintering temperature range. This work extends the range of applications of zinc titanates and exhibits great potential for future development of ceramics with a low sintering temperature.",

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