Thermal stability and phase transformation of TiO_2 nanowires at various temperatures

M.N. Asiah; M.H. Mamat; Z. Khusaimi; M.F. Achoi; S. Abdullah; M. Rusop

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Thermal stability and phase transformation of TiO_2 nanowires at various temperatures

机译：TiO_2纳米线在不同温度下的热稳定性和相变

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In this paper, we report the successful synthesis of titanium dioxide nanowires by a hydrothermal method. The precursor, TiO_2 nanopowder, was treated in a 10 M sodium hydroxide aqueous solution at 150 ℃ for 6 h, followed by annealing at 400-900 ℃. The morphology and structural properties of the nanowires were investigated. The field-emission scanning electron microscopy (FESEM) images and the X-ray diffraction (XRD) pattern showed that the nanowires transformed into an anatase structure at 500 ℃ and that the morphology of the nanowires was maintained. At 900 ℃, the nanowires transformed into a rod-like shapes with a rutile structure.

机译：在本文中，我们报道了通过水热法成功合成二氧化钛纳米线。将前驱体TiO_2纳米粉体在10 M氢氧化钠水溶液中于150℃下处理6 h，然后在400-900℃下退火。研究了纳米线的形态和结构特性。场发射扫描电子显微镜（FESEM）图像和X射线衍射（XRD）图谱表明，纳米线在500℃下转变为锐钛矿结构，并保持了纳米线的形态。在900℃时，纳米线转变为具有金红石结构的棒状。

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来源
《Microelectronic Engineering》 |2013年第8期|134-137|共4页
作者
M.N. Asiah; M.H. Mamat; Z. Khusaimi; M.F. Achoi; S. Abdullah; M. Rusop;
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作者单位

NANO-SciTech Centre, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia,Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia;

NANO-SciTech Centre, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia;

NANO-SciTech Centre, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia;

NANO-SciTech Centre, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia,Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia;

NANO-SciTech Centre, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia,Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia;

NANO-SciTech Centre, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia,NANO-ElecTronic Centre, Faculty of Electrical Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
Titanium dioxide nanowires; Hydrothermal method; Annealing effect; Anatase-rutile transformation;

机译：二氧化钛纳米线;水热法;退火效果;锐钛型金红石型转化;

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Thermal stability and phase transformation of TiO_2 nanowires at various temperatures

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