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纳米结构形貌二氧化钛的制备及其气敏响应

Preparation of titanium dioxide with nanostructure and its gas-sensing behavior
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摘要 为获得高灵敏度的纳米结构感知元件，对二氧化钛的形貌调控进行了研究．结果表明，TiO2粉体经适当的水热处理可获得高比表面积的纳米TiO2形貌．SEM和XRD结果显示处理效果明显．将该形貌的纳米TiO2用于传感器原理型器件的制备，室温下对有机挥发性气氛显示出快速响应．这为高灵敏度化学传感器及其阵列的研发提供了一简便的材料制备途径。 To obtain a device with high sensitivity, morphology control of TiO2 was investigated. Results indicated that TiO2 with mushroom-like was obtained by hydrothermal treatment to TiO2 powers. The results of SEM and XRD were obviously different before and after hydrotherrnal treatment. The prototype sensor fabricated with TiO2 with mushroom-like showed rapid response to organic volatile at room temperature. This would be provided a simple approach of preparation of materials for chemical sensor and arrays.
作者 朱涛 刘爱云 张建芹 杜华太 马兴法
机构地区 山东非金属材料研究所
出处 《功能材料》 EI CAS CSCD 北大核心 2007年第A07期2672-2674,共3页 Journal of Functional Materials
关键词 TIO2 纳米结构 水热处理 化学传感 快速响应 titanium dioxide nanostructure hydrothermal treatment chemical sensor rapid response
分类号 O643 [理学—物理化学] TP212 [自动化与计算机技术—检测技术与自动化装置]
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参考文献21

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2007年 第A07期

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