| Sm_(1-x)Zn_xFeO_3半导体材料的制备和气敏性能研究 |
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| 引用本文： | 李天应,李兵斌,谢小雪,童晓莹,黄敏建,王俊海,葛秀涛.Sm_(1-x)Zn_xFeO_3半导体材料的制备和气敏性能研究[J].滁州学院学报,2011,13(2):52-54. |
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| 作者姓名： | 李天应 李兵斌 谢小雪 童晓莹 黄敏建 王俊海 葛秀涛 |
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| 作者单位： | 滁州学院化学与生命科学系,安徽滁州,239000 |
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| 基金项目： | 滁州学院首届大学生科技创新基金项目，安徽省应用化学省级重点学科建设项目，安徽省教育厅基金项目 |
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| 摘 要： | 用化学共沉淀法制备了Sm1-xZnxFeO3(0≤x≤0.10)半导体气敏材料。对其固相组成、导电行为和气敏性能进行了研究。结果表明:该系列粉体为正交晶系钙钛矿型结构;6%Zn掺杂SmFeO3导电优于纯相;在160℃工作温度下,6%Zn掺杂微粉制作的元件对0.1%丙酮的灵敏度高达568,是相同工作条件下纯相SmFeO3元件的8.5倍,响应-恢复时间分别为4S,和4min。
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| 关 键 词： | Sm1-xZnxFeO3 钙钛矿结构 气敏材料 丙酮 |
Preparation and Gas-Sensitivity of the Semiconducting Material Sm1-xZnxFeO3 |
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| Li Tianying,Li Bingbin,Xie Xiaoxue,Tong Xiaoying,Huang Minjian,Wang Junhai,Ge Xiutao.Preparation and Gas-Sensitivity of the Semiconducting Material Sm1-xZnxFeO3[J].Journal of Chuzhou University,2011,13(2):52-54. |
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| Authors: | Li Tianying Li Bingbin Xie Xiaoxue Tong Xiaoying Huang Minjian Wang Junhai Ge Xiutao |
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| Institution: | (Department of Chemistry and Life Science,Chuzhou University,Chuzhou 239000,China) |
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| Abstract: | The semiconducting gas-sensitive material Sm1-xZnxFeO3(0≤x≤0.10) was prepared by means of chemical coprecipitation.Its phase constituents,conductivity and gas-sensitivity were studied.The results show that Sm1-xZnxFeO3(0≤x≤0.10) powder has an orthorhombic perovskite structure;that conductivity of 6%Zn blended with SmFeO3 is better than its pure phase;and that in the operating temperature 160 ℃,the sensitivity of Sm0.94Zn0.06FeO3 is 568 to 0.1% acetone(volume fraction) with the response time of 4 seconds and the recovery time of 4 minutes,which is 8.5 times more than the pure phase sensor SmFeO3 under the same conditions. |
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| Keywords: | Sm1-xZnxFeO3 perovskite structure gas-sensitive material acetone |
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