采用微波辅助溶胶-凝胶法制备了Mg掺杂的La0.9Y0.1Fe1-xMgxO3气敏材料,利用X射线衍射(XRD)对其晶体结构进行表征和分析.结果表明,所制备的样品为正交钙钛矿结构.气敏测试结果表明,Mg的掺入能明显改善La0.9Y0.1Fe1-xMgxO3的气敏特性,La0.9Y01Fe0.9Mg0.1O3气敏元件在工作温度为150℃时对1.0×10-6甲醛的灵敏度为4.9,且具有良好的选择性.
参考文献
| [1] | Yamazoe N;Teraoka Y .Oxidation catalysis of pervoskites relationship to bulk structure and composition[J].Catalysis Today,1990,8(02):175-199. |
| [2] | Torrance J B;Lacorre P;Asavaroengchai C et al.Simple and peroskite oxides of transition-metals:why some are metallic,while most are insulating[J].Solid-State Chemistry,1991,90:168-172. |
| [3] | Hong Guangyan.Inorganic solide chemistry[M].北京:科学出版社,2002:167. |
| [4] | Liu Xiaochuan;Ji Huiming;Gu Yanfei et al.Preparation and acetone sensitive characteristics of nana-LaFeO3 semiconductor thin films by polymerization complex method[J].Materials Science and Engineering B,2006,133(1-3):98-101. |
| [5] | Wang Yude;Sun Xiaodan;Li Yanfeng;Zhou Zhenlai;Wu Xinghui .Perovskite-type NiSnO{sub}3 used as the ethanol sensitive material[J].Solid-State Electronics,2000(11):2009-2014. |
| [6] | 杨留方,李星,赵鹤云,吴兴惠.MgFe2O4纳米复合氧化物的制备和气敏性能[J].硅酸盐学报,2004(12):1491-1495. |
| [7] | 徐涛,范维涛,林毓韬,朱忠其,赵鹤云,柳清菊.Sr掺杂LaFeO3的微波化学制备及气敏性能的研究[J].功能材料,2010(09):1631-1634. |
| [8] | Lin Yutao;Xu Tao;Zhu Zhongqi et al.Study on formaldehyde-sensing properties of Ag-LaFeO3 prepared by microwave chemical synthesis process[J].Journal of Functional Materials,2012,43(07):831-834. |
| [9] | WANG Hong-Chao,WANG Chun-Lei,ZHANG Jia-Liang,ZHAO Ming-Lei,LIU Jian,SU Wen-Bin,YIN Na,MEI Liang-Mo.Cu Doping Effect on Electrical Resistivity and Seebeck Coefficient of Perovskite-Type LaFeO_3 Ceramics[J].中国物理快报（英文版）,2009(10):155-158. |
| [10] | 徐涛,范维涛,林毓韬,赵鹤云,朱忠其,张瑾,柳清菊.钙钛矿结构LaFe1-xMgxO3纳米粉体的甲醛气敏特性研究[J].功能材料,2010(08):1299-1301,1305. |
| [11] | 张玲,胡季帆,秦宏伟,宋鹏,刘杏,黄善兴,蒋民华.Mn掺杂对La0.68Pb0.32FeO3纳米材料电阻率、气敏性能的影响[J].稀有金属材料与工程,2006(03):388-390. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%