采用溶胶-凝胶法制备了ZnO及掺杂Y2O3、La2O3、CeO2的ZnO纳米微粒.利用X射线衍射仪、透射电镜对材料的结构进行了表征.研究了不同掺杂对材料的气敏性能的影响.研究表明,在工作温度305℃时,掺入质量分数为8%的CeO2后,材料对H2S气体有很好的灵敏度和选择性及较好的响应-恢复特性.并对气敏机理进行了探讨.
参考文献
| [1] | Sakohara S;Tickanen L D;Anderson M A .Luminsc-ence properties of thin zinc oxide membranes prepared by the sol-gel technique:change in visible luminescence during firing[J].Journal of Physical Chemistry,1992,96:11086-11091. |
| [2] | Miura N.;Zhuiykov S.;Ono T.;Hasei M.;Yamazoe N. .Mixed potential type sensor using stabilized zirconia and ZnFe2O4 sensing electrode for NOx detection at high temperature[J].Sensors and Actuators, B. Chemical,2002(1/3):222-229. |
| [3] | A. P. Chatterjee;P. Mitra .Chemically deposited zinc oxide thin film gas sensor[J].Journal of Materials Science,1999(17):4225-4231. |
| [4] | 沈茹娟,贾殿赠,乔永民,王疆瑛.纳米ZnO的固相合成及其气敏特性[J].无机材料学报,2001(04):625-629. |
| [5] | Chu SY.;Chen SL.;Yan TM. .Characteristics of sol-gel synthesis of ZnO-based powders[J].Journal of Materials Science Letters,2000(4):349-352. |
| [6] | 王洪胡,于灵.一种抗干扰的H2S传感器[J].郑州轻工业学院学报,1994(z1):125-127. |
| [7] | 吉林大学化学系.催化作用基础[M].北京:科学出版社,1980:310. |
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