[1]胡校兵,谢祯芳,谢骥,等.水热法合成微纳米CuO及在气体传感器中的应用[J].郑州大学学报(工学版),2016,37(06):10-14.[doi:10.13705/j.issn.1671-6833.2016.03.022]
　Hu Xiaobing,Xie Zhenfang,Xie Ji,et al.Hydrothermal Synthesis of CuO Micro/Nanoparticles and Their Application in Gas Sensors[J].Journal of Zhengzhou University (Engineering Science),2016,37(06):10-14.[doi:10.13705/j.issn.1671-6833.2016.03.022]
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水热法合成微纳米CuO及在气体传感器中的应用()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
37
期数:
2016年06期
页码:
10-14
栏目:
出版日期:
2016-11-30

文章信息/Info

Title:
Hydrothermal Synthesis of CuO Micro/Nanoparticles and Their Application in Gas Sensors
作者:
胡校兵; 谢祯芳; 谢骥; 解丽丽; 朱志刚
上海第二工业大学 环境与材料工程学院,上海,201209
Author(s):
Hu Xiaobing;  Xie Zhenfang;  Xie Ji;  Xie Lili;  Zhu Zhigang
School of Environment and Materials Engineering, Shanghai Second University of Technology, Shanghai, 201209
关键词:
气体传感器; 氧化铜颗粒; 水热法; 掺杂
Keywords:
DOI:
10.13705/j.issn.1671-6833.2016.03.022
文献标志码:
A
摘要:
以硝酸铜( Cu( NO3)2)为原料,以六次甲基四胺( C6 H12 N4)为模板剂,采用水热合成法制备CuO微纳米颗粒,通过扫描电镜和X射线衍射仪对产物的组成及形貌进行表征,并将合成粉体制备成敏感膜,通过静态配气法对产物气敏性能进行研究.结果表明：在硝酸铜和六次甲基四胺的摩尔比为1∶45,水热温度为110℃的条件下,制备出粒径1~2μm大小的纺锤状氧化铜粉体,其中纺锤结构是由100 nm左右的纳米片组成.另外,纳米氧化铜对丙酮( CH3 COCH3)和硫化氢( H2 S)气体有较好的选择性,进一步掺杂0.25%~1.25%的贵金属催化剂铂(Pt)后,氧化铜对硫化氢显示出了良好的选择性,且灵敏度有一定程度的提高.
Abstract:
Micro/Nano-particles of CuO were prepared with hexamethylenetetramine template. The composi-tion and morphology of the product were characterized by SEM and X-ray diffraction. The synthetic powder was prepared as sensitive membrane, and its gas sensitivity was studied with a static gas distribution method. The results indicated that the uniform copper oxide powders was synthesized at the 110℃, and the molar ratio be-tween copper nitrate and hexamethylenetetramine was 1∶45. The spindle structure was around 1~2 μm, and was composed of 100 nm nanoplates. The sensor had better selectivity with CH3 COCH3 and H2 S. Copper ox-ide showed good selectivity to hydrogen sulfide and its sensitivity had a certain degree of improvement after fur-ther doping 0. 25% ~1. 25% noble metal catalyst Pt.

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