[1]胡骏,葛美英,尹桂林,等.铜掺杂氧化锡的制备及其气敏性能研究[J].郑州大学学报(工学版),2016,37(03):48.[doi:10.13705/ j.issn.1671 -6833.2016.03.011]
　HU Jun,GE Meiying,YIN Guilin,et al.Copper-doped Tin Oxide：Fabrication and Gas-sensing Properties[J].Journal of Zhengzhou University (Engineering Science),2016,37(03):48.[doi:10.13705/ j.issn.1671 -6833.2016.03.011]
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铜掺杂氧化锡的制备及其气敏性能研究()
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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03期
页码:
48
栏目:
出版日期:
2016-05-10

文章信息/Info

Title:
Copper-doped Tin Oxide：Fabrication and Gas-sensing Properties
作者:
胡骏; 葛美英; 尹桂林; 何丹农; 杨帆
1.纳米技术及应用国家工程研究中心,上海200241; 2.上海交通大学材料科学与工程学院,上海200240
Author(s):
HU Jun1; GE Meiying1;  YIN Guilin1; 2; YANG Fan 2; HE Dannong1; 2
1.National Engineering Research Center for Nanotechnology , Shanghai 200241 , China; 2. School of Materials Science and En-gineering，Shanghai Jiaotong University ，Shanghai 200240，China
关键词:
水热法; 铜掺杂SnO; 硫化氢; 气敏性能
Keywords:
hydrothermal method; copper-doped SnO2;  hydrogen sulfide;  gas-sensing property
分类号:
TB383.1
DOI:
10.13705/ j.issn.1671 -6833.2016.03.011
文献标志码:
A
摘要:
利用PVP为表面活性剂,将氯化亚锡和氯化铜溶解在草酸水溶液中,通过简单温和的一步水热法,制备了铜掺杂的氧化锡,采用XRD、SEM、TEM等测试手段对材料的结构和形貌进行了表征,并使用气敏测试设备WS-30A系统研究了氯化铜的掺杂比例在0 ~20%时对材料气敏性能的影响.结果表明，适宜比例的铜掺杂二氧化锡气敏传感器对硫化氢气体具有很好的气敏响应性能,掺杂比例为10%时可以显著改善气敏元件响应时间、恢复时间、选择性和稳定性,且最佳响应温度大幅度降低,最低在18o ℃.最后,讨论了铜掺杂对氧化锡气敏性能增强的机理.
Abstract:
Cu-doped SnO was synthesized via a simple and facile oxalic acid water hydrothermal route by u-sing polyvinylpyrrolidone as surfactant and stannous chloride as well as cupric chloride dissolved in this solu-tion. The structure and morphology of the as-synthesized samples were characterized by XRD,SEM and TEMetc.And the influence of the doping ratio of copper ( 0 ~ 20% ) to gas-sensing properties were analyzed sys-tematically by using a computer-controlled measure system of WS-30A. The gas sensing results indicated thatthe appropriate proportion of Cu-doping can improve the gas-sensing properties,especially the 10%,in whichthe response time,recovery time,selectivity and durability of sensors towards to hydrogen sulfide gas improvedsignificantly,and the optimum response temperature decreased dramatically to as low as 120 ℃.Finally,themechanism of the SnO gas-sensing properties enhanced by Cu-doping was discussed.

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