Influence of Sn doping on ZnO sensing properties for ethanol and acetone

详细信息	查看全文 | 推荐本文 |

• 作者：Xueda Li¹ ; ^{lixuedachina@163.com} ; Yongqin Chang ; ^{chang@ustb.edu.cn} ; Yi Long ^{shallytiger@gmail.com}
• 关键词：Sn doped ZnO ; Gas sensing property ; Ethanol ; Acetone
• 刊名：Materials Science and Engineering ; C
• 出版年：2012
• 期刊代码：63_09284931
• 类别：ms
• 出版时间：1 May, 2012
• 卷：32
• 期：4
• 页码：817-821
• 文件大小：955 K

摘要

Nanostructured pure ZnO (PZO) and Sn doped ZnO (SZO) were deposited on glass templates by chemical deposition method. Before the deposition, electrically conductive silver paste was pasted at the two ends of the glass templates as electrodes. The gas sensing properties of the nanostructured PZO and SZO were systematically investigated by our home-made system, and the results show that Sn doping decreases the response to tested gases. However, it remarkably shortens the response time and recovery time of the sensor. Both PZO and SZO show higher response to acetone than to ethanol, while the response time and recovery time of PZO and SZO to ethanol are shorter than those to acetone, which indicates that the selectivity of ZnO nanostructures to ethanol and acetone are different.