期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 137, 期 1, 页码 17-20出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2008.12.028
关键词
Direct current characteristics; Humidity-sensitive properties; Conductance mechanism; Nano-materials
资金
- Office of Science and Technology of Guangzhou
- Office of Education of Guangzhou
The SnO2-K2O-LiZnVO4 materials were prepared using the coprecipitation process. We examined the effects of liquid-phase (loping of potassium (K+) oil the humidity-sensitive characteristics of the nano-materials. Direct current (DC) measurements were used to investigate the mechanisms of electrical conductance of the SnO2-K2O-LiZnVO4 materials. The results demonstrated that by appropriately doping of K+ ions, a humidity-sensitive material with low resistance and moderate sensitivity could be obtained. The analysis on DC characteristics revealed a mixed electronic-ionic mechanism of electrical conductance. It was suggested that the liquid phase potassium doping at the [K] concentration of 2.5 mol% could improve the humidity-sensing performance of the nano-materials. (C) 2009 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据