Synthesis of Mn-doped CeO2 nanorods and their application as humidity sensors

被引：0
|
作者：
C H HU
C H XIA
F WANG
M ZHOU
P F YIN
X Y HAN
机构：
[1] Science College of Chongqing Jiaotong University,
来源：
Bulletin of Materials Science | 2011年 / 34卷
关键词：
Mn-doped CeO; nanorods; humidity sensitivity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Mn-doped CeO2 nanorods have been prepared from CeO2 particles through a facile composite-hydroxide-mediated (CHM) approach. The products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The analysis from the X-ray photoelectron spectroscopy indicates that the manganese doped in CeO2 exists as Mn4 + . The responses to humidity for static and dynamic testing proved doping Mn into CeO2 can improve the humidity sensitivity. For the sample with Mn% about 1·22, the resistance changes from 375·3 to 2·7MΩ as the relative humidity (RH) increases from 25 to 90%, indicating promising applications of the Mn-doped CeO2 nanorods in environmental monitoring.
引用
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页码：1033 / 1037
页数：4
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