A low temperature nano-structured SrTiO3 thick film oxygen gas sensor

被引：49
|
作者：
Hu, Y
Tan, OK
Cao, W
Zhu, W
机构：
[1] Nanyang Technol Univ, Sch EEE, Ctr Microelect, Sensors & Actuators Lab, Singapore 639798, Singapore
[2] Singapore Inst Mfg Technol, Singapore 638075, Singapore
来源：
CERAMICS INTERNATIONAL | 2004年 / 30卷 / 07期
关键词：
SrTiO3 nano-sized powders; low temperature; oxygen gas sensors;
D O I：
10.1016/j.ceramint.2003.12.068
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A low temperature nano-structured Strontium Titanate (SrTiO3) thick film oxygen gas sensors were obtained by high-energy ball milling technique and thick-film screen-printing technique. SrTiO3 nano-sized powders of around 20 nm were produced from commercial SrTiO3 and synthesized SrTiO3. The material micro-structural properties and sensor oxygen sensing properties were characterized using X-ray diffraction (XRD) and gas sensing measurements respectively. Experimental results show that the sensing property of the synthesized SrTiO3 sensors with an annealing temperature of 400degreesC is much better than the commercial SrTiO3 sensors (both milled and not milled materials). Especially, their optimal operating temperature of around 40degreesC is the lowest reported value for such metal oxide semiconductor gas sensors ever achieved. (C) 2004 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：1819 / 1822
页数：4
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