Resistive oxygen gas sensors based on Ce1-xZrxO2 nano powder prepared using new precipitation method

被引：50
作者：
Izu, N
Oh-hori, N
Itou, M
Shin, W
Matsubara, I
Murayama, N
机构：
[1] Natl Inst Adv Ind Sci & Technol AIST, Adv Mfg Res Inst, Moriyama Ku, Nagoya, Aichi 4638560, Japan
[2] Yamaha Motor Co Ltd, Iwata, Shizuoka 4388501, Japan
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2005年 / 108卷 / 1-2期
关键词：
resistive oxygen sensor; ceria; zirconia; precipitation method; nano-powder; carbon powder;
D O I：
10.1016/j.snb.2004.11.064
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Nano-sized Zr-doped ceria powders were made by new precipitation method in which conventional carbon powder is used. And, the resistive oxygen sensors based on thick film made from this nano-powder were fabricated. The particle size of Zr-doped ceria powder was 20 nm or less. Powders with Zr concentration of 0-10 mol% were single phase. The particle size of the thick film was about 100 nm. The resistance of the thick film decreased with increasing Zr until 10 mol% and the thick film with 10 mol% Zr had 1/10 times the resistance of thick film without Zr. The response time of the thick film with 10 and 20 mol% Zr was 16 and 9 ms at 1073 K, respectively. (c) 2004 Elsevier B.V. All rights reserved.
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收藏
页码：238 / 243
页数：6
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