期刊
CERAMICS INTERNATIONAL
卷 38, 期 -, 页码 S657-S660出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2011.05.129
关键词
Films; Milling; Sensors; SnO2
The CO2 sensitivity of a La-doped SnO2 thick film was characterized with variation of the La2O3 content up to 4.5 mol%. Effects of mechanical milling of SnO2 powders on the CO2 sensitivity of a SnO2 thick film sensor were also studied. When exposed to 1000 ppm of CO2, the sensitivity of a SnO2 thick film sensor was improved from 1.14 to 1.52 with increasing the La2O3 doping concentration from 0 mol% to 2.2 mol%. Enhanced sensitivities of 1.45-1.51 were obtained for the thick film sensors processed with mechanically milled SnO2 powders. (C) 2011 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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