Effect of the thickness of the gas-sensitive layer on the response of solid state electrochemical CO2 sensors

被引：18
|
作者：
Salam, F [1 ]
Bredikhin, S
Birke, P
Weppner, W
机构：
[1] Christian Albrechts Univ, Fac Engn, Dept Sensors & Solid State Ion, D-24143 Kiel, Germany
[2] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Discret, Russia
来源：
SOLID STATE IONICS | 1998年 / 110卷 / 3-4期
关键词：
chemical sensor; sensor for carbon dioxide;
D O I：
10.1016/S0167-2738(98)00133-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This paper reports the effect of the sensitive layer thickness on the response of Nasicon based electrochemical CO2 sensors. It was found that: (a) the cell voltage dependence on the thickness of the thin film Na2CO3 auxiliary electrode is well described within the theory of Schottky barriers formation in ionic crystals; and (b) sensors with relatively thick gas-sensitive layer are more reliable in dry CO2 atmosphere. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：319 / 325
页数：7
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