低功耗In_2O_3基LPG气敏元件  

In_2O_3-based LPG gas sensor with low power consumption

作　　者：詹自力[1] 蒋登高[1] 宋文慧[1] 常剑[1] 

机构地区：[1]郑州大学化工学院,河南郑州450002

出　　处：《传感器技术》2003年第5期31-32,36,共3页Journal of Transducer Technology

摘　　要：采用In2O3超细粉体,掺杂Au和金属氧化物(SiO2,Fe2O3等),按照直热式气敏元件工艺制成珠状气敏元件,通过Al2O3 Pd的表面催化层处理,研制出功耗低于100mW(在空气中)的液化石油气(LPG)气敏元件。并分析了元件的气敏机理。The sensitive composite material was prepared by doping Au and some metal oxides such as SiO2 and Fe2O3 into In2O3 matrix material.The techniques for fabricating the directheatingtype gas sensor and a surfacemodifying process were employed to prepared liquefied petroleum gas (LPG) gas sensor with low power consumption (low 100?mW).The working mechanism of gas sensor is also analyzed.

关 键 词：三氧化二铟 低功耗 液化石油气 气敏元件 IN2O3 LPG 气体传感器 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]