Investigations on the possibilities of a MISiCFET sensor system for OBD and combustion control utilizing different catalytic gate materials

被引:36
作者
Andersson, M [1 ]
Ljung, P
Mattsson, M
Löfdahl, M
Spetz, AL
机构
[1] Linkoping Univ, Dept Phys & Measurement Technol, SSENCE, SE-58183 Linkoping, Sweden
[2] Linkoping Univ, Dept Phys & Measurement Technol, Div Appl Phys, SE-58183 Linkoping, Sweden
[3] Vattenfall Utveckling AB, SE-81426 Alvkarleby, Sweden
[4] AppliedSensor, SE-58330 Linkoping, Sweden
关键词
platinum; iridium; sensor system; field effect sensors; SiC; OBD; combustion control; car exhaust; flue gases;
D O I
10.1023/B:TOCA.0000029776.18603.74
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Different catalytic materials, like Pt and It, applied as gate contacts on metal insulator silicon carbide field effect transistors MiSiCFET-facilitate the manufacture of gas sensor devices with differences in selectivity, devices which due to the chemical stability and wide band gap of SiC are suitable for high temperature applications. The combination of such devices in a sensor system, utilizing multivariate analysis/modeling, have been tested and some promising results in respect of monitoring a few typical exhaust and flue gas constituents, in the future aiming at on board diagnostics (OBD) and combustion control, have been obtained.
引用
收藏
页码:365 / 368
页数:4
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