Linear temperature microhotplate gas sensor array for automotive cabin air quality monitoring

被引：39
|
作者：
Francioso, L. [1 ]
Forleo, A. [1 ]
Taurino, A. M. [1 ]
Siciliano, R. [1 ]
Lorenzelli, L. [2 ]
Guarnieri, V. [2 ]
Adami, A. [2 ]
Agnusdei, G. [3 ]
机构：
[1] CNR, IMM, Ist Microelettr & Microsistemi, I-73100 Lecce, Italy
[2] ITC Irst, Microsyst Div, I-38050 Trento, Italy
[3] Consorzio OPTEL, Brindisi, Italy
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2008年 / 134卷 / 02期
关键词：
Gas sensor array; Cabin air quality; Microhotplates; Miniaturized temperature gradient electronic nose (MTGEN);
D O I：
10.1016/j.snb.2008.06.008
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The present work describes the experimental evaluation of an innovative gas sensor array for automotive cabin air quality applications. This integrated array presents as a main innovation aspect the simultaneous outputs, from a single chip packaged onto TO-12 socket. of eight different signals coming from a WO3 thin film structure heated in a linear temperature gradient mode, allowing an overall evaluation of gas sensing properties of metal oxide materials in a 100 degrees C-wide window, typically from 300 to 400 degrees C. Experimental results will be explained by means of PCA (principal component analysis) compounds identification for three different target gases of CO, NO2 and SO2 at different concentrations. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：660 / 665
页数：6
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