Tungsten Oxide Nanowires on micro hotplates for Gas Sensing applications

被引：6

作者：

Zappa, Dario ^{[1
,2
]}

Bertuna, Angela ^{[1
,2
]}

Comini, Elisabetta ^{[1
,2
]}

Herold, Martin ^{[3
]}

Poli, Nicola ^{[1
,2
]}

Sberveglieri, Giorgio ^{[1
,2
]}

机构：

[1] Univ Brescia DII, Via Valotti 9, I-25133 Brescia, Italy

[2] CNR INO, I-25133 Brescia, Italy

[3] Ams Sensor Solut Germany GmbH, D-72770 Reutlingen, Germany

来源：

EUROSENSORS 2015 | 2015年 / 120卷

关键词：

metal oxides nanowires; micro hotplates; chemical sensing;

D O I：

10.1016/j.proeng.2015.08.663

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Tungsten oxide nanowires (NWs) were successfully deposited on the membrane of micro hotplates (ams, Germany) by a very simple and scalable thermal oxidation technique. Synthetized nanostructures were morphologically investigated by mean of a FESEM (LEO 1525) and the structure was analysed by X-Ray Diffraction and Raman Spectroscopy. Micro hotplates were mounted on standard TO packages by gold wires by electro soldering in order to fabricate a batch of sensing devices. The performances of the fabricated devices were tested towards some chemical compounds of interest (NO2, Acetone, Ethanol and CO). Firstly a temperature screening was performed, to identify the optimal working temperature in presence of each target compound. Moreover, calibration curves were obtained, and the influence of humidity was taken into account for NO2. (C) 2015 The Authors. Published by Elsevier Ltd.

引用

页码：439 / 442

页数：4

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