A polymer-Metglas sensor used to detect volatile organic compounds

被引：35

作者：

Baimpos, Theodoros ^{[2
,3
]}

Boutikos, Panagiotis ^{[2
]}

Nikolakis, Vladimiros ^{[3
]}

Kouzoudis, Dimitris ^{[1
]}

机构：

[1] Univ Patras, Dept Engn Sci, GR-26504 Patras, Greece

[2] Univ Patras, Dept Chem Engn, GR-26504 Patras, Greece

[3] Inst Chem Engn & High Temp Chem Proc, Fdn Res & Technol Hellas, GR-26504 Patras, Greece

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2010年 / 158卷 / 02期

关键词：

Magnetoelastic; VOC; Volatile organic compounds; BAYHYDROL; o-Xylene; p-Xylene; MAGNETOELASTIC-SENSING DEVICE; WIRELESS; GASES; ARRAY; MICROBALANCE; BIOSENSOR; COATINGS; GROWTH; CANCER; FILMS;

D O I：

10.1016/j.sna.2010.01.020

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, the commercial polymer BAYHYDROL-110 has been employed as the analyte-responsive recognition layer on a magnetoelastic sensor used to detect several volatile organic compounds. The sensor exhibits enhanced selectivity to o-xylene and p-xylene compared to six other tested volatile organic compounds as well as to humidity. The sensitivities to o-xylene and p-xylene were -0.27 and -0.19 kHz/ppm of vapor concentration in air, respectively. The sensor exhibits excellent repeatability and stability over a period of at least 75 days, and relatively quick response times (on the order of a minute), but rather low recovery times (in the range of several minutes). The sensor's sensitivity increases linearly with the mass of the polymer, but it is only slightly dependent on the sensor's length. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：249 / 253

页数：5

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