Fabrication of Polyaniline-Based Gas Sensors Using Piezoelectric Inkjet and Screen Printing for the Detection of Hydrogen Sulfide

被引:94
作者
Crowley, Karl [1 ]
Morrin, Aoife [1 ]
Shepherd, Roderick L. [2 ]
Panhuis, Marc In Het [3 ]
Wallace, Gordon G. [2 ]
Smyth, Malcolm R. [1 ]
Killard, Anthony J. [1 ]
机构
[1] Dublin City Univ, Sch Chem Sci, Sensors & Separat Grp, Natl Ctr Sensor Res, Dublin 9, Ireland
[2] Univ Wollongong, ARC, Ctr Excellence Electromat Sci, Intelligent Polymer Res Inst, Fairy Meadow, NSW 2519, Australia
[3] Univ Wollongong, Soft Mat Grp, Sch Chem, Wollongong, NSW 2522, Australia
关键词
Gas sensor; hydrogen sulfide; inkjet printing; polyaniline; CONDUCTING POLYMERS; CHEMICAL SENSORS; AMMONIA SENSOR; METAL-SALTS; THIN-FILMS; COMPOSITES; EMERALDINE; ELECTRODE; SPECTRA; HAZARDS;
D O I
10.1109/JSEN.2010.2044996
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
This work describes a fully printable polyaniline-copper (II) chloride sensor for the detection of hydrogen sulfide gas. The sensing device is composed of screen printed silver interdigitated electrode (IDE) on a flexible PET substrate with inkjet printed layers of polyaniline and copper (II) chloride. The sensor is employed as a chemiresistor with changes in measured current being correlated with concentration. On exposure to hydrogen sulfide, 2.5 ppmv (parts per million by volume) is clearly detectable with a linear relationship between measured current and concentration over the 10-100 ppmv region. The detection mechanism is discussed with respect to the hydrogen sulfide response, the choice of electrode materials in addition to UV-vis and surface enhanced Raman spectroscopy (SERS) characterization.
引用
收藏
页码:1419 / 1426
页数:8
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