Printed hydrogen sulfide gas sensor on paper substrate based on polyaniline composite

J. Sarfraz; P. Ihalainen; A. Määttänen; J. Peltonen; M. Lindén

doi:10.1016/j.tsf.2013.02.055

Printed hydrogen sulfide gas sensor on paper substrate based on polyaniline composite

J. Sarfraz^*, P. Ihalainen, A. Määttänen, J. Peltonen, M. Lindén

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

67 Citations (Scopus)

Abstract

The fabrication of a hydrogen sulfide (H₂S) sensor based on polyaniline (PANI)-metal salt (CuCl₂) composite is demonstrated. The sensing film was produced by screen printing and spray coating of the sensing material on interdigitated silver electrodes inkjet-printed on a paper substrate. The H₂S sensing functionality with respect to pH and metal salt concentration was optimized. In addition, the long term stability and humidity effects on the sensor performance were investigated. The printed chemiresistors showed more than five orders of magnitude change in resistance within 20 min of exposure of 15 ppm H₂S at room temperature. The relatively fast kinetics and large response of the sensor can be explained by the formation of Cu₂S and subsequent protonation of PANI. In addition, the relatively large roughness and porosity of the paper substrate offers an increased surface sensing area.

Original language	English
Pages (from-to)	621-628
Number of pages	8
Journal	Thin Solid Films
Volume	534
DOIs	https://doi.org/10.1016/j.tsf.2013.02.055
Publication status	Published - 2013
MoE publication type	A1 Journal article-refereed

Keywords

Polyaniline
Hydrogen sulfide
Gas sensor
Printed sensor
Paper substrate
Copper chloride
Copper sulfide

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10.1016/j.tsf.2013.02.055

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title = "Printed hydrogen sulfide gas sensor on paper substrate based on polyaniline composite",

abstract = "The fabrication of a hydrogen sulfide (H2S) sensor based on polyaniline (PANI)-metal salt (CuCl2) composite is demonstrated. The sensing film was produced by screen printing and spray coating of the sensing material on interdigitated silver electrodes inkjet-printed on a paper substrate. The H2S sensing functionality with respect to pH and metal salt concentration was optimized. In addition, the long term stability and humidity effects on the sensor performance were investigated. The printed chemiresistors showed more than five orders of magnitude change in resistance within 20 min of exposure of 15 ppm H2S at room temperature. The relatively fast kinetics and large response of the sensor can be explained by the formation of Cu2S and subsequent protonation of PANI. In addition, the relatively large roughness and porosity of the paper substrate offers an increased surface sensing area.",

keywords = "Polyaniline, Hydrogen sulfide, Gas sensor, Printed sensor, Paper substrate, Copper chloride, Copper sulfide",

author = "J. Sarfraz and P. Ihalainen and A. M{\"a}{\"a}tt{\"a}nen and J. Peltonen and M. Lind{\'e}n",

note = "Funding Information: Tekes (grant 3134/31/08 ), the European Regional Development Fund (ERDF) of the European Union , project A32103 and the Academy of Finland through the National Center of Excellence program are acknowledged for the financial support. Miriam Keppeler from the University of Ulm is acknowledged for taking the TEM images, Jukka Hassinen from the University of Turku is acknowledged for the spray coating and Dimitar Valtakari from {\AA}bo Akademi University is thanked for screen printing.",

year = "2013",

doi = "10.1016/j.tsf.2013.02.055",

language = "English",

volume = "534",

pages = "621--628",

journal = "Thin Solid Films",

issn = "0040-6090",

publisher = "Elsevier",

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T1 - Printed hydrogen sulfide gas sensor on paper substrate based on polyaniline composite

AU - Sarfraz, J.

AU - Ihalainen, P.

AU - Määttänen, A.

AU - Peltonen, J.

AU - Lindén, M.

N1 - Funding Information: Tekes (grant 3134/31/08 ), the European Regional Development Fund (ERDF) of the European Union , project A32103 and the Academy of Finland through the National Center of Excellence program are acknowledged for the financial support. Miriam Keppeler from the University of Ulm is acknowledged for taking the TEM images, Jukka Hassinen from the University of Turku is acknowledged for the spray coating and Dimitar Valtakari from Åbo Akademi University is thanked for screen printing.

PY - 2013

Y1 - 2013

N2 - The fabrication of a hydrogen sulfide (H2S) sensor based on polyaniline (PANI)-metal salt (CuCl2) composite is demonstrated. The sensing film was produced by screen printing and spray coating of the sensing material on interdigitated silver electrodes inkjet-printed on a paper substrate. The H2S sensing functionality with respect to pH and metal salt concentration was optimized. In addition, the long term stability and humidity effects on the sensor performance were investigated. The printed chemiresistors showed more than five orders of magnitude change in resistance within 20 min of exposure of 15 ppm H2S at room temperature. The relatively fast kinetics and large response of the sensor can be explained by the formation of Cu2S and subsequent protonation of PANI. In addition, the relatively large roughness and porosity of the paper substrate offers an increased surface sensing area.

AB - The fabrication of a hydrogen sulfide (H2S) sensor based on polyaniline (PANI)-metal salt (CuCl2) composite is demonstrated. The sensing film was produced by screen printing and spray coating of the sensing material on interdigitated silver electrodes inkjet-printed on a paper substrate. The H2S sensing functionality with respect to pH and metal salt concentration was optimized. In addition, the long term stability and humidity effects on the sensor performance were investigated. The printed chemiresistors showed more than five orders of magnitude change in resistance within 20 min of exposure of 15 ppm H2S at room temperature. The relatively fast kinetics and large response of the sensor can be explained by the formation of Cu2S and subsequent protonation of PANI. In addition, the relatively large roughness and porosity of the paper substrate offers an increased surface sensing area.

KW - Polyaniline

KW - Hydrogen sulfide

KW - Gas sensor

KW - Printed sensor

KW - Paper substrate

KW - Copper chloride

KW - Copper sulfide

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U2 - 10.1016/j.tsf.2013.02.055

DO - 10.1016/j.tsf.2013.02.055

M3 - Article

SN - 0040-6090

VL - 534

SP - 621

EP - 628

JO - Thin Solid Films

JF - Thin Solid Films

ER -

Printed hydrogen sulfide gas sensor on paper substrate based on polyaniline composite

Abstract

Keywords

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