Low-cost hydrogen sulfide gas sensor on paper substrates: Fabrication and demonstration

Jawad Sarfraz; Daniel Tobjork; Ronald Osterbacka; Mika Linden

doi:10.1109/JSEN.2011.2181498

Low-cost hydrogen sulfide gas sensor on paper substrates: Fabrication and demonstration

Jawad Sarfraz^*, Daniel Tobjork, Ronald Osterbacka, Mika Linden

^*Corresponding author for this work

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

39 Citations (Scopus)

Abstract

Drop-cast deprotonated emeraldine base (poly)aniline (PANI)copper chloride films on paper substrates containing ink-jet printed silver electrodes have been prepared and are shown to be promising low-cost gas-sensors for H ₂S at room temperature. These films showed large changes in the conductivity (three to four orders of magnitude) upon exposure to low concentrations of H ₂S (10 ppm) due to the formation of CuS and concurrent protonation of PANI. This large response of the sensor can be explained by the relatively large roughness and porosity of this paper substrate. Furthermore, the minimum resistances are low enough to allow light emitting diode lamps to be switched on using a low-voltage battery, thus serving as a proof-of-concept for mass-produced H ₂S-sensors for, for example, the food packaging industry.

Original language	English
Article number	6112168
Pages (from-to)	1973-1978
Number of pages	6
Journal	IEEE Sensors Journal
Volume	12
Issue number	6
DOIs	https://doi.org/10.1109/JSEN.2011.2181498
Publication status	Published - 2012
MoE publication type	A1 Journal article-refereed

Keywords

Gas sensor
hydrogen sulfide
paper substrate
polyaniline
sensor demonstration

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10.1109/JSEN.2011.2181498

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title = "Low-cost hydrogen sulfide gas sensor on paper substrates: Fabrication and demonstration",

abstract = "Drop-cast deprotonated emeraldine base (poly)aniline (PANI)copper chloride films on paper substrates containing ink-jet printed silver electrodes have been prepared and are shown to be promising low-cost gas-sensors for H 2S at room temperature. These films showed large changes in the conductivity (three to four orders of magnitude) upon exposure to low concentrations of H 2S (10 ppm) due to the formation of CuS and concurrent protonation of PANI. This large response of the sensor can be explained by the relatively large roughness and porosity of this paper substrate. Furthermore, the minimum resistances are low enough to allow light emitting diode lamps to be switched on using a low-voltage battery, thus serving as a proof-of-concept for mass-produced H 2S-sensors for, for example, the food packaging industry.",

keywords = "Gas sensor, hydrogen sulfide, paper substrate, polyaniline, sensor demonstration",

author = "Jawad Sarfraz and Daniel Tobjork and Ronald Osterbacka and Mika Linden",

note = "Funding Information: Manuscript received November 10, 2011; revised December 12, 2011; accepted December 18, 2011. Date of publication December 23, 2011; date of current version April 25, 2012. This work was supported in part by the Flex-Sense Project, Tekes under Grant 3134/31/08, the European Regional Development Fund in South Finland and the Academy of Finland through the National Center of Excellence Program are acknowledged for financial support. The associate editor coordinating the review of this paper and approving it for publication was Prof. E. H. Yang. Copyright: Copyright 2012 Elsevier B.V., All rights reserved.",

year = "2012",

doi = "10.1109/JSEN.2011.2181498",

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AU - Sarfraz, Jawad

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AU - Linden, Mika

N1 - Funding Information: Manuscript received November 10, 2011; revised December 12, 2011; accepted December 18, 2011. Date of publication December 23, 2011; date of current version April 25, 2012. This work was supported in part by the Flex-Sense Project, Tekes under Grant 3134/31/08, the European Regional Development Fund in South Finland and the Academy of Finland through the National Center of Excellence Program are acknowledged for financial support. The associate editor coordinating the review of this paper and approving it for publication was Prof. E. H. Yang. Copyright: Copyright 2012 Elsevier B.V., All rights reserved.

PY - 2012

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N2 - Drop-cast deprotonated emeraldine base (poly)aniline (PANI)copper chloride films on paper substrates containing ink-jet printed silver electrodes have been prepared and are shown to be promising low-cost gas-sensors for H 2S at room temperature. These films showed large changes in the conductivity (three to four orders of magnitude) upon exposure to low concentrations of H 2S (10 ppm) due to the formation of CuS and concurrent protonation of PANI. This large response of the sensor can be explained by the relatively large roughness and porosity of this paper substrate. Furthermore, the minimum resistances are low enough to allow light emitting diode lamps to be switched on using a low-voltage battery, thus serving as a proof-of-concept for mass-produced H 2S-sensors for, for example, the food packaging industry.

AB - Drop-cast deprotonated emeraldine base (poly)aniline (PANI)copper chloride films on paper substrates containing ink-jet printed silver electrodes have been prepared and are shown to be promising low-cost gas-sensors for H 2S at room temperature. These films showed large changes in the conductivity (three to four orders of magnitude) upon exposure to low concentrations of H 2S (10 ppm) due to the formation of CuS and concurrent protonation of PANI. This large response of the sensor can be explained by the relatively large roughness and porosity of this paper substrate. Furthermore, the minimum resistances are low enough to allow light emitting diode lamps to be switched on using a low-voltage battery, thus serving as a proof-of-concept for mass-produced H 2S-sensors for, for example, the food packaging industry.

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Low-cost hydrogen sulfide gas sensor on paper substrates: Fabrication and demonstration

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