Printable polythiophene gas sensor array for low-cost electronic noses

Josephine B. Chang; Vincent Liu; Vivek Subramanian; Kevin Sivula; Christine Luscombe; Amanda Murphy; Jinsong Liu; Jean M.J. Fréchet

doi:10.1063/1.2208743

Printable polythiophene gas sensor array for low-cost electronic noses

Josephine B. Chang^*, Vincent Liu, Vivek Subramanian, Kevin Sivula, Christine Luscombe, Amanda Murphy, Jinsong Liu, Jean M.J. Fréchet

^*Corresponding author for this work

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

154 Scopus citations

Abstract

A route for generating arrays of printable polythiophene-based gas sensor materials suitable for low-cost manufacturing is demonstrated. Materials with complementary sensor responses are synthesized by incorporating functional groups into the molecule, either along the polymer backbone or as end-capping groups. Using these materials as printable sensor inks, a functional, integrated gas sensor array chip is fabricated using additive deposition techniques. The sensor array shows sensitivity to a range of volatile organic compounds down to concentrations of 10 ppm. A three-terminal thin film transistor structure is used, allowing the extraction of multiple parameters that help to elucidate the mechanisms responsible for sensor response and the role of the functional groups in this response.

Original language	English (US)
Article number	014506
Journal	Journal of Applied Physics
Volume	100
Issue number	1
DOIs	https://doi.org/10.1063/1.2208743
State	Published - 2006
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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title = "Printable polythiophene gas sensor array for low-cost electronic noses",

abstract = "A route for generating arrays of printable polythiophene-based gas sensor materials suitable for low-cost manufacturing is demonstrated. Materials with complementary sensor responses are synthesized by incorporating functional groups into the molecule, either along the polymer backbone or as end-capping groups. Using these materials as printable sensor inks, a functional, integrated gas sensor array chip is fabricated using additive deposition techniques. The sensor array shows sensitivity to a range of volatile organic compounds down to concentrations of 10 ppm. A three-terminal thin film transistor structure is used, allowing the extraction of multiple parameters that help to elucidate the mechanisms responsible for sensor response and the role of the functional groups in this response.",

author = "Chang, {Josephine B.} and Vincent Liu and Vivek Subramanian and Kevin Sivula and Christine Luscombe and Amanda Murphy and Jinsong Liu and Fr{\'e}chet, {Jean M.J.}",

note = "Funding Information: This work was supported by the Director, Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, of the U.S. Department of Energy under Contract No. DE-AC03-76SF00098.",

year = "2006",

doi = "10.1063/1.2208743",

language = "English (US)",

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AU - Chang, Josephine B.

AU - Liu, Vincent

AU - Subramanian, Vivek

AU - Sivula, Kevin

AU - Luscombe, Christine

AU - Murphy, Amanda

AU - Liu, Jinsong

AU - Fréchet, Jean M.J.

N1 - Funding Information: This work was supported by the Director, Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, of the U.S. Department of Energy under Contract No. DE-AC03-76SF00098.

PY - 2006

Y1 - 2006

N2 - A route for generating arrays of printable polythiophene-based gas sensor materials suitable for low-cost manufacturing is demonstrated. Materials with complementary sensor responses are synthesized by incorporating functional groups into the molecule, either along the polymer backbone or as end-capping groups. Using these materials as printable sensor inks, a functional, integrated gas sensor array chip is fabricated using additive deposition techniques. The sensor array shows sensitivity to a range of volatile organic compounds down to concentrations of 10 ppm. A three-terminal thin film transistor structure is used, allowing the extraction of multiple parameters that help to elucidate the mechanisms responsible for sensor response and the role of the functional groups in this response.

AB - A route for generating arrays of printable polythiophene-based gas sensor materials suitable for low-cost manufacturing is demonstrated. Materials with complementary sensor responses are synthesized by incorporating functional groups into the molecule, either along the polymer backbone or as end-capping groups. Using these materials as printable sensor inks, a functional, integrated gas sensor array chip is fabricated using additive deposition techniques. The sensor array shows sensitivity to a range of volatile organic compounds down to concentrations of 10 ppm. A three-terminal thin film transistor structure is used, allowing the extraction of multiple parameters that help to elucidate the mechanisms responsible for sensor response and the role of the functional groups in this response.

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Printable polythiophene gas sensor array for low-cost electronic noses

Abstract

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