Towards an integrated electronic nose using conducting polymer sensors

J. V. Hatfield, P. Neaves, P. J. Hicks, K. Persaud, P. Travers

    Research output: Contribution to journalArticlepeer-review

    Abstract

    This paper describes progress that has been made towards realizing an artificial nose based on arrays of conducting polymers. Electrically conducting organic polymers based on heterocyclic molecules display reversible changes in conductivity when exposed to polar volatile chemicals. In the sensor described, the polymers are interrogated for resistance changes by means of an application-specific integrated circuit (ASIC) realized in BiCMOS technology. The ASIC and the polymer array are housed on a single thick-film ceramic substrate. © 1994.
    Original languageEnglish
    Pages (from-to)221-228
    Number of pages7
    JournalSensors and Actuators B: Chemical: international journal devoted to research and development of physical and chemical transducers
    Volume18
    Issue number1-3
    Publication statusPublished - Mar 1994

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