Humidity sensor devices using PEDOT: PSS

M. Ali Babar Abbasi, Photos Vryonides, Symeon Nikolaou

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

This paper discusses the use of PEDOT:PSS material for the implementation of two types of humidity sensor devices. The first device is a wireless humidity sensor that consists of a microstrip-fed rectangular slot antenna, loaded with one or two PEDOT:PSS blocks. The second device consists of a two port, filter, that consists of a split ring of rectangular shape, that is also loaded with a PEDOT:PSS block. PEDOT:PSS block was characterized with equivalent RC network, for three different humidity percentages, 40%, 70% and 100%. The three different RC value sets cause resonance frequency shifts in the response of the s parameter plots. The wireless sensor changes its radiating resonance and it can therefore be read by a distant interrogator, and the filter sensor presents a band pass zone shift that can be sensed with the integrated decision making system. Both sensor devices present high sensitivity, meaning that significant frequency shift and thus sensing ability is demonstrated even for small humidity variations response of the sensor devices.

Original languageEnglish
Title of host publication2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1366-1367
Number of pages2
Volume2015-October
ISBN (Electronic)9781479978151
DOIs
Publication statusPublished - 22 Oct 2015
Externally publishedYes
EventIEEE Antennas and Propagation Society International Symposium, APS 2015 - Vancouver, Canada
Duration: 19 Jul 201524 Jul 2015

Conference

ConferenceIEEE Antennas and Propagation Society International Symposium, APS 2015
Country/TerritoryCanada
CityVancouver
Period19/07/201524/07/2015

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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