Application of ionic liquid doped ionomers for organic vapor sensing

Hwall Min, Gokhan Hatipoglu, Srinivas Tadigadapa, Dean M. Tigelaar

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

2 Scopus citations


In this work we explore the use of room temperature ionic liquid doped ionomers as the sensing material for volatile organic compounds (VOCs). Pixels of a monolithic, micromachined quartz crystal resonator (μQCR) array were functionalized using a sulfonated, aromatic, high thermal stability polymer as a template which is able to contain high amount of ionic liquids (up to 200 wt %). Ionic liquid: [C4mim][BF4] (1-butyl-3- methylimidazolium tetrafluoroburate) was used as the detection material. Exposure to VOCs results in mass loading and changes in the viscoelastic properties of the ionomer and manifests as changes in the frequency and phase of the quartz resonators.

Original languageEnglish (US)
Title of host publicationIEEE SENSORS 2012 - Proceedings
StatePublished - 2012
Event11th IEEE SENSORS 2012 Conference - Taipei, Taiwan, Province of China
Duration: Oct 28 2012Oct 31 2012

Publication series

NameProceedings of IEEE Sensors


Other11th IEEE SENSORS 2012 Conference
Country/TerritoryTaiwan, Province of China

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


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