Ammonia sensors based on electrospun poly(acrylic acid) fibrous membranes

Bin Ding, Masashi Kikuchi, Michiyo Yamazaki, Seimei Shiratori

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

3 Citations (Scopus)

Abstract

A novel gas sensor composed of electrospun nanofibrous membranes (FM) and quartz crystal microbalance (QCM) was successfully fabricated. The electrospun nanofibers can be deposited on the electrode of QCM by electrospinning the homogenous blend solutions of cross-linkable poly (acrylic acid) (PAA) and poly (vinyl alcohol) (PVA). Moreover, the PAA fibrous membranes with different morphology can be deposited on the electrode of QCM by electrospinning the PAA solutions with various solvent composition of H2O and ethanol. Sensing experiments were examined by measuring the resonance frequency shifts of QCM which due to the additional mass loading. The results showed that the sensing properties were mainly affected by the content of PAA component in nanofibrous membranes, morphology of the fibrous membranes, concentration of NH3, and relative humidity. Additionally, the sensitivity of FM coated QCM (FM-QCM) sensor was much higher than that of continuous films coated QCM (CF-QCM) sensor. Furthermore, the PAA FM-QCM sensors exhibited high sensitivity towards low concentration of ammonia, as low as 130 ppb at the relative humidity of 40%. The pre-sorbed water in fibrous membranes was proved to be the key factor to affect the sensitivity of FM-QCM sensors for ammonia.

Original languageEnglish
Title of host publicationProceedings of IEEE Sensors
EditorsD. Rocha, P.M. Sarro, M.J. Vellekoop
Pages685-688
Number of pages4
Volume2
Publication statusPublished - 2004
Externally publishedYes
EventIEEE Sensors 2004 - Vienna, Austria
Duration: 2004 Oct 242004 Oct 27

Other

OtherIEEE Sensors 2004
CountryAustria
CityVienna
Period04/10/2404/10/27

Fingerprint

Fibrous membranes
Quartz crystal microbalances
Acrylics
Ammonia
Acids
Sensors
Electrospinning
Atmospheric humidity
Membranes
Electrodes
Nanofibers
Chemical sensors
Alcohols
Ethanol
Chemical analysis

Keywords

  • Electrospinning
  • Gas sensors
  • Nanofibrous membranes
  • Polyacrylic acid (PAA)
  • Quartz crystal microbalance (QCM)

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

Cite this

Ding, B., Kikuchi, M., Yamazaki, M., & Shiratori, S. (2004). Ammonia sensors based on electrospun poly(acrylic acid) fibrous membranes. In D. Rocha, P. M. Sarro, & M. J. Vellekoop (Eds.), Proceedings of IEEE Sensors (Vol. 2, pp. 685-688). [T2L-F.6]

Ammonia sensors based on electrospun poly(acrylic acid) fibrous membranes. / Ding, Bin; Kikuchi, Masashi; Yamazaki, Michiyo; Shiratori, Seimei.

Proceedings of IEEE Sensors. ed. / D. Rocha; P.M. Sarro; M.J. Vellekoop. Vol. 2 2004. p. 685-688 T2L-F.6.

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

Ding, B, Kikuchi, M, Yamazaki, M & Shiratori, S 2004, Ammonia sensors based on electrospun poly(acrylic acid) fibrous membranes. in D Rocha, PM Sarro & MJ Vellekoop (eds), Proceedings of IEEE Sensors. vol. 2, T2L-F.6, pp. 685-688, IEEE Sensors 2004, Vienna, Austria, 04/10/24.
Ding B, Kikuchi M, Yamazaki M, Shiratori S. Ammonia sensors based on electrospun poly(acrylic acid) fibrous membranes. In Rocha D, Sarro PM, Vellekoop MJ, editors, Proceedings of IEEE Sensors. Vol. 2. 2004. p. 685-688. T2L-F.6
Ding, Bin ; Kikuchi, Masashi ; Yamazaki, Michiyo ; Shiratori, Seimei. / Ammonia sensors based on electrospun poly(acrylic acid) fibrous membranes. Proceedings of IEEE Sensors. editor / D. Rocha ; P.M. Sarro ; M.J. Vellekoop. Vol. 2 2004. pp. 685-688
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