Development of a piezoelectric chemical sensor using metalloporphyrins compounds as a coating material

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

Abstract

The piezoelectric quartz crystal chemical sensor was developed for volatile organic compounds (VOCs) detection. The sensing sensitivity of the devices was measured based on the small change in mass of quartz crystal. The addition of mass causes changes its natural frequency when exposing the thin film towards vapor molecules. The system sensor was used with metalloporphyrin thin films as a sensing element. Seven types of metalloporphyrin compounds have been used for deposition of the thin films. They were: 2-nitro-5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin copper (III) (CuTPPnitro), 5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin ruthinium (II) carbonyl (RuTPP), 5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin iron (III) cloride (FeTPP), 5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin manganese (III) cloride (MnTPP), 5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin cobalt (II) (CoTPP), 5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin nickel (II) (NiTPP) and 5, 10, 15, 20-tetraphenyl-21H, 23H-porphyrin zinc (ZnTPP). The LB technique has been used to form metalloporphyrin organic compounds as a thin films onto quartz crystal surface. The sensing sensitivity was studied by exposing saturated vapor of o-xylene towards LB thin films. From the result it was observed that the various responses were shown for each of the thin films towards o-xylene vapor. The physical and chemical interaction between thin films and the vapor molecule are the factors influencing the sensing sensitivity of the sensor system.

Original languageEnglish
Title of host publicationProceedings - 2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012
Pages41-43
Number of pages3
DOIs
Publication statusPublished - 2012
Event2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012 - Melaka
Duration: 23 Mar 201225 Mar 2012

Other

Other2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012
CityMelaka
Period23/3/1225/3/12

Fingerprint

Porphyrins
Chemical sensors
Thin films
Coatings
Vapors
Quartz
Xylene
Crystals
Molecules
Langmuir Blodgett films
Sensors
Volatile organic compounds
Organic compounds
Manganese
Cobalt
Natural frequencies
Zinc
Nickel
Iron
Copper

Keywords

  • chemical sensor
  • LB technique
  • metalloporphyrin
  • piezoelectric

ASJC Scopus subject areas

  • Signal Processing

Cite this

Mohamed, R., Mat Salleh, M., & Yahaya, M. (2012). Development of a piezoelectric chemical sensor using metalloporphyrins compounds as a coating material. In Proceedings - 2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012 (pp. 41-43). [6194687] https://doi.org/10.1109/CSPA.2012.6194687

Development of a piezoelectric chemical sensor using metalloporphyrins compounds as a coating material. / Mohamed, Ruziana; Mat Salleh, Muhamad; Yahaya, Muhammad.

Proceedings - 2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012. 2012. p. 41-43 6194687.

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

Mohamed, R, Mat Salleh, M & Yahaya, M 2012, Development of a piezoelectric chemical sensor using metalloporphyrins compounds as a coating material. in Proceedings - 2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012., 6194687, pp. 41-43, 2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012, Melaka, 23/3/12. https://doi.org/10.1109/CSPA.2012.6194687
Mohamed R, Mat Salleh M, Yahaya M. Development of a piezoelectric chemical sensor using metalloporphyrins compounds as a coating material. In Proceedings - 2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012. 2012. p. 41-43. 6194687 https://doi.org/10.1109/CSPA.2012.6194687
Mohamed, Ruziana ; Mat Salleh, Muhamad ; Yahaya, Muhammad. / Development of a piezoelectric chemical sensor using metalloporphyrins compounds as a coating material. Proceedings - 2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012. 2012. pp. 41-43
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