The selectivity of quartz crystal microbalance gas sensor coated with TiO2porphyrin nanocomposite thin films towards volatile organic compounds

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

Abstract

High and broad selectivity is among the important properties to fabricate a good gas sensor system. We had fabricated gas sensor by coating QCM with highly selective sensing elements. Many researches have been conducted using variety of sensing elements to fulfill these criteria and porphyrin has become among the potential candidates. This paper reports the use of Ti02-porphyrin nanocomposite as sensing element to detect ethanol, 2-propanol, acetone, cyclohexane, toluene and o-xylene vapors. Eight TiO2porphyrin nanocomposite thin films were prepared via dip coating method. The sensing sensitivity was based on the change in the fundamental frequency of the QCM. It was observed that all the thin films have good selectivity properties towards these gases. From the results, it shows that the metal centre of the porphyrins and ligand plays a key role on the selectivity of the sensor.

Original languageEnglish
Title of host publicationIEEE International Conference on Semiconductor Electronics, Proceedings, ICSE
Pages532-535
Number of pages4
DOIs
Publication statusPublished - 2008
Event2008 IEEE International Conference on Semiconductor Electronics, ICSE 2008 - Johor Bahru, Johor
Duration: 25 Nov 200827 Nov 2008

Other

Other2008 IEEE International Conference on Semiconductor Electronics, ICSE 2008
CityJohor Bahru, Johor
Period25/11/0827/11/08

Fingerprint

Volatile Organic Compounds
Nanocomposite films
Quartz crystal microbalances
Porphyrins
Chemical sensors
Volatile organic compounds
Thin films
Coatings
2-Propanol
Toluene
Propanol
Xylene
Cyclohexane
Acetone
Nanocomposites
Ethanol
Gases
Metals
Vapors
Ligands

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

The selectivity of quartz crystal microbalance gas sensor coated with TiO2porphyrin nanocomposite thin films towards volatile organic compounds. / Arshad, Syariena; Mat Salleh, Muhamad; Yahaya, Muhammad.

IEEE International Conference on Semiconductor Electronics, Proceedings, ICSE. 2008. p. 532-535 4770381.

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

Arshad, S, Mat Salleh, M & Yahaya, M 2008, The selectivity of quartz crystal microbalance gas sensor coated with TiO2porphyrin nanocomposite thin films towards volatile organic compounds. in IEEE International Conference on Semiconductor Electronics, Proceedings, ICSE., 4770381, pp. 532-535, 2008 IEEE International Conference on Semiconductor Electronics, ICSE 2008, Johor Bahru, Johor, 25/11/08. https://doi.org/10.1109/SMELEC.2008.4770381
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