TiO2 nanoparticles coated with porphyrin dye thin film as fluorescence gas sensor

Nurul Huda Yusoff, Muhamad Mat Salleh, Muhammad Yahaya

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This research explores the possibility of using fluorescence technique to detect the presence of volatile organic compounds based on a single sensing material. The material used was TiO2 nanoparticles coated with porphyrin dye. The TiO2 nanoparticles colloid is in a sol-gel form synthesized from titanium (IV) ethoxide in ethanol with addition of kalium chloride (KCl) as stabilizer. TiO2 nanoparticles were then coated with porphyrin dye, Manganase (III) 5,10,15,20 tetra (4-pyridyl)-21H, 23H porphine chloride tetrakis (metachloride). The coated nanoparticles were deposited on quartz substrate using self-assembly through dip coating technique. The sensing properties of the thin film toward volatile organic compounds; ethanol, acetone, cyclohexane and 2-propanol were studied using luminescence spectrometer. It was found that the thin film produced different emission spectra peaks for different volatile organic compounds (VOCs). Hence, it eases chemical identification process and potentially be use as fluorescence gas sensor.

Original languageEnglish
Pages (from-to)249-253
Number of pages5
JournalSains Malaysiana
Volume37
Issue number3
Publication statusPublished - Sep 2008

Fingerprint

Porphyrins
Chemical sensors
Volatile Organic Compounds
Coloring Agents
Fluorescence
Nanoparticles
Thin films
Chlorides
Ethanol
Quartz
Coating techniques
2-Propanol
Colloids
Acetone
Titanium
Self assembly
Sol-gels
Spectrometers
Luminescence
Substrates

Keywords

  • Fluorescence gas sensor
  • Porphyrin dye
  • Self-assembly
  • TiO nanoparticles
  • Volatile organic compounds

ASJC Scopus subject areas

  • General

Cite this

Yusoff, N. H., Mat Salleh, M., & Yahaya, M. (2008). TiO2 nanoparticles coated with porphyrin dye thin film as fluorescence gas sensor. Sains Malaysiana, 37(3), 249-253.

TiO2 nanoparticles coated with porphyrin dye thin film as fluorescence gas sensor. / Yusoff, Nurul Huda; Mat Salleh, Muhamad; Yahaya, Muhammad.

In: Sains Malaysiana, Vol. 37, No. 3, 09.2008, p. 249-253.

Research output: Contribution to journalArticle

Yusoff, NH, Mat Salleh, M & Yahaya, M 2008, 'TiO2 nanoparticles coated with porphyrin dye thin film as fluorescence gas sensor', Sains Malaysiana, vol. 37, no. 3, pp. 249-253.
Yusoff, Nurul Huda ; Mat Salleh, Muhamad ; Yahaya, Muhammad. / TiO2 nanoparticles coated with porphyrin dye thin film as fluorescence gas sensor. In: Sains Malaysiana. 2008 ; Vol. 37, No. 3. pp. 249-253.
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