Ammonia gas detection using an optically sensitive hybrid organic-inorganic multilayer nanoporous film

Wataru Yasukochi, Tao Wang, Suguru Kodaira, Sergiy Korposh, Roman Selyanchyn, Seung Woo Lee

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this work, a highly porous nano-thin film composed of poly(diallyldimethylammonium chloride) and silica nanoparticles (SiO2 NPs) was prepared on quartz plate using the layer-by-layer (LbL) method. Subsequently, a functional porphyrin compound, tetrakis-(4-sulfophenyl)porphine (TSPP), was infused into the porous film. Exposure of the film to ammonia induced spectral changes in the absorption spectrum of TSPP, indicating that the aggregation state of TSPP was changed from J-aggregation to monomeric or H-aggregation. Moreover, the TSPP infused porous film showed a correspording sensitivity in the concentration range of 10-100 ppm ammonia, showing a limit of detection (LOD) of ca. 1 ppm.

Original languageEnglish
Pages (from-to)415-419
Number of pages5
JournalAdvanced Science Letters
Volume19
Issue number2
DOIs
Publication statusPublished - Feb 1 2013
Externally publishedYes

Fingerprint

Ammonia
Multilayer films
Multilayer
Aggregation
Agglomeration
ammonia
Gases
aggregation
gas
Porphyrin
SiO2
Porphyrins
Absorption Spectra
Silica
porphyrin
Quartz
Nanoparticles
Thin Films
Absorption spectra
absorption spectrum

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Health(social science)
  • Mathematics(all)
  • Education
  • Environmental Science(all)
  • Engineering(all)
  • Energy(all)

Cite this

Ammonia gas detection using an optically sensitive hybrid organic-inorganic multilayer nanoporous film. / Yasukochi, Wataru; Wang, Tao; Kodaira, Suguru; Korposh, Sergiy; Selyanchyn, Roman; Lee, Seung Woo.

In: Advanced Science Letters, Vol. 19, No. 2, 01.02.2013, p. 415-419.

Research output: Contribution to journalArticle

Yasukochi, Wataru ; Wang, Tao ; Kodaira, Suguru ; Korposh, Sergiy ; Selyanchyn, Roman ; Lee, Seung Woo. / Ammonia gas detection using an optically sensitive hybrid organic-inorganic multilayer nanoporous film. In: Advanced Science Letters. 2013 ; Vol. 19, No. 2. pp. 415-419.
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