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

doi:10.1166/asl.2013.4733

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 journal › Article › peer-review

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 language	English
Pages (from-to)	415-419
Number of pages	5
Journal	Advanced Science Letters
Volume	19
Issue number	2
DOIs	https://doi.org/10.1166/asl.2013.4733
Publication status	Published - Feb 2013
Externally published	Yes

All Science Journal Classification (ASJC) codes

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

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title = "Ammonia gas detection using an optically sensitive hybrid organic-inorganic multilayer nanoporous film",

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.",

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T1 - Ammonia gas detection using an optically sensitive hybrid organic-inorganic multilayer nanoporous film

AU - Yasukochi, Wataru

AU - Wang, Tao

AU - Kodaira, Suguru

AU - Korposh, Sergiy

AU - Selyanchyn, Roman

AU - Lee, Seung Woo

PY - 2013/2

Y1 - 2013/2

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AB - 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.

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

Abstract

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