Ammonia Gas Detection under Various Humidity Conditions Using Waveguide Surface Plasmon Resonance Spectroscopy

Shinbo, Kazunari; Komai, Ryo; Honda, Hiroki; Ohdaira, Yasuo; Baba, Akira; Kato, Keizo; Kaneko, Futao

doi:10.2116/analsci.33.443

Cited by 7 publications

(2 citation statements)

References 33 publications

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“…SP excitation can be achieved by using an OWG instead of a prism, which is also known as waveguide-coupled SPR spectroscopy. [17][18][19][20][21] The waveguidebased SPR sensor is quite convenient because of its compactness and simple experimental setup. SPR spectroscopy is useful for investigating molecular adsorption and/or film thickness, but a measurement of the optical absorption property of the adsorbed media cannot be easily obtained by this method in cases of light attenuation due to SPR overlapping the absorption band of the media.…”

Section: Introductionmentioning

confidence: 99%

In-situ and simultaneous evaluation of optical absorption and deposition for phthalocyanine layer-by-layer thin films using an optical waveguide sensor utilizing surface plasmon resonance

Shinbo¹,

Lertvachirapaiboon²,

Ohdaira³

et al. 2020

Jpn. J. Appl. Phys.

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A novel optical waveguide sensor utilizing surface plasmon resonance (SPR) that enables the measurement of optical absorption and the thickness of a thin film was proposed. A BK-7 glass slide was used as a waveguide core, and an Ag/Au film of 5 mm width and transparent polymethyl methacrylate-co-methacrylic acid (PMMA-co-PMAA) were consecutively deposited to develop the sensor. The PMMA-co-PMAA film was used to control the SPR wavelength. This sensor allows us to measure the optical absorption and thickness of the deposited film using the evanescent wave from the waveguide and the SPR phenomena, respectively. In order to demonstrate this, a layer-by-layer deposit of a film of water-soluble phthalocyanine dye (Alcian blue, pyridine variant, AB) and polystyrenesulfonate was observed. Additionally, adsorptions from a mixed solution of AB and polydiallyldimethylammonium chloride were observed.

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Section: Introductionmentioning

confidence: 99%

In-situ and simultaneous evaluation of optical absorption and deposition for phthalocyanine layer-by-layer thin films using an optical waveguide sensor utilizing surface plasmon resonance

Shinbo¹,

Lertvachirapaiboon²,

Ohdaira³

et al. 2020

Jpn. J. Appl. Phys.

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show abstract

“…The sensor allows to measure a change of the refractive index (RI) with a detection limit of 3.2 -5.5 × 10 -5 RI units. Shinbo et al 12 developed a waveguide SPR sensor with dual sensing parts, and poly(acrylic acid) and poly(vinyl alcohol) were used as sensing layers for NH3 gas. The combination measurement of these layers allows highly sensitive detection of NH3 gas under various humidity conditions.…”

Section: Introductionmentioning

confidence: 99%

Separation and Detection of Hydrocarbons and Gasoline in Automotive Engine Oil Using a Teflon® AF2400-coated Golddeposited Surface Plasmon Resonance-based Glass Rod Sensor

et al. 2018

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A gold (Au)-deposited surface plasmon resonance (SPR)-based glass rod sensor that is coated with an α-mercaptoethyl-ω-methoxy polyoxyethylene (PEG thiol) layer (approximately 13 nm thick) and a Teflon AF2400 overlayer (12 μm thick) was used to detect the hydrocarbon and gasoline contents of automotive engine oil. Hydrocarbons and gasoline present in the engine oil penetrate through the porous Teflon layer and accumulate in the PEG thiol layer, and are then detected using the SPR sensor. The refractivities of the selective layers that contain a hydrocarbon on the Au-deposited glass rod sensor were estimated from the sensor responses when using light-emitting diodes (LEDs) with various operating wavelengths as light sources. Gasoline concentrations up to 10%, w/w in commercial engine oil can be measured directly using this sensor when it is coated with the selective layers. The responses of an SPR-based optical waveguide sensing system using Au films coated with identical selective layers were also measured. The results demonstrate the value of the Au-deposited SPR glass rod sensor coated with the selective layers for the detection of the gasoline content and fuel dilution of automotive engine oil.

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Ammonia gas adsorption study on graphene oxide based sensing device under different humidity conditions

Khurshid

Jeyavelan

Hussain

et al. 2020

Materials Chemistry and Physics

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Ammonia Gas Detection under Various Humidity Conditions Using Waveguide Surface Plasmon Resonance Spectroscopy

Cited by 7 publications

References 33 publications

In-situ and simultaneous evaluation of optical absorption and deposition for phthalocyanine layer-by-layer thin films using an optical waveguide sensor utilizing surface plasmon resonance

In-situ and simultaneous evaluation of optical absorption and deposition for phthalocyanine layer-by-layer thin films using an optical waveguide sensor utilizing surface plasmon resonance

Separation and Detection of Hydrocarbons and Gasoline in Automotive Engine Oil Using a Teflon® AF2400-coated Golddeposited Surface Plasmon Resonance-based Glass Rod Sensor

Ammonia gas adsorption study on graphene oxide based sensing device under different humidity conditions

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