Fiber Optic Sensor of Ammonia Gas Using Plasmonic Extraordinary Optical Transmission
While standard surface plasmon resonance (bio) sensing, relaying on propagating surface plasmon polariton sensitivity on homogeneous metal/dielectric boundaries, represents nowadays a routine sensing technique, other alternatives, such as inverse designs with nanostructured plasmonic periodic hole a...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-04-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/23/8/4065 |
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| author | Ladislav Kalvoda Jaroslava Jakoubková Milan Burda Pavel Kwiecien Ivan Richter Jaromír Kopeček |
| author_facet | Ladislav Kalvoda Jaroslava Jakoubková Milan Burda Pavel Kwiecien Ivan Richter Jaromír Kopeček |
| author_sort | Ladislav Kalvoda |
| collection | DOAJ |
| description | While standard surface plasmon resonance (bio) sensing, relaying on propagating surface plasmon polariton sensitivity on homogeneous metal/dielectric boundaries, represents nowadays a routine sensing technique, other alternatives, such as inverse designs with nanostructured plasmonic periodic hole arrays, have been far less studied, especially in the context of gas sensing applications. Here, we present a specific application of such a plasmonic nanostructured array for ammonia gas sensing, based on a combination of fiber optics, extraordinary optical transmission (EOT) effect, and chemo-optical transducer selectively sensitive to ammonia gas. The nanostructured array of holes is drilled in a thin plasmonic gold layer by means of focused ion beam technique. The structure is covered by chemo-optical transducer layer showing selective spectral sensitivity towards gaseous ammonia. Metallic complex of 5-(4′-dialkylamino-phenylimino)-quinoline-8-one dye soaked in polydimethylsiloxane (PDMS) matrix is used in place of the transducer. Spectral transmission of the resulting structure and its changes under exposition to ammonia gas of various concentrations is then interrogated by fiber optics tools. The observed VIS-NIR EOT spectra are juxtaposed to the predictions performed by the rigorous Fourier modal method (FMM), providing useful theoretical feedback to the experimental data, and ammonia gas sensing mechanism of the whole EOT system and its parameters are discussed. |
| first_indexed | 2024-03-11T04:32:40Z |
| format | Article |
| id | doaj.art-0c0c821349fc4b8db8bb0d50da24c96e |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-11T04:32:40Z |
| publishDate | 2023-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-0c0c821349fc4b8db8bb0d50da24c96e2023-11-17T21:18:33ZengMDPI AGSensors1424-82202023-04-01238406510.3390/s23084065Fiber Optic Sensor of Ammonia Gas Using Plasmonic Extraordinary Optical TransmissionLadislav Kalvoda0Jaroslava Jakoubková1Milan Burda2Pavel Kwiecien3Ivan Richter4Jaromír Kopeček5Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Břehová 7, 115 19 Prague, Czech RepublicFaculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Břehová 7, 115 19 Prague, Czech RepublicFaculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Břehová 7, 115 19 Prague, Czech RepublicFaculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Břehová 7, 115 19 Prague, Czech RepublicFaculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Břehová 7, 115 19 Prague, Czech RepublicFZU—Institute of Physics of the Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Prague, Czech RepublicWhile standard surface plasmon resonance (bio) sensing, relaying on propagating surface plasmon polariton sensitivity on homogeneous metal/dielectric boundaries, represents nowadays a routine sensing technique, other alternatives, such as inverse designs with nanostructured plasmonic periodic hole arrays, have been far less studied, especially in the context of gas sensing applications. Here, we present a specific application of such a plasmonic nanostructured array for ammonia gas sensing, based on a combination of fiber optics, extraordinary optical transmission (EOT) effect, and chemo-optical transducer selectively sensitive to ammonia gas. The nanostructured array of holes is drilled in a thin plasmonic gold layer by means of focused ion beam technique. The structure is covered by chemo-optical transducer layer showing selective spectral sensitivity towards gaseous ammonia. Metallic complex of 5-(4′-dialkylamino-phenylimino)-quinoline-8-one dye soaked in polydimethylsiloxane (PDMS) matrix is used in place of the transducer. Spectral transmission of the resulting structure and its changes under exposition to ammonia gas of various concentrations is then interrogated by fiber optics tools. The observed VIS-NIR EOT spectra are juxtaposed to the predictions performed by the rigorous Fourier modal method (FMM), providing useful theoretical feedback to the experimental data, and ammonia gas sensing mechanism of the whole EOT system and its parameters are discussed.https://www.mdpi.com/1424-8220/23/8/4065ammonia gas sensorlocalized plasmonnanohole arrayextraordinary light transmissionFourier modal methodorganometallic complex reagent |
| spellingShingle | Ladislav Kalvoda Jaroslava Jakoubková Milan Burda Pavel Kwiecien Ivan Richter Jaromír Kopeček Fiber Optic Sensor of Ammonia Gas Using Plasmonic Extraordinary Optical Transmission Sensors ammonia gas sensor localized plasmon nanohole array extraordinary light transmission Fourier modal method organometallic complex reagent |
| title | Fiber Optic Sensor of Ammonia Gas Using Plasmonic Extraordinary Optical Transmission |
| title_full | Fiber Optic Sensor of Ammonia Gas Using Plasmonic Extraordinary Optical Transmission |
| title_fullStr | Fiber Optic Sensor of Ammonia Gas Using Plasmonic Extraordinary Optical Transmission |
| title_full_unstemmed | Fiber Optic Sensor of Ammonia Gas Using Plasmonic Extraordinary Optical Transmission |
| title_short | Fiber Optic Sensor of Ammonia Gas Using Plasmonic Extraordinary Optical Transmission |
| title_sort | fiber optic sensor of ammonia gas using plasmonic extraordinary optical transmission |
| topic | ammonia gas sensor localized plasmon nanohole array extraordinary light transmission Fourier modal method organometallic complex reagent |
| url | https://www.mdpi.com/1424-8220/23/8/4065 |
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