Gold thickness impact on the enhancement of SERS detection in low-cost Au/Si nanosensors
Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching f...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Magno, G. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Anmerkung: |
© Springer Science+Business Media, LLC 2017 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials science - Springer US, 1966, 52(2017), 23 vom: 04. Aug., Seite 13650-13656 |
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| Übergeordnetes Werk: |
volume:52 ; year:2017 ; number:23 ; day:04 ; month:08 ; pages:13650-13656 |
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| DOI / URN: |
10.1007/s10853-017-1445-3 |
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OLC2046428293 |
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| 520 | |a Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. | ||
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10.1007/s10853-017-1445-3 doi (DE-627)OLC2046428293 (DE-He213)s10853-017-1445-3-p DE-627 ger DE-627 rakwb eng 670 VZ Magno, G. verfasserin (orcid)0000-0003-2985-1215 aut Gold thickness impact on the enhancement of SERS detection in low-cost Au/Si nanosensors 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2017 Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. Bélier, B. (orcid)0000-0003-1654-5243 aut Barbillon, G. (orcid)0000-0003-0009-7343 aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 23 vom: 04. Aug., Seite 13650-13656 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:23 day:04 month:08 pages:13650-13656 https://doi.org/10.1007/s10853-017-1445-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 23 04 08 13650-13656 |
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10.1007/s10853-017-1445-3 doi (DE-627)OLC2046428293 (DE-He213)s10853-017-1445-3-p DE-627 ger DE-627 rakwb eng 670 VZ Magno, G. verfasserin (orcid)0000-0003-2985-1215 aut Gold thickness impact on the enhancement of SERS detection in low-cost Au/Si nanosensors 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2017 Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. Bélier, B. (orcid)0000-0003-1654-5243 aut Barbillon, G. (orcid)0000-0003-0009-7343 aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 23 vom: 04. Aug., Seite 13650-13656 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:23 day:04 month:08 pages:13650-13656 https://doi.org/10.1007/s10853-017-1445-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 23 04 08 13650-13656 |
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10.1007/s10853-017-1445-3 doi (DE-627)OLC2046428293 (DE-He213)s10853-017-1445-3-p DE-627 ger DE-627 rakwb eng 670 VZ Magno, G. verfasserin (orcid)0000-0003-2985-1215 aut Gold thickness impact on the enhancement of SERS detection in low-cost Au/Si nanosensors 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2017 Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. Bélier, B. (orcid)0000-0003-1654-5243 aut Barbillon, G. (orcid)0000-0003-0009-7343 aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 23 vom: 04. Aug., Seite 13650-13656 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:23 day:04 month:08 pages:13650-13656 https://doi.org/10.1007/s10853-017-1445-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 23 04 08 13650-13656 |
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10.1007/s10853-017-1445-3 doi (DE-627)OLC2046428293 (DE-He213)s10853-017-1445-3-p DE-627 ger DE-627 rakwb eng 670 VZ Magno, G. verfasserin (orcid)0000-0003-2985-1215 aut Gold thickness impact on the enhancement of SERS detection in low-cost Au/Si nanosensors 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2017 Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. Bélier, B. (orcid)0000-0003-1654-5243 aut Barbillon, G. (orcid)0000-0003-0009-7343 aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 23 vom: 04. Aug., Seite 13650-13656 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:23 day:04 month:08 pages:13650-13656 https://doi.org/10.1007/s10853-017-1445-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 23 04 08 13650-13656 |
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10.1007/s10853-017-1445-3 doi (DE-627)OLC2046428293 (DE-He213)s10853-017-1445-3-p DE-627 ger DE-627 rakwb eng 670 VZ Magno, G. verfasserin (orcid)0000-0003-2985-1215 aut Gold thickness impact on the enhancement of SERS detection in low-cost Au/Si nanosensors 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2017 Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. Bélier, B. (orcid)0000-0003-1654-5243 aut Barbillon, G. (orcid)0000-0003-0009-7343 aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 23 vom: 04. Aug., Seite 13650-13656 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:23 day:04 month:08 pages:13650-13656 https://doi.org/10.1007/s10853-017-1445-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 23 04 08 13650-13656 |
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Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. © Springer Science+Business Media, LLC 2017 |
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Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. © Springer Science+Business Media, LLC 2017 |
| abstract_unstemmed |
Abstract In this paper, we present a study on the optimization of Au/Si surface-enhanced Raman scattering sensors for ultrasensitive chemical detection. Au/Si nanosensors are carried out at the wafer scale with a low-cost and quick fabrication method composed of an anisotropic reactive ion etching followed by an electron beam evaporation of a gold layer. For this investigation, the thickness of the gold layer varied from 10 to 50 nm, and thiophenol molecules were chosen as model molecules of which the concentration varied from $$10^{-12}$$ to $$10^{-3}$$ M. The studied optimization exploits the effect of the gold layer thickness on the detection limit of thiophenol molecules for a fixed geometry of Si nanopillar. For all the cases investigated here, detection limits between $$9\times 10^{-12}$$ and $$3\times 10^{-8}$$ M are experimentally found for the detection of thiophenol molecules with the Au/Si nanopillars. Moreover, the best detection limits are achieved with the thickest gold layer. Finally, a 3D FDTD-based numerical analysis confirmed the experimental results. © Springer Science+Business Media, LLC 2017 |
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| title_short |
Gold thickness impact on the enhancement of SERS detection in low-cost Au/Si nanosensors |
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