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Wang J, Jia Z, Lv C. Enhanced Raman scattering in porous silicon grating. OPTICS EXPRESS 2018; 26:6507-6518. [PMID: 29609339 DOI: 10.1364/oe.26.006507] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 02/23/2018] [Indexed: 05/24/2023]
Abstract
The enhancement of Raman signal on monocrystalline silicon gratings with varying groove depths and on porous silicon grating were studied for a highly sensitive surface enhanced Raman scattering (SERS) response. In the experiment conducted, porous silicon gratings were fabricated. Silver nanoparticles (Ag NPs) were then deposited on the porous silicon grating to enhance the Raman signal of the detective objects. Results show that the enhancement of Raman signal on silicon grating improved when groove depth increased. The enhanced performance of Raman signal on porous silicon grating was also further improved. The Rhodamine SERS response based on Ag NPs/ porous silicon grating substrates was enhanced relative to the SERS response on Ag NPs/ porous silicon substrates. Ag NPs / porous silicon grating SERS substrate system achieved a highly sensitive SERS response due to the coupling of various Raman enhancement factors.
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Stetsenko MO, Maksimenko LS, Rudenko SP, Krishchenko IM, Korchovyi AA, Kryvyi SB, Kaganovich EB, Serdega BK. Surface Plasmon's Dispersion Properties of Porous Gold Films. NANOSCALE RESEARCH LETTERS 2016; 11:116. [PMID: 26925864 PMCID: PMC4771662 DOI: 10.1186/s11671-016-1327-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 02/10/2016] [Indexed: 05/31/2023]
Abstract
Nanostructure porous films with arrays of gold nanoparticles (Au NPs) have been produced by pulsed laser deposition. Dispersion properties of surface plasmons have been studied by the modulation-polarization spectroscopy technique. The dispersion relations for radiative modes and two types of non-radiative modes of localized and propagating surface plasmons were obtained. The branches of propagating modes were characterized by negative group velocity caused by spatial dispersion of dielectric function. The propagating modes are caused by dipole-dipole interactions between adjacent Au NPs. The frequencies and relaxation parameters of surface plasmon resonances and the plasma frequencies for Αu NPs were obtained. The relation between the surface plasmon's properties and formation conditions of films with arrays of Αu NPs is discussed.
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Affiliation(s)
- M O Stetsenko
- V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kyiv, 03028, Ukraine.
| | - L S Maksimenko
- V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kyiv, 03028, Ukraine
| | - S P Rudenko
- V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kyiv, 03028, Ukraine
| | - I M Krishchenko
- V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kyiv, 03028, Ukraine
| | - A A Korchovyi
- V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kyiv, 03028, Ukraine
| | - S B Kryvyi
- V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kyiv, 03028, Ukraine
| | - E B Kaganovich
- V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kyiv, 03028, Ukraine
| | - B K Serdega
- V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, 45, Pr. Nauky, Kyiv, 03028, Ukraine
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Fateixa S, Nogueira HIS, Trindade T. Hybrid nanostructures for SERS: materials development and chemical detection. Phys Chem Chem Phys 2015; 17:21046-71. [PMID: 25960180 DOI: 10.1039/c5cp01032b] [Citation(s) in RCA: 130] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review focuses on recent developments in hybrid and nanostructured substrates for SERS (surface-enhanced Raman scattering) studies. Thus substrates composed of at least two distinct types of materials, in which one is a SERS active metal, are considered here aiming at their use as platforms for chemical detection in a variety of contexts. Fundamental aspects related to the SERS effect and plasmonic behaviour of nanometals are briefly introduced. The materials described include polymer nanocomposites containing metal nanoparticles and coupled inorganic nanophases. Chemical approaches to tailor the morphological features of these substrates in order to get high SERS activity are reviewed. Finally, some perspectives for practical applications in the context of chemical detection of analytes using such hybrid platforms are presented.
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Affiliation(s)
- Sara Fateixa
- Department of Chemistry-CICECO University of Aveiro, 3810-193 Aveiro, Portugal.
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Hao J, Han MJ, Xu Z, Li J, Meng X. Fabrication and evolution of multilayer silver nanofilms for surface-enhanced Raman scattering sensing of arsenate. NANOSCALE RESEARCH LETTERS 2011; 6:263. [PMID: 21711772 PMCID: PMC3211326 DOI: 10.1186/1556-276x-6-263] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2010] [Accepted: 03/28/2011] [Indexed: 05/29/2023]
Abstract
Surface-enhanced Raman scattering (SERS) has recently been investigated extensively for chemical and biomolecular sensing. Multilayer silver (Ag) nanofilms deposited on glass slides by a simple electroless deposition process have been fabricated as active substrates (Ag/GL substrates) for arsenate SERS sensing. The nanostructures and layer characteristics of the multilayer Ag films could be tuned by varying the concentrations of reactants (AgNO3/BuNH2) and reaction time. A Ag nanoparticles (AgNPs) double-layer was formed by directly reducing Ag+ ions on the glass surfaces, while a top layer (3rd-layer) of Ag dendrites was deposited on the double-layer by self-assembling AgNPs or AgNPs aggregates which had already formed in the suspension. The SERS spectra of arsenate showed that characteristic SERS bands of arsenate appear at approximately 780 and 420 cm-1, and the former possesses higher SERS intensity. By comparing the peak heights of the approximately 780 cm-1 band of the SERS spectra, the optimal Ag/GL substrate has been obtained for the most sensitive SERS sensing of arsenate. Using this optimal substrate, the limit of detection (LOD) of arsenate was determined to be approximately 5 μg·l-1.
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Affiliation(s)
- Jumin Hao
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA
| | - Mei-Juan Han
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA
| | - Zhonghou Xu
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA
| | - Jinwei Li
- Department of Mechanical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
| | - Xiaoguang Meng
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA
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Surface-enhanced Raman scattering analysis of perchlorate using silver nanofilms deposited on copper foils. Colloids Surf A Physicochem Eng Asp 2010. [DOI: 10.1016/j.colsurfa.2010.06.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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ZAVALIN A, CRICENTI A, GENEROSI R, LUCE M, MORGAN S, PISTON D. Nano-Raman mapping of a porous glass-ceramic SERS substrate in collection mode. J Microsc 2008; 229:402-6. [DOI: 10.1111/j.1365-2818.2008.01919.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Prokopec V, Cejkova J, Matějka P, Hasal P. Preparation of SERS-active substrates with large surface area for Raman spectral mapping and testing of their surface nanostructure. SURF INTERFACE ANAL 2008. [DOI: 10.1002/sia.2774] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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