A generalized exponential relationship between the surface-enhanced Raman scattering (SERS) efficiency of gold/silver nanoisland arrangements and their non-dimensional interparticle distance/particle diameter ratio
[Display omitted] •The thermally generated gold and silver nanoislands were investigated for SERS applications.•The geometrical parameters of nanoisland arrangements were determined from SEM data.•The size and the interparticle distance was correlated with the enhancement factor (EF) of SERS.•The in...
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| Veröffentlicht in: | Sensors and actuators. A. Physical. 2020-10, Vol.314, p.112225, Article 112225 |
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| container_title | Sensors and actuators. A. Physical. |
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| creator | Pal, P. Bonyár, A. Veres, M. Himics, L. Balázs, L. Juhász, L. Csarnovics, I. |
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•The thermally generated gold and silver nanoislands were investigated for SERS applications.•The geometrical parameters of nanoisland arrangements were determined from SEM data.•The size and the interparticle distance was correlated with the enhancement factor (EF) of SERS.•The influence of the geometrical parameters and the laser wavelength on the EF was studied.•Exponential relationship between EF and the interparticle distance/diameter was established.
The optimization of the geometrical properties of gold/silver nanoparticle arrangements to maximize their surface-enhanced Raman scattering (SERS) efficiency is studied in this work. For this purpose, the metallic nanostructures were created by thermally annealing gold and silver thin film layers deposited onto glass substrates. The SERS capabilities of the samples were evaluated by measuring an analyte solution of benzophenone with three different excitation laser wavelengths. Systematic investigations were carried out on different gold and silver nanoisland samples to determine how the SERS enhancement depends on the geometrical (particle diameter, interparticle distance) and optical parameters (plasmon wavelength) of the nanostructures, as well as on the wavelength of laser excitation. The importance of matching the excitation wavelength with the resonant plasmon absorbance properties of the surface was proved. However, it was also shown that the optimization of the geometrical properties of the nanoisland arrangements dominates over the selection of the excitation wavelength. A generalized exponential relationship between the SERS enhancement and the non-dimensional interparticle distance/particle diameter ratio was established. Optimal technological parameters for the fabrication of gold/silver nanoisland SERS substrates were proposed. |
| doi_str_mv | 10.1016/j.sna.2020.112225 |
| format | Article |
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•The thermally generated gold and silver nanoislands were investigated for SERS applications.•The geometrical parameters of nanoisland arrangements were determined from SEM data.•The size and the interparticle distance was correlated with the enhancement factor (EF) of SERS.•The influence of the geometrical parameters and the laser wavelength on the EF was studied.•Exponential relationship between EF and the interparticle distance/diameter was established.
The optimization of the geometrical properties of gold/silver nanoparticle arrangements to maximize their surface-enhanced Raman scattering (SERS) efficiency is studied in this work. For this purpose, the metallic nanostructures were created by thermally annealing gold and silver thin film layers deposited onto glass substrates. The SERS capabilities of the samples were evaluated by measuring an analyte solution of benzophenone with three different excitation laser wavelengths. Systematic investigations were carried out on different gold and silver nanoisland samples to determine how the SERS enhancement depends on the geometrical (particle diameter, interparticle distance) and optical parameters (plasmon wavelength) of the nanostructures, as well as on the wavelength of laser excitation. The importance of matching the excitation wavelength with the resonant plasmon absorbance properties of the surface was proved. However, it was also shown that the optimization of the geometrical properties of the nanoisland arrangements dominates over the selection of the excitation wavelength. A generalized exponential relationship between the SERS enhancement and the non-dimensional interparticle distance/particle diameter ratio was established. Optimal technological parameters for the fabrication of gold/silver nanoisland SERS substrates were proposed.</description><identifier>ISSN: 0924-4247</identifier><identifier>EISSN: 1873-3069</identifier><identifier>DOI: 10.1016/j.sna.2020.112225</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Diameters ; Excitation ; Glass substrates ; Gold ; Gold and silver nanoislands ; Lasers ; Nanoparticles ; Nanostructure ; Nanostructured materials ; Optimization ; Parameters ; Particle size ; Photonic devices ; Plasmonics ; Properties (attributes) ; Raman spectra ; Scattering ; Sensors ; Silver ; Surface-enhanced Raman scattering ; Thin films</subject><ispartof>Sensors and actuators. A. Physical., 2020-10, Vol.314, p.112225, Article 112225</ispartof><rights>2020 The Authors</rights><rights>Copyright Elsevier BV Oct 15, 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-32a2f490370268a132338ec07a9c44278dba95ce0b8f979551a8879033d7c7753</citedby><cites>FETCH-LOGICAL-c368t-32a2f490370268a132338ec07a9c44278dba95ce0b8f979551a8879033d7c7753</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.sna.2020.112225$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,778,782,3539,27907,27908,45978</link.rule.ids></links><search><creatorcontrib>Pal, P.</creatorcontrib><creatorcontrib>Bonyár, A.</creatorcontrib><creatorcontrib>Veres, M.</creatorcontrib><creatorcontrib>Himics, L.</creatorcontrib><creatorcontrib>Balázs, L.</creatorcontrib><creatorcontrib>Juhász, L.</creatorcontrib><creatorcontrib>Csarnovics, I.</creatorcontrib><title>A generalized exponential relationship between the surface-enhanced Raman scattering (SERS) efficiency of gold/silver nanoisland arrangements and their non-dimensional interparticle distance/particle diameter ratio</title><title>Sensors and actuators. A. Physical.</title><description>[Display omitted]
•The thermally generated gold and silver nanoislands were investigated for SERS applications.•The geometrical parameters of nanoisland arrangements were determined from SEM data.•The size and the interparticle distance was correlated with the enhancement factor (EF) of SERS.•The influence of the geometrical parameters and the laser wavelength on the EF was studied.•Exponential relationship between EF and the interparticle distance/diameter was established.
The optimization of the geometrical properties of gold/silver nanoparticle arrangements to maximize their surface-enhanced Raman scattering (SERS) efficiency is studied in this work. For this purpose, the metallic nanostructures were created by thermally annealing gold and silver thin film layers deposited onto glass substrates. The SERS capabilities of the samples were evaluated by measuring an analyte solution of benzophenone with three different excitation laser wavelengths. Systematic investigations were carried out on different gold and silver nanoisland samples to determine how the SERS enhancement depends on the geometrical (particle diameter, interparticle distance) and optical parameters (plasmon wavelength) of the nanostructures, as well as on the wavelength of laser excitation. The importance of matching the excitation wavelength with the resonant plasmon absorbance properties of the surface was proved. However, it was also shown that the optimization of the geometrical properties of the nanoisland arrangements dominates over the selection of the excitation wavelength. A generalized exponential relationship between the SERS enhancement and the non-dimensional interparticle distance/particle diameter ratio was established. Optimal technological parameters for the fabrication of gold/silver nanoisland SERS substrates were proposed.</description><subject>Diameters</subject><subject>Excitation</subject><subject>Glass substrates</subject><subject>Gold</subject><subject>Gold and silver nanoislands</subject><subject>Lasers</subject><subject>Nanoparticles</subject><subject>Nanostructure</subject><subject>Nanostructured materials</subject><subject>Optimization</subject><subject>Parameters</subject><subject>Particle size</subject><subject>Photonic devices</subject><subject>Plasmonics</subject><subject>Properties (attributes)</subject><subject>Raman spectra</subject><subject>Scattering</subject><subject>Sensors</subject><subject>Silver</subject><subject>Surface-enhanced Raman scattering</subject><subject>Thin films</subject><issn>0924-4247</issn><issn>1873-3069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9UU1vEzEQtRBIhNIfwM0SFzhs4o_deFecqqrQSpWQWnq2Jt7ZxNHGXmynpfxQfg-zhAMnTqN5em_e0zzG3kmxlEKuV_tlDrBUQtEulVLNC7aQrdGVFuvuJVuITtVVrWrzmr3JeS-E0NqYBft1wbcYMMHof2LP8ccUA4biYeQJRyg-hrzzE99geUIMvOyQ52MawGGFYQfBkeoODhB4dlAKJh-2_MP91d39R47D4J3H4J55HPg2jv0q-_EREw8Qos8jhJ5DShC2eCDXzGeALDwxYqh6T2imCJTGB7o9QSrejch7n8vsvfoHgQMShac59Fv2aoAx4_nfecYePl99u7yubr9-ubm8uK2cXrel0grUUHdCG6HWLUittG7RCQOdq2tl2n4DXeNQbNqhM13TSGhbQ3zdG2dMo8_Y-9PdKcXvR8zF7uMxUd5s6ddCk0gYYskTy6WYc8LBTskfID1bKexcn91bqs_O9dlTfaT5dNIgxX_0mGz-80rsfUJXbB_9f9S_AblXp7Y</recordid><startdate>20201015</startdate><enddate>20201015</enddate><creator>Pal, P.</creator><creator>Bonyár, A.</creator><creator>Veres, M.</creator><creator>Himics, L.</creator><creator>Balázs, L.</creator><creator>Juhász, L.</creator><creator>Csarnovics, I.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>20201015</creationdate><title>A generalized exponential relationship between the surface-enhanced Raman scattering (SERS) efficiency of gold/silver nanoisland arrangements and their non-dimensional interparticle distance/particle diameter ratio</title><author>Pal, P. ; Bonyár, A. ; Veres, M. ; Himics, L. ; Balázs, L. ; Juhász, L. ; Csarnovics, I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-32a2f490370268a132338ec07a9c44278dba95ce0b8f979551a8879033d7c7753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Diameters</topic><topic>Excitation</topic><topic>Glass substrates</topic><topic>Gold</topic><topic>Gold and silver nanoislands</topic><topic>Lasers</topic><topic>Nanoparticles</topic><topic>Nanostructure</topic><topic>Nanostructured materials</topic><topic>Optimization</topic><topic>Parameters</topic><topic>Particle size</topic><topic>Photonic devices</topic><topic>Plasmonics</topic><topic>Properties (attributes)</topic><topic>Raman spectra</topic><topic>Scattering</topic><topic>Sensors</topic><topic>Silver</topic><topic>Surface-enhanced Raman scattering</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pal, P.</creatorcontrib><creatorcontrib>Bonyár, A.</creatorcontrib><creatorcontrib>Veres, M.</creatorcontrib><creatorcontrib>Himics, L.</creatorcontrib><creatorcontrib>Balázs, L.</creatorcontrib><creatorcontrib>Juhász, L.</creatorcontrib><creatorcontrib>Csarnovics, I.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Sensors and actuators. A. Physical.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pal, P.</au><au>Bonyár, A.</au><au>Veres, M.</au><au>Himics, L.</au><au>Balázs, L.</au><au>Juhász, L.</au><au>Csarnovics, I.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A generalized exponential relationship between the surface-enhanced Raman scattering (SERS) efficiency of gold/silver nanoisland arrangements and their non-dimensional interparticle distance/particle diameter ratio</atitle><jtitle>Sensors and actuators. A. Physical.</jtitle><date>2020-10-15</date><risdate>2020</risdate><volume>314</volume><spage>112225</spage><pages>112225-</pages><artnum>112225</artnum><issn>0924-4247</issn><eissn>1873-3069</eissn><abstract>[Display omitted]
•The thermally generated gold and silver nanoislands were investigated for SERS applications.•The geometrical parameters of nanoisland arrangements were determined from SEM data.•The size and the interparticle distance was correlated with the enhancement factor (EF) of SERS.•The influence of the geometrical parameters and the laser wavelength on the EF was studied.•Exponential relationship between EF and the interparticle distance/diameter was established.
The optimization of the geometrical properties of gold/silver nanoparticle arrangements to maximize their surface-enhanced Raman scattering (SERS) efficiency is studied in this work. For this purpose, the metallic nanostructures were created by thermally annealing gold and silver thin film layers deposited onto glass substrates. The SERS capabilities of the samples were evaluated by measuring an analyte solution of benzophenone with three different excitation laser wavelengths. Systematic investigations were carried out on different gold and silver nanoisland samples to determine how the SERS enhancement depends on the geometrical (particle diameter, interparticle distance) and optical parameters (plasmon wavelength) of the nanostructures, as well as on the wavelength of laser excitation. The importance of matching the excitation wavelength with the resonant plasmon absorbance properties of the surface was proved. However, it was also shown that the optimization of the geometrical properties of the nanoisland arrangements dominates over the selection of the excitation wavelength. A generalized exponential relationship between the SERS enhancement and the non-dimensional interparticle distance/particle diameter ratio was established. Optimal technological parameters for the fabrication of gold/silver nanoisland SERS substrates were proposed.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.sna.2020.112225</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Diameters Excitation Glass substrates Gold Gold and silver nanoislands Lasers Nanoparticles Nanostructure Nanostructured materials Optimization Parameters Particle size Photonic devices Plasmonics Properties (attributes) Raman spectra Scattering Sensors Silver Surface-enhanced Raman scattering Thin films |
| title | A generalized exponential relationship between the surface-enhanced Raman scattering (SERS) efficiency of gold/silver nanoisland arrangements and their non-dimensional interparticle distance/particle diameter ratio |
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