Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold film
In this study, we experimentally prepared composite structures of 170 nm gold nanocube, poly(methyl methacrylate) (PMMA) spacer layers with different thicknesses, and 50 nm gold film as substrates for surface plasmons excitation and surface-enhanced Raman scattering (SERS). The SERS spectra of gold...
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| Veröffentlicht in: | Optical materials express 2019-04, Vol.9 (4), p.1872 |
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| container_title | Optical materials express |
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| creator | Wang, Xiangxian Bai, Xuelin Pang, Zhiyuan Zhu, Jiankai Wu, Yuan Yang, Hua Qi, Yunping Wen, Xiaolei |
| description | In this study, we experimentally prepared composite structures of 170 nm gold nanocube, poly(methyl methacrylate) (PMMA) spacer layers with different thicknesses, and 50 nm gold film as substrates for surface plasmons excitation and surface-enhanced Raman scattering (SERS). The SERS spectra of gold nanocube and the composite structure were studied by using a 633 nm laser as an excitation source and rhodamine 6G (R6G) as the Raman probe molecule with 5.625 µg/mL gold nanocube aqueous solution. It was found that the composite structures produced much stronger SERS signals than that with the single gold nanocube structure. The relationship between the intensities of SERS Raman peaks and the PMMA spacer layer thicknessess of the composite structures was found to have the same trend as that between the Raman enhancement factor and PMMA spacer layer thickness obtained by the finite element method simulation. Furthermore, a R6G concentration as low as 10−12 M could be detected by the composite structure. |
| doi_str_mv | 10.1364/OME.9.001872 |
| format | Article |
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The SERS spectra of gold nanocube and the composite structure were studied by using a 633 nm laser as an excitation source and rhodamine 6G (R6G) as the Raman probe molecule with 5.625 µg/mL gold nanocube aqueous solution. It was found that the composite structures produced much stronger SERS signals than that with the single gold nanocube structure. The relationship between the intensities of SERS Raman peaks and the PMMA spacer layer thicknessess of the composite structures was found to have the same trend as that between the Raman enhancement factor and PMMA spacer layer thickness obtained by the finite element method simulation. Furthermore, a R6G concentration as low as 10−12 M could be detected by the composite structure.</description><identifier>ISSN: 2159-3930</identifier><identifier>EISSN: 2159-3930</identifier><identifier>DOI: 10.1364/OME.9.001872</identifier><language>eng</language><publisher>Washington: Optical Society of America</publisher><subject>Aqueous solutions ; Composite structures ; Computer simulation ; Excitation ; Finite element method ; Gold ; Plasmons ; Polymethyl methacrylate ; Raman spectra ; Rhodamine 6G ; Substrates ; Thickness</subject><ispartof>Optical materials express, 2019-04, Vol.9 (4), p.1872</ispartof><rights>Copyright Optical Society of America Apr 1, 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c301t-fd38faa66a72b11cea687bcd8221c121cf6a46a51aff2a16e145a6e31a88e77d3</citedby><cites>FETCH-LOGICAL-c301t-fd38faa66a72b11cea687bcd8221c121cf6a46a51aff2a16e145a6e31a88e77d3</cites><orcidid>0000-0002-4156-1360</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,864,27923,27924</link.rule.ids></links><search><creatorcontrib>Wang, Xiangxian</creatorcontrib><creatorcontrib>Bai, Xuelin</creatorcontrib><creatorcontrib>Pang, Zhiyuan</creatorcontrib><creatorcontrib>Zhu, Jiankai</creatorcontrib><creatorcontrib>Wu, Yuan</creatorcontrib><creatorcontrib>Yang, Hua</creatorcontrib><creatorcontrib>Qi, Yunping</creatorcontrib><creatorcontrib>Wen, Xiaolei</creatorcontrib><title>Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold film</title><title>Optical materials express</title><description>In this study, we experimentally prepared composite structures of 170 nm gold nanocube, poly(methyl methacrylate) (PMMA) spacer layers with different thicknesses, and 50 nm gold film as substrates for surface plasmons excitation and surface-enhanced Raman scattering (SERS). The SERS spectra of gold nanocube and the composite structure were studied by using a 633 nm laser as an excitation source and rhodamine 6G (R6G) as the Raman probe molecule with 5.625 µg/mL gold nanocube aqueous solution. It was found that the composite structures produced much stronger SERS signals than that with the single gold nanocube structure. The relationship between the intensities of SERS Raman peaks and the PMMA spacer layer thicknessess of the composite structures was found to have the same trend as that between the Raman enhancement factor and PMMA spacer layer thickness obtained by the finite element method simulation. Furthermore, a R6G concentration as low as 10−12 M could be detected by the composite structure.</description><subject>Aqueous solutions</subject><subject>Composite structures</subject><subject>Computer simulation</subject><subject>Excitation</subject><subject>Finite element method</subject><subject>Gold</subject><subject>Plasmons</subject><subject>Polymethyl methacrylate</subject><subject>Raman spectra</subject><subject>Rhodamine 6G</subject><subject>Substrates</subject><subject>Thickness</subject><issn>2159-3930</issn><issn>2159-3930</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNpNkMtqwzAQRUVpoSHNrh8g6LZKLcmW5WUI6QMSUvqA7sRYllIHW0ole5G_r9p00YFhhuFy73AQuqbZnHKR3203q3k1zzIqS3aGJowWFeEVz87_7ZdoFuM-S1UIJhmboI_XMVjQhhj3CU6bBr9ADw5HDcNgQut2uD5i7fuDj-1gcBzCqIcxGOwt3vmuwQ6c12NtyPNmsyC_J9t2_RW6sNBFM_ubU_R-v3pbPpL19uFpuVgTzTM6ENtwaQGEgJLVlGoDQpa1btJzVNPUVkAuoKBgLQMqDM0LEIZTkNKUZcOn6Obkewj-azRxUHs_BpciVbKQVVHmgiXV7Umlg48xGKsOoe0hHBXN1A8-lfCpSp3w8W-OQWKL</recordid><startdate>20190401</startdate><enddate>20190401</enddate><creator>Wang, Xiangxian</creator><creator>Bai, Xuelin</creator><creator>Pang, Zhiyuan</creator><creator>Zhu, Jiankai</creator><creator>Wu, Yuan</creator><creator>Yang, Hua</creator><creator>Qi, Yunping</creator><creator>Wen, Xiaolei</creator><general>Optical Society of America</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4156-1360</orcidid></search><sort><creationdate>20190401</creationdate><title>Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold film</title><author>Wang, Xiangxian ; Bai, Xuelin ; Pang, Zhiyuan ; Zhu, Jiankai ; Wu, Yuan ; Yang, Hua ; Qi, Yunping ; Wen, Xiaolei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c301t-fd38faa66a72b11cea687bcd8221c121cf6a46a51aff2a16e145a6e31a88e77d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aqueous solutions</topic><topic>Composite structures</topic><topic>Computer simulation</topic><topic>Excitation</topic><topic>Finite element method</topic><topic>Gold</topic><topic>Plasmons</topic><topic>Polymethyl methacrylate</topic><topic>Raman spectra</topic><topic>Rhodamine 6G</topic><topic>Substrates</topic><topic>Thickness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Xiangxian</creatorcontrib><creatorcontrib>Bai, Xuelin</creatorcontrib><creatorcontrib>Pang, Zhiyuan</creatorcontrib><creatorcontrib>Zhu, Jiankai</creatorcontrib><creatorcontrib>Wu, Yuan</creatorcontrib><creatorcontrib>Yang, Hua</creatorcontrib><creatorcontrib>Qi, Yunping</creatorcontrib><creatorcontrib>Wen, Xiaolei</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optical materials express</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Xiangxian</au><au>Bai, Xuelin</au><au>Pang, Zhiyuan</au><au>Zhu, Jiankai</au><au>Wu, Yuan</au><au>Yang, Hua</au><au>Qi, Yunping</au><au>Wen, Xiaolei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold film</atitle><jtitle>Optical materials express</jtitle><date>2019-04-01</date><risdate>2019</risdate><volume>9</volume><issue>4</issue><spage>1872</spage><pages>1872-</pages><issn>2159-3930</issn><eissn>2159-3930</eissn><abstract>In this study, we experimentally prepared composite structures of 170 nm gold nanocube, poly(methyl methacrylate) (PMMA) spacer layers with different thicknesses, and 50 nm gold film as substrates for surface plasmons excitation and surface-enhanced Raman scattering (SERS). The SERS spectra of gold nanocube and the composite structure were studied by using a 633 nm laser as an excitation source and rhodamine 6G (R6G) as the Raman probe molecule with 5.625 µg/mL gold nanocube aqueous solution. It was found that the composite structures produced much stronger SERS signals than that with the single gold nanocube structure. The relationship between the intensities of SERS Raman peaks and the PMMA spacer layer thicknessess of the composite structures was found to have the same trend as that between the Raman enhancement factor and PMMA spacer layer thickness obtained by the finite element method simulation. Furthermore, a R6G concentration as low as 10−12 M could be detected by the composite structure.</abstract><cop>Washington</cop><pub>Optical Society of America</pub><doi>10.1364/OME.9.001872</doi><orcidid>https://orcid.org/0000-0002-4156-1360</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Optical materials express, 2019-04, Vol.9 (4), p.1872 |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Aqueous solutions Composite structures Computer simulation Excitation Finite element method Gold Plasmons Polymethyl methacrylate Raman spectra Rhodamine 6G Substrates Thickness |
| title | Surface-enhanced Raman scattering by composite structure of gold nanocube-PMMA-gold film |
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