Reproducible Ultrahigh SERS Enhancement in Single Deterministic Hotspots Using Nanosphere-Plane Antennas Under Radially Polarized Excitation
Surface enhanced Raman scattering (SERS) in a nanometer size hotspot has empowered the investigation of chemical structures and dynamic behaviors of one and a few molecules. However, further advancement is hindered by lack of large enough yet reproducible enhancement in single deterministic hotspots...
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| Veröffentlicht in: | Scientific reports 2016-09, Vol.6 (1), p.33218-33218, Article 33218 |
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| description | Surface enhanced Raman scattering (SERS) in a nanometer size hotspot has empowered the investigation of chemical structures and dynamic behaviors of one and a few molecules. However, further advancement is hindered by lack of large enough yet reproducible enhancement in single deterministic hotspots. To resolve this problem, here we introduce a nanosphere-plane antenna under radially polarized laser excitation experiment, which provides an electromagnetic enhancement of 10
9~10
at the gap of each individual nanosphere-plane antenna and a root-mean-square error down to 10
0.08
between them. The experiment also reveals a nonlinear SERS behavior with less than one plasmon, which is also observed within a single hotspot. The unprecedented simultaneous achievement of ultrahigh enhancement and reproducibility in deterministic individual hotspots is attributed to the combination of a well-controlled hotspot geometry, the efficient coupling between vertical antenna and laser which produces orders of magnitude higher enhancement than previous excitation methods, and low power operation which is critical for high reproducibility. Our method opens a path for systematic studies on single and few molecule SERS and their surface chemistry in an
in-situ
and well-controlled manner. |
| doi_str_mv | 10.1038/srep33218 |
| format | Article |
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9~10
at the gap of each individual nanosphere-plane antenna and a root-mean-square error down to 10
0.08
between them. The experiment also reveals a nonlinear SERS behavior with less than one plasmon, which is also observed within a single hotspot. The unprecedented simultaneous achievement of ultrahigh enhancement and reproducibility in deterministic individual hotspots is attributed to the combination of a well-controlled hotspot geometry, the efficient coupling between vertical antenna and laser which produces orders of magnitude higher enhancement than previous excitation methods, and low power operation which is critical for high reproducibility. Our method opens a path for systematic studies on single and few molecule SERS and their surface chemistry in an
in-situ
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9~10
at the gap of each individual nanosphere-plane antenna and a root-mean-square error down to 10
0.08
between them. The experiment also reveals a nonlinear SERS behavior with less than one plasmon, which is also observed within a single hotspot. The unprecedented simultaneous achievement of ultrahigh enhancement and reproducibility in deterministic individual hotspots is attributed to the combination of a well-controlled hotspot geometry, the efficient coupling between vertical antenna and laser which produces orders of magnitude higher enhancement than previous excitation methods, and low power operation which is critical for high reproducibility. Our method opens a path for systematic studies on single and few molecule SERS and their surface chemistry in an
in-situ
and well-controlled manner.</description><subject>140/133</subject><subject>639/638/542/969</subject><subject>639/925/927/1021</subject><subject>639/925/930/12</subject><subject>Antennas</subject><subject>Humanities and Social Sciences</subject><subject>multidisciplinary</subject><subject>Science</subject><subject>Surface chemistry</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNplkd9qFDEYxQdRbKm98AUk4I0Ko0nmX3IjlLpaoWjZda9DNvlmJyWTTJOMWJ_BhzbL1mXVQEjg_Dj5Tk5RPCf4LcEVexcDTFVFCXtUnFJcNyWtKH18dD8pzmO8xXk1lNeEPy1OaNdSQjA_LX4tYQpez8psLKC1TUEOZjug1WK5Qgs3SKdgBJeQcWhl3DZDHyBBGI0zMRmFrnyKU95oHbOMvkjn4zRAgPLGSgfowiVwTmbdaQhoKbWR1t6jG29lMD9Bo8UPZZJMxrtnxZNe2gjnD-dZsf64-HZ5VV5__fT58uK6VHXFUqk6zHqlNQEma82aTjakVQ1sNqzDHdBeKqZwpXsKnPUt5wTXWnJMe0q5bGl1Vrzf-07zZgStcr4grZiCGWW4F14a8bfizCC2_rtocP5VyrLBqweD4O9miEmMJiqwu8R-joIwwusK467L6Mt_0Fs_B5fjZYpz3LWM7Qxf7ykVfMyN9odhCBa7msWh5sy-OJ7-QP4pNQNv9kDMkttCOHryP7ffWEe0jQ</recordid><startdate>20160913</startdate><enddate>20160913</enddate><creator>Long, Jing</creator><creator>Yi, Hui</creator><creator>Li, Hongquan</creator><creator>Lei, Zeyu</creator><creator>Yang, Tian</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20160913</creationdate><title>Reproducible Ultrahigh SERS Enhancement in Single Deterministic Hotspots Using Nanosphere-Plane Antennas Under Radially Polarized Excitation</title><author>Long, Jing ; Yi, Hui ; Li, Hongquan ; Lei, Zeyu ; Yang, Tian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-c708fcdd1e8a4d857a516c5ebb8707e2fac8c03df2e98f699104da902f229a623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>140/133</topic><topic>639/638/542/969</topic><topic>639/925/927/1021</topic><topic>639/925/930/12</topic><topic>Antennas</topic><topic>Humanities and Social Sciences</topic><topic>multidisciplinary</topic><topic>Science</topic><topic>Surface chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Long, Jing</creatorcontrib><creatorcontrib>Yi, Hui</creatorcontrib><creatorcontrib>Li, Hongquan</creatorcontrib><creatorcontrib>Lei, Zeyu</creatorcontrib><creatorcontrib>Yang, Tian</creatorcontrib><collection>Springer Nature OA/Free Journals</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scientific reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Long, Jing</au><au>Yi, Hui</au><au>Li, Hongquan</au><au>Lei, Zeyu</au><au>Yang, Tian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reproducible Ultrahigh SERS Enhancement in Single Deterministic Hotspots Using Nanosphere-Plane Antennas Under Radially Polarized Excitation</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2016-09-13</date><risdate>2016</risdate><volume>6</volume><issue>1</issue><spage>33218</spage><epage>33218</epage><pages>33218-33218</pages><artnum>33218</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>Surface enhanced Raman scattering (SERS) in a nanometer size hotspot has empowered the investigation of chemical structures and dynamic behaviors of one and a few molecules. However, further advancement is hindered by lack of large enough yet reproducible enhancement in single deterministic hotspots. To resolve this problem, here we introduce a nanosphere-plane antenna under radially polarized laser excitation experiment, which provides an electromagnetic enhancement of 10
9~10
at the gap of each individual nanosphere-plane antenna and a root-mean-square error down to 10
0.08
between them. The experiment also reveals a nonlinear SERS behavior with less than one plasmon, which is also observed within a single hotspot. The unprecedented simultaneous achievement of ultrahigh enhancement and reproducibility in deterministic individual hotspots is attributed to the combination of a well-controlled hotspot geometry, the efficient coupling between vertical antenna and laser which produces orders of magnitude higher enhancement than previous excitation methods, and low power operation which is critical for high reproducibility. Our method opens a path for systematic studies on single and few molecule SERS and their surface chemistry in an
in-situ
and well-controlled manner.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>27621109</pmid><doi>10.1038/srep33218</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 140/133 639/638/542/969 639/925/927/1021 639/925/930/12 Antennas Humanities and Social Sciences multidisciplinary Science Surface chemistry |
| title | Reproducible Ultrahigh SERS Enhancement in Single Deterministic Hotspots Using Nanosphere-Plane Antennas Under Radially Polarized Excitation |
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