Nanostructured Gold Films for SERS by Block Copolymer-Templated Galvanic Displacement Reactions
Up to now, little effort has been made to exploit large-area high-throughput patterning by block copolymer (BCP) lithography to generate nanostructured substrates with periods well below 100 nm for surface-enhanced Raman scattering (SERS). We show that simple BCP-templated galvanic displacement reac...
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| Veröffentlicht in: | Nano letters 2009-06, Vol.9 (6), p.2384-2389 |
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| container_title | Nano letters |
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| creator | Wang, Yong Becker, Michael Wang, Li Liu, Jinquan Scholz, Roland Peng, Juan Gösele, Ulrich Christiansen, Silke Kim, Dong Ha Steinhart, Martin |
| description | Up to now, little effort has been made to exploit large-area high-throughput patterning by block copolymer (BCP) lithography to generate nanostructured substrates with periods well below 100 nm for surface-enhanced Raman scattering (SERS). We show that simple BCP-templated galvanic displacement reactions yield dense arrays of mushroom-shaped gold nanopillars with a period of 50 nm. The nanoporous BCP films used as templates were obtained by swelling-induced reconstruction of reverse micelle monolayers deposited on silicon wafers. Coupling of adjacent mushroom caps almost impinging on each other combined with their strong local curvature results in a high spatial density of hot spots in the narrow gaps between them. Thus, substrates characterized by high SERS efficiencies are obtained. |
| doi_str_mv | 10.1021/nl900939y |
| format | Article |
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We show that simple BCP-templated galvanic displacement reactions yield dense arrays of mushroom-shaped gold nanopillars with a period of 50 nm. The nanoporous BCP films used as templates were obtained by swelling-induced reconstruction of reverse micelle monolayers deposited on silicon wafers. Coupling of adjacent mushroom caps almost impinging on each other combined with their strong local curvature results in a high spatial density of hot spots in the narrow gaps between them. Thus, substrates characterized by high SERS efficiencies are obtained.</description><identifier>ISSN: 1530-6984</identifier><identifier>EISSN: 1530-6992</identifier><identifier>DOI: 10.1021/nl900939y</identifier><identifier>PMID: 19459615</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Chemical synthesis methods ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties ; Materials science ; Methods of nanofabrication ; Nanolithography ; Nanoscale pattern formation ; Physics ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><ispartof>Nano letters, 2009-06, Vol.9 (6), p.2384-2389</ispartof><rights>Copyright © 2009 American Chemical Society</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a409t-5b9f261beaadf2554437ea51e480fb7384b19832d69d43168dc7f3d94580ee513</citedby><cites>FETCH-LOGICAL-a409t-5b9f261beaadf2554437ea51e480fb7384b19832d69d43168dc7f3d94580ee513</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/nl900939y$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/nl900939y$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2763,27074,27922,27923,56736,56786</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21658433$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19459615$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Becker, Michael</creatorcontrib><creatorcontrib>Wang, Li</creatorcontrib><creatorcontrib>Liu, Jinquan</creatorcontrib><creatorcontrib>Scholz, Roland</creatorcontrib><creatorcontrib>Peng, Juan</creatorcontrib><creatorcontrib>Gösele, Ulrich</creatorcontrib><creatorcontrib>Christiansen, Silke</creatorcontrib><creatorcontrib>Kim, Dong Ha</creatorcontrib><creatorcontrib>Steinhart, Martin</creatorcontrib><title>Nanostructured Gold Films for SERS by Block Copolymer-Templated Galvanic Displacement Reactions</title><title>Nano letters</title><addtitle>Nano Lett</addtitle><description>Up to now, little effort has been made to exploit large-area high-throughput patterning by block copolymer (BCP) lithography to generate nanostructured substrates with periods well below 100 nm for surface-enhanced Raman scattering (SERS). We show that simple BCP-templated galvanic displacement reactions yield dense arrays of mushroom-shaped gold nanopillars with a period of 50 nm. The nanoporous BCP films used as templates were obtained by swelling-induced reconstruction of reverse micelle monolayers deposited on silicon wafers. Coupling of adjacent mushroom caps almost impinging on each other combined with their strong local curvature results in a high spatial density of hot spots in the narrow gaps between them. Thus, substrates characterized by high SERS efficiencies are obtained.</description><subject>Chemical synthesis methods</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties</subject><subject>Materials science</subject><subject>Methods of nanofabrication</subject><subject>Nanolithography</subject><subject>Nanoscale pattern formation</subject><subject>Physics</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><issn>1530-6984</issn><issn>1530-6992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNpt0EFLwzAUB_AgitPpwS8guSh4qCZN0jZHndsUhsI2zyVNX6EzbWrSCv32dmxsF095hN97j_dH6IaSR0pC-lQbSYhksj9BF1QwEkRShqeHOuEjdOn9hmyRIOdoRCUXMqLiAqUfqra-dZ1uOwc5nluT41lpKo8L6_BqulzhrMcvxupvPLGNNX0FLlhD1RjVbhuU-VV1qfFr6YcvDRXULV6C0m1pa3-FzgplPFzv3zH6mk3Xk7dg8Tl_nzwvAsWJbAORySKMaAZK5UUoBOcsBiUo8IQUWcwSnlGZsDCPZM4ZjZJcxwXLhzMSAiAoG6P73dzG2Z8OfJtWpddgjKrBdj6NYjaokA_wYQe1s947KNLGlZVyfUpJuk0zPaQ52Nv90C6rID_KfXwDuNsD5bUyhVO1Lv3BhTQSCWfs6JT26cZ2rh6y-GfhH16biIQ</recordid><startdate>20090610</startdate><enddate>20090610</enddate><creator>Wang, Yong</creator><creator>Becker, Michael</creator><creator>Wang, Li</creator><creator>Liu, Jinquan</creator><creator>Scholz, Roland</creator><creator>Peng, Juan</creator><creator>Gösele, Ulrich</creator><creator>Christiansen, Silke</creator><creator>Kim, Dong Ha</creator><creator>Steinhart, Martin</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20090610</creationdate><title>Nanostructured Gold Films for SERS by Block Copolymer-Templated Galvanic Displacement Reactions</title><author>Wang, Yong ; Becker, Michael ; Wang, Li ; Liu, Jinquan ; Scholz, Roland ; Peng, Juan ; Gösele, Ulrich ; Christiansen, Silke ; Kim, Dong Ha ; Steinhart, Martin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a409t-5b9f261beaadf2554437ea51e480fb7384b19832d69d43168dc7f3d94580ee513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Chemical synthesis methods</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties</topic><topic>Materials science</topic><topic>Methods of nanofabrication</topic><topic>Nanolithography</topic><topic>Nanoscale pattern formation</topic><topic>Physics</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Becker, Michael</creatorcontrib><creatorcontrib>Wang, Li</creatorcontrib><creatorcontrib>Liu, Jinquan</creatorcontrib><creatorcontrib>Scholz, Roland</creatorcontrib><creatorcontrib>Peng, Juan</creatorcontrib><creatorcontrib>Gösele, Ulrich</creatorcontrib><creatorcontrib>Christiansen, Silke</creatorcontrib><creatorcontrib>Kim, Dong Ha</creatorcontrib><creatorcontrib>Steinhart, Martin</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Yong</au><au>Becker, Michael</au><au>Wang, Li</au><au>Liu, Jinquan</au><au>Scholz, Roland</au><au>Peng, Juan</au><au>Gösele, Ulrich</au><au>Christiansen, Silke</au><au>Kim, Dong Ha</au><au>Steinhart, Martin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nanostructured Gold Films for SERS by Block Copolymer-Templated Galvanic Displacement Reactions</atitle><jtitle>Nano letters</jtitle><addtitle>Nano Lett</addtitle><date>2009-06-10</date><risdate>2009</risdate><volume>9</volume><issue>6</issue><spage>2384</spage><epage>2389</epage><pages>2384-2389</pages><issn>1530-6984</issn><eissn>1530-6992</eissn><abstract>Up to now, little effort has been made to exploit large-area high-throughput patterning by block copolymer (BCP) lithography to generate nanostructured substrates with periods well below 100 nm for surface-enhanced Raman scattering (SERS). We show that simple BCP-templated galvanic displacement reactions yield dense arrays of mushroom-shaped gold nanopillars with a period of 50 nm. The nanoporous BCP films used as templates were obtained by swelling-induced reconstruction of reverse micelle monolayers deposited on silicon wafers. Coupling of adjacent mushroom caps almost impinging on each other combined with their strong local curvature results in a high spatial density of hot spots in the narrow gaps between them. Thus, substrates characterized by high SERS efficiencies are obtained.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>19459615</pmid><doi>10.1021/nl900939y</doi><tpages>6</tpages></addata></record> |
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| subjects | Chemical synthesis methods Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Materials science Methods of nanofabrication Nanolithography Nanoscale pattern formation Physics Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) |
| title | Nanostructured Gold Films for SERS by Block Copolymer-Templated Galvanic Displacement Reactions |
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