Understanding and controlling plasmon-induced convection.
Identifieur interne : 000011 ( Main/Exploration ); précédent : 000010; suivant : 000012Understanding and controlling plasmon-induced convection.
Auteurs : RBID : pubmed:24445431Abstract
The heat generation and fluid convection induced by plasmonic nanostructures is attractive for optofluidic applications. However, previously published theoretical studies predict only nanometre per second fluid velocities that are inadequate for microscale mass transport. Here we show both theoretically and experimentally that an array of plasmonic nanoantennas coupled to an optically absorptive indium-tin-oxide (ITO) substrate can generate >micrometre per second fluid convection. Crucially, the ITO distributes thermal energy created by the nanoantennas generating an order of magnitude increase in convection velocities compared with nanoantennas on a SiO2 base layer. In addition, the plasmonic array alters absorption in the ITO, causing a deviation from Beer-Lambert absorption that results in an optimum ITO thickness for a given system. This work elucidates the role of convection in plasmonic optical trapping and particle assembly, and opens up new avenues for controlling fluid and mass transport on the micro- and nanoscale.
DOI: 10.1038/ncomms4173
PubMed: 24445431
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Understanding and controlling plasmon-induced convection.</title><author><name sortKey="Roxworthy, Brian J" uniqKey="Roxworthy B">Brian J Roxworthy</name><affiliation wicri:level="1"><nlm:affiliation>Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801</wicri:regionArea></affiliation></author><author><name sortKey="Bhuiya, Abdul M" uniqKey="Bhuiya A">Abdul M Bhuiya</name><affiliation wicri:level="1"><nlm:affiliation>Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801</wicri:regionArea></affiliation></author><author><name sortKey="Vanka, Surya P" uniqKey="Vanka S">Surya P Vanka</name><affiliation wicri:level="1"><nlm:affiliation>Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801</wicri:regionArea></affiliation></author><author><name sortKey="Toussaint, Kimani C" uniqKey="Toussaint K">Kimani C Toussaint</name><affiliation wicri:level="1"><nlm:affiliation>Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><date when="2014">2014</date><idno type="doi">10.1038/ncomms4173</idno><idno type="RBID">pubmed:24445431</idno><idno type="pmid">24445431</idno><idno type="wicri:Area/Main/Corpus">000204</idno><idno type="wicri:Area/Main/Curation">000204</idno><idno type="wicri:Area/Main/Exploration">000011</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The heat generation and fluid convection induced by plasmonic nanostructures is attractive for optofluidic applications. However, previously published theoretical studies predict only nanometre per second fluid velocities that are inadequate for microscale mass transport. Here we show both theoretically and experimentally that an array of plasmonic nanoantennas coupled to an optically absorptive indium-tin-oxide (ITO) substrate can generate >micrometre per second fluid convection. Crucially, the ITO distributes thermal energy created by the nanoantennas generating an order of magnitude increase in convection velocities compared with nanoantennas on a SiO2 base layer. In addition, the plasmonic array alters absorption in the ITO, causing a deviation from Beer-Lambert absorption that results in an optimum ITO thickness for a given system. This work elucidates the role of convection in plasmonic optical trapping and particle assembly, and opens up new avenues for controlling fluid and mass transport on the micro- and nanoscale.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="In-Process"><PMID Version="1">24445431</PMID><DateCreated><Year>2014</Year><Month>01</Month><Day>21</Day></DateCreated><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">2041-1723</ISSN><JournalIssue CitedMedium="Internet"><Volume>5</Volume><PubDate><Year>2014</Year></PubDate></JournalIssue><Title>Nature communications</Title><ISOAbbreviation>Nat Commun</ISOAbbreviation></Journal><ArticleTitle>Understanding and controlling plasmon-induced convection.</ArticleTitle><Pagination><MedlinePgn>3173</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/ncomms4173</ELocationID><Abstract><AbstractText>The heat generation and fluid convection induced by plasmonic nanostructures is attractive for optofluidic applications. However, previously published theoretical studies predict only nanometre per second fluid velocities that are inadequate for microscale mass transport. Here we show both theoretically and experimentally that an array of plasmonic nanoantennas coupled to an optically absorptive indium-tin-oxide (ITO) substrate can generate >micrometre per second fluid convection. Crucially, the ITO distributes thermal energy created by the nanoantennas generating an order of magnitude increase in convection velocities compared with nanoantennas on a SiO2 base layer. In addition, the plasmonic array alters absorption in the ITO, causing a deviation from Beer-Lambert absorption that results in an optimum ITO thickness for a given system. This work elucidates the role of convection in plasmonic optical trapping and particle assembly, and opens up new avenues for controlling fluid and mass transport on the micro- and nanoscale.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Roxworthy</LastName><ForeName>Brian J</ForeName><Initials>BJ</Initials><Affiliation>Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.</Affiliation></Author><Author ValidYN="Y"><LastName>Bhuiya</LastName><ForeName>Abdul M</ForeName><Initials>AM</Initials><Affiliation>Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.</Affiliation></Author><Author ValidYN="Y"><LastName>Vanka</LastName><ForeName>Surya P</ForeName><Initials>SP</Initials><Affiliation>Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.</Affiliation></Author><Author ValidYN="Y"><LastName>Toussaint</LastName><ForeName>Kimani C</ForeName><Initials>KC</Initials><Suffix>Jr</Suffix><Affiliation>Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.</Affiliation></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType><PublicationType>Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Nat Commun</MedlineTA><NlmUniqueID>101528555</NlmUniqueID><ISSNLinking>2041-1723</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>8</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>12</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>1</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>1</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>1</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">ncomms4173</ArticleId><ArticleId IdType="doi">10.1038/ncomms4173</ArticleId><ArticleId IdType="pubmed">24445431</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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