Evolution of light-induced vapor generation at a liquid-immersed metallic nanoparticle

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dc.citation.firstpage1736
dc.citation.issueNumber4
dc.citation.journalTitleNano Letters
dc.citation.lastpage1742
dc.citation.volumeNumber13
dc.contributor.authorFang, Zheyu
dc.contributor.authorZhen, Yu-Rong
dc.contributor.authorNeumann, Oara
dc.contributor.authorPolman, Albert
dc.contributor.authorde Abajo, F. Javier García
dc.contributor.authorNordlander, Peter
dc.contributor.authorHalas, Naomi J.
dc.contributor.orgLaboratory for Nanophotonics
dc.date.accessioned2014-10-06T17:18:00Z
dc.date.available2014-10-06T17:18:00Z
dc.date.issued2013
dc.description.abstractWhen an Au nanoparticle in a liquid medium is illuminated with resonant light of sufficient intensity, a nanometer scale envelope of vapor -a “nanobubble”- surrounding the particle, is formed. This is the nanoscale onset of the well-known process of liquid boiling, occurring at a single nanoparticle nucleation site, resulting from the photothermal response of the nanoparticle. Here we examine bubble formation at an individual metallic nanoparticle in detail. Incipient nanobubble formation is observed by monitoring the plasmon resonance shift of an individual, illuminated Au nanoparticle, when its local environment changes from liquid to vapor. The temperature on the nanoparticle surface is monitored during this process, where a dramatic temperature jump is observed as the nanoscale vapor layer thermally decouples the nanoparticle from the surrounding liquid. By increasing the intensity of the incident light or decreasing the interparticle separation, we observe the formation of micron sized bubbles resulting from the coalescence of nanoparticle-“bound” vapor envelopes. These studies provide the first direct and quantitative analysis of the evolution of light-induced steam generation by nanoparticles from the nanoscale to the macroscale, a process that is of fundamental interest for a growing number of applications.
dc.identifier.citationFang, Zheyu, Zhen, Yu-Rong, Neumann, Oara, et al.. "Evolution of light-induced vapor generation at a liquid-immersed metallic nanoparticle." <i>Nano Letters,</i> 13, no. 4 (2013) American Chemical Society: 1736-1742. http://dx.doi.org/10.1021/nl4003238.
dc.identifier.doihttp://dx.doi.org/10.1021/nl4003238
dc.identifier.urihttps://hdl.handle.net/1911/77395
dc.language.isoeng
dc.publisherAmerican Chemical Society
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by the American Chemical Society.
dc.subject.keywordplasmonic heating
dc.subject.keywordAu nanoparticle
dc.subject.keywordLSPR
dc.subject.keywordnanobubble
dc.subject.keywordmicrobubble
dc.titleEvolution of light-induced vapor generation at a liquid-immersed metallic nanoparticle
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpost-print
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