Using the Plasmon Linewidth to Calculate the Time and Efficiency of Electron Transfer between Gold Nanorods and Graphene
Identifieur interne : 000477 ( Ncbi/Curation ); précédent : 000476; suivant : 000478Using the Plasmon Linewidth to Calculate the Time and Efficiency of Electron Transfer between Gold Nanorods and Graphene
Auteurs : Anneli Hoggard [États-Unis] ; Lin-Yung Wang [États-Unis] ; Lulu Ma [États-Unis] ; Ying Fang [États-Unis] ; Ge You [États-Unis] ; Jana Olson [États-Unis] ; Zheng Liu [États-Unis] ; Wei-Shun Chang [États-Unis] ; Pulickel M. Ajayan [États-Unis] ; Stephan Link [États-Unis]Source :
- ACS nano [ 1936-0851 ] ; 2013.
Abstract
We present a quantitative analysis of the electron transfer between single gold nanorods and monolayer graphene under no electrical bias. Using single particle dark-field scattering and photoluminescence spectroscopy to access the homogenous linewidth, we observe broadening of the surface plasmon resonance for gold nanorods on graphene compared to nanorods on a quartz substrate. Because of the absence of spectral plasmon shifts, dielectric interactions between the gold nanorods and graphene are not important and we instead assign the plasmon damping to charge transfer between plasmon-generated hot electrons and the graphene that acts as an efficient acceptor. Analysis of the plasmon linewidth yields an average electron transfer time of 160 ± 30 fs, which is otherwise difficult to measure directly in the time domain with single particle sensitivity. In comparison to intrinsic hot electron decay and radiative relaxation, we furthermore calculate from the plasmon linewidth that charge transfer between the gold nanorods and the graphene support occurs with an efficiency of ~ 10%. Our results are important for future applications of light harvesting with metal nanoparticle plasmons and efficient hot electron acceptors as well as for understanding hot electron transfer in plasmon-assisted chemical reactions.
Url:
DOI: 10.1021/nn404985h
PubMed: 24266755
PubMed Central: 3932108
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United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Laboratory for Nanophotonics, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Lin Yung" sort="Wang, Lin Yung" uniqKey="Wang L" first="Lin-Yung" last="Wang">Lin-Yung Wang</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Chemistry, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Chemistry, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A2">Laboratory for Nanophotonics, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Laboratory for Nanophotonics, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="Ma, Lulu" sort="Ma, Lulu" uniqKey="Ma L" first="Lulu" last="Ma">Lulu Ma</name><affiliation wicri:level="1"><nlm:aff id="A3">Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="Fang, Ying" sort="Fang, Ying" uniqKey="Fang Y" first="Ying" last="Fang">Ying Fang</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Chemistry, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Chemistry, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A2">Laboratory for Nanophotonics, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Laboratory for Nanophotonics, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="You, Ge" sort="You, Ge" uniqKey="You G" first="Ge" last="You">Ge You</name><affiliation wicri:level="1"><nlm:aff id="A3">Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="Olson, Jana" sort="Olson, Jana" uniqKey="Olson J" first="Jana" last="Olson">Jana Olson</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Chemistry, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Chemistry, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A2">Laboratory for Nanophotonics, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Laboratory for Nanophotonics, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="Liu, Zheng" sort="Liu, Zheng" uniqKey="Liu Z" first="Zheng" last="Liu">Zheng Liu</name><affiliation wicri:level="1"><nlm:aff id="A3">Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="Chang, Wei Shun" sort="Chang, Wei Shun" uniqKey="Chang W" first="Wei-Shun" last="Chang">Wei-Shun Chang</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Chemistry, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Chemistry, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A2">Laboratory for Nanophotonics, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Laboratory for Nanophotonics, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="Ajayan, Pulickel M" sort="Ajayan, Pulickel M" uniqKey="Ajayan P" first="Pulickel M." last="Ajayan">Pulickel M. Ajayan</name><affiliation wicri:level="1"><nlm:aff id="A3">Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author><author><name sortKey="Link, Stephan" sort="Link, Stephan" uniqKey="Link S" first="Stephan" last="Link">Stephan Link</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Chemistry, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Chemistry, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A2">Laboratory for Nanophotonics, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Laboratory for Nanophotonics, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A4">Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, United States</nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005</wicri:regionArea><wicri:noRegion>Texas 77005</wicri:noRegion></affiliation></author></analytic><series><title level="j">ACS nano</title><idno type="ISSN">1936-0851</idno><idno type="eISSN">1936-086X</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">We present a quantitative analysis of the electron transfer between single gold nanorods and monolayer graphene under no electrical bias. Using single particle dark-field scattering and photoluminescence spectroscopy to access the homogenous linewidth, we observe broadening of the surface plasmon resonance for gold nanorods on graphene compared to nanorods on a quartz substrate. Because of the absence of spectral plasmon shifts, dielectric interactions between the gold nanorods and graphene are not important and we instead assign the plasmon damping to charge transfer between plasmon-generated hot electrons and the graphene that acts as an efficient acceptor. Analysis of the plasmon linewidth yields an average electron transfer time of 160 ± 30 fs, which is otherwise difficult to measure directly in the time domain with single particle sensitivity. In comparison to intrinsic hot electron decay and radiative relaxation, we furthermore calculate from the plasmon linewidth that charge transfer between the gold nanorods and the graphene support occurs with an efficiency of ~ 10%. Our results are important for future applications of light harvesting with metal nanoparticle plasmons and efficient hot electron acceptors as well as for understanding hot electron transfer in plasmon-assisted chemical reactions.</p></div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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