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Observation of Multi-Directional Energy Transfer in a Hybrid Plasmonic–Excitonic Nanostructure

Pincelli, Tommaso (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Institut für Optik und Atomare Physik, Technische Universität Berlin, Straße des 17. Juni 135, 10623, Berlin, Germany, Straße des 17. Juni 135
Vasileiadis, Thomas (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Faculty of Physics, Adam Mickiewicz University, Uniwersytetu Poznanskiego 2, Poznan, 61-614, Poland, Uniwersytetu Poznanskiego 2
Dong, Shuo (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6
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Beaulieu, Samuel (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Université de Bordeaux - CNRS - CEA, CELIA, UMR5107, Talence, F33405, France, CELIA, UMR5107
Dendzik, Maciej (author)
KTH,Material- och nanofysik,Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6
Zahn, Daniela (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6
Lee, Sang Eun (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6
Seiler, Hélène (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany, Arnimallee 14
Qi, Yingpeng (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Center for Ultrafast Science and Technology, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China
Xian, R. Patrick (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Department of Statistical Sciences, University of Toronto, 700 University Avenue, Toronto, M5G 1Z5, Canada, 700 University Avenue
Maklar, Julian (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6
Coy, Emerson (author)
NanoBioMedical Centre, Adam Mickiewicz University, ul. Wszechnicy Piastowskiej 3, Poznań, PL 61614, Poland, ul. Wszechnicy Piastowskiej 3
Mueller, Niclas S. (author)
Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany, Arnimallee 14; NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, University of Cambridge, JJ Thomson Avenue, Cambridge, CB30HE, UK, JJ Thomson Avenue
Okamura, Yu (author)
Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany, Arnimallee 14
Reich, Stephanie (author)
Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany, Arnimallee 14
Wolf, Martin (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6
Rettig, Laurenz (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6
Ernstorfer, Ralph (author)
Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Institut für Optik und Atomare Physik, Technische Universität Berlin, Straße des 17. Juni 135, 10623, Berlin, Germany, Straße des 17. Juni 135
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Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Institut für Optik und Atomare Physik, Technische Universität Berlin, Straße des 17 Juni 135, 10623, Berlin, Germany, Straße des 17. Juni 135 Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195, Berlin, Germany, Faradayweg 4-6; Faculty of Physics, Adam Mickiewicz University, Uniwersytetu Poznanskiego 2, Poznan, 61-614, Poland, Uniwersytetu Poznanskiego 2 (creator_code:org_t)
2023-01-02
2023
English.
In: Advanced Materials. - : Wiley. - 0935-9648 .- 1521-4095. ; 35:9
Related links:
https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Hybrid plasmonic devices involve a nanostructured metal supporting localized surface plasmons to amplify light–matter interaction, and a non-plasmonic material to functionalize charge excitations. Application-relevant epitaxial heterostructures, however, give rise to ballistic ultrafast dynamics that challenge the conventional semiclassical understanding of unidirectional nanometal-to-substrate energy transfer. Epitaxial Au nanoislands are studied on WSe2 with time- and angle-resolved photoemission spectroscopy and femtosecond electron diffraction: this combination of techniques resolves material, energy, and momentum of charge-carriers and phonons excited in the heterostructure. A strong non-linear plasmon–exciton interaction that transfers the energy of sub-bandgap photons very efficiently to the semiconductor is observed, leaving the metal cold until non-radiative exciton recombination heats the nanoparticles on hundreds of femtoseconds timescales. The results resolve a multi-directional energy exchange on timescales shorter than the electronic thermalization of the nanometal. Electron–phonon coupling and diffusive charge-transfer determine the subsequent energy flow. This complex dynamics opens perspectives for optoelectronic and photocatalytic applications, while providing a constraining experimental testbed for state-of-the-art modelling.

Subject headings

NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Keyword

2D semiconductors
femtosecond electron diffraction
hybrid plasmonics
interfacial charge transfer
light–matter interactions

Publication and Content Type

ref (subject category)
art (subject category)

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