Nonlinear Photoluminescence Spectrum of Single Gold Nanostructures

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2015
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Zusammenfassung

We investigate the multiphoton photoluminescence characteristics of gold nanoantennas fabricated from single crystals and polycrystalline films. By exciting these nanostructures with ultrashort pulses tunable in the near-infrared range, we observe distinct features in the broadband photoluminescence spectrum. By comparing antennas of different crystallinity and shape, we demonstrate that the nanoscopic geometry of plasmonic devices determines the shape of the emission spectra. Our findings rule out the contribution of the gold band structure in shaping the photoluminescence.

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530 Physik
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nanoplasmonics, nanoantennas, nonlinear optics, photoluminescence, multiphoton processes, third-harmonic generation
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ISO 690KNITTEL, Vanessa, Marco P. FISCHER, Tjaard DE ROO, Stefan MECKING, Alfred LEITENSTORFER, Daniele BRIDA, 2015. Nonlinear Photoluminescence Spectrum of Single Gold Nanostructures. In: ACS Nano. 2015, 9(1), pp. 894-900. ISSN 1936-0851. eISSN 1936-086X. Available under: doi: 10.1021/nn5066233
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@article{Knittel2015Nonli-30076,
  year={2015},
  doi={10.1021/nn5066233},
  title={Nonlinear Photoluminescence Spectrum of Single Gold Nanostructures},
  number={1},
  volume={9},
  issn={1936-0851},
  journal={ACS Nano},
  pages={894--900},
  author={Knittel, Vanessa and Fischer, Marco P. and de Roo, Tjaard and Mecking, Stefan and Leitenstorfer, Alfred and Brida, Daniele}
}
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