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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 4 — Feb. 16, 2009
  • pp: 2714–2721

Plasmon enhanced luminescence from fullerene molecules excited by local electron tunneling

Frédéric Rossel, Marina Pivetta, François Patthey, and Wolf-Dieter Schneider  »View Author Affiliations


Optics Express, Vol. 17, Issue 4, pp. 2714-2721 (2009)
http://dx.doi.org/10.1364/OE.17.002714


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Abstract

Tunneling electrons from a scanning tunneling microscope (STM) induce luminescence from C60 and C70 molecules forming fullerene nanocrystals grown on ultrathin NaCl films on Au(111). Intramolecular fluorescence and phosphorescence associated with the transitions between the lowest electronic excited state and ground state of C70 molecules are identified, leading to unambiguous chemical recognition on the nanoscale. Moreover we demonstrate that the molecular luminescence is selectively enhanced by localized surface plasmons in the STM tip-sample gap.

© 2009 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(240.7040) Optics at surfaces : Tunneling
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(300.6390) Spectroscopy : Spectroscopy, molecular

ToC Category:
Optics at Surfaces

History
Original Manuscript: January 6, 2009
Revised Manuscript: February 5, 2009
Manuscript Accepted: February 5, 2009
Published: February 10, 2009

Citation
Frédéric Rossel, Marina Pivetta, François Patthey, and Wolf-Dieter Schneider, "Plasmon enhanced luminescence from fullerene molecules excited by local electron tunneling," Opt. Express 17, 2714-2721 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-4-2714


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