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Title: Energy transfer from semiconductor nanocrystal monolayers to metal surfaces revealed by time-resolved photoluminescence spectroscopy
Authors: Ueda, Akihiro
Tayagaki, Takeshi  KAKEN_id
Kanemitsu, Yoshihiko  kyouindb  KAKEN_id
Author's alias: 金光, 義彦
Issue Date: Apr-2008
Publisher: American Institute of Physics
Journal title: Applied Physics Letters
Volume: 92
Issue: 13
Thesis number: 133118
Abstract: We studied photoluminescence (PL) and energy transfer dynamics in CdSe nanocrystal (NC) assembled monolayers on Au surfaces. The close-packed CdSe NC monolayers were fabricated using the Langmuir–Blodgett method on spin-coated inert polymer films on rough-surface Au substrates. The PL intensity and PL decay time were dependent on the distance between the CdSe NCs and Au surfaces. These observations indicate that the metal-semiconductor distance and the luminescence-energy dependences of the energy transfer rate can be understood in terms of the Coulomb interaction between excitons in NCs and plasmons on the Au surfaces.
Rights: c 2008 American Institute of Physics.
DOI(Published Version): 10.1063/1.2906369
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