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Title: Energy transfer in mixed CdSe and Au nanoparticle monolayers studied by simultaneous photoluminescence and Raman spectral measurements
Authors: Kawai, Masaki
Yamamoto, Aishi
Matsuura, Norihiro
Kanemitsu, Yoshihiko  kyouindb  KAKEN_id
Author's alias: 金光, 義彦
Keywords: cadmium compounds
gold
II-VI semiconductors
monolayers
nanoparticles
photoluminescence
Raman spectra
Issue Date: Oct-2008
Publisher: American Physical Society
Journal title: Physical Review B
Volume: 78
Issue: 15
Thesis number: 153308
Abstract: We report photoluminescence (PL) and Raman-scattering (RS) spectra in close-packed CdSe/Au mixed nanoparticle (NP) monolayers as a function of the ratio of CdSe to Au NPs in the film. The RS intensity showed slight enhancement with an increase in the Au NPs, while the PL intensity decreased dramatically. These results were explained by an energy-transfer (ET) model considering weak electromagnetic-enhancement factors estimated from the RS studies and ET rates from CdSe to Au NPs obtained from the time-resolved PL spectra.
Rights: c 2008 The American Physical Society
URI: http://hdl.handle.net/2433/87348
DOI(Published Version): 10.1103/PhysRevB.78.153308
Appears in Collections:Journal Articles

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