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Photo-switching behavior of CdS nanoparticles doped in a polymer film

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Title: Photo-switching behavior of CdS nanoparticles doped in a polymer film
Authors: Ohara, Yuhki Browse this author
Nakabayashi, Takakazu Browse this author
Iwasaki, Kentaro Browse this author
Torimoto, Tsukasa Browse this author
Ohtani, Bunsho Browse this author →KAKEN DB
Ohta, Nobuhiro Browse this author →KAKEN DB
Keywords: Cds nanoparticle
absorption et emission
photoswitching behavior
electric field effects
Issue Date: May-2006
Journal Title: Comptes rendus chimie
Volume: 9
Issue: 5-6
Start Page: 742
End Page: 749
Publisher DOI: 10.1016/j.crci.2005.02.040
Abstract: Light-emission intensity of CdS nanoparticles doped in a PMMA film is enhanced by a UV irradiation in air, but the emission intensity is strongly de-enhanced at a low pressure of 10−5 torr. Atmospheric gas as well as UV irradiation is essential for the enhancement, and these enhancement and de-enhancement processes are almost completely reversible. The emission of CdS nanoparticles doped in a PMMA film is also quenched by applying an external electric field, suggesting that the non-radiative decay rate from the emissive exciton state is accelerated by an external electric field
Rights: Copyright © 2005 Académie des sciences Published by Elsevier SAS
Type: article (author version)
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 太田 信廣

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