Presentation 2007/1/18
Effects of ZnS:Mn/AlN Multilayer Structure on Operation Properties of Nanostructured Thin-Film EL Device
Kohei Takei, Daisuke ADACHI, Toshihiko TOYAMA, Hiroaki OKAMOTO,
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Abstract(in English) Effects of ZnS:Mn/AlN multilayer structure on luminescent properties of nanostructured (NS) thin-film electroluminescent (TFEL) device of which emission layer is a multilayer composed with ZnS:Mn layers and 0.7-nm-thick AlN interlayers were studied. The band gap widening and the increased PL efficiency of Mn^<2+> 3d-3d transitions with a decrease in the ZnS:Mn single-layer thickness down to 5nm were observed, which is ascribed to confinement effects. Meanwhile, the multilayer with 2-nm-thick ZnS:Mn single-layers shows a drop of PL efficiency, indicating the presence of defective region just on AlN. The tendency of the luminous efficiency of the NS-TFEL device against the ZnS:Mn single-layer thickness is similar to the tendency found in the PL efficiency, indicating the importance of the ZnS:Mn/AlN interface for the device performance.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) nanocrystal / electroluminescence / thin-film / ZnS / display / AlN / interface
Paper # EID2006-46
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Committee EID
Conference Date 2007/1/18(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Effects of ZnS:Mn/AlN Multilayer Structure on Operation Properties of Nanostructured Thin-Film EL Device
Sub Title (in English)
Keyword(1) nanocrystal
Keyword(2) electroluminescence
Keyword(3) thin-film
Keyword(4) ZnS
Keyword(5) display
Keyword(6) AlN
Keyword(7) interface
1st Author's Name Kohei Takei
1st Author's Affiliation Osaka University, Graduate School of Engineering Science()
2nd Author's Name Daisuke ADACHI
2nd Author's Affiliation Osaka University, Graduate School of Engineering Science
3rd Author's Name Toshihiko TOYAMA
3rd Author's Affiliation Osaka University, Graduate School of Engineering Science
4th Author's Name Hiroaki OKAMOTO
4th Author's Affiliation Osaka University, Graduate School of Engineering Science
Date 2007/1/18
Paper # EID2006-46
Volume (vol) vol.106
Number (no) 499
Page pp.pp.-
#Pages 4
Date of Issue