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Paper Abstract and Keywords
Presentation 2009-12-11 11:50
Surface Plasmon Mediated Light Emission and its Peak Wavelength in Organic Light-Emitting Diodes
Yoshiaki Satoh, Akihiko Teramura, Yoshihiko Sakuma, Syuuji Kojima, Kenichi Kasahara (Ritsumeikan Univ.), Takeo Otsuka (Osaka Univ.), Nobuhito Miura (Kaneka Corp.) LQE2009-144
Abstract (in Japanese) (See Japanese page) 
(in English) Phosphorescent organic devices use light emitted from the relaxation of triplet excitons, and high luminous efficiencies have been obtained in green and red devices. Achieving high luminous efficiency in the short wavelength region, which has not yet been attained, is critical to organic EL-used displays and lighting. We have examined the possibility of improving the luminous efficiency through the surface plasmon. We measured the photoluminescence and electroluminescence spectra for two kinds of phosphorescent organic devices. One of the devices used CBP: Ir(ppy)3 and the other used CBP: Ir(ppy)3/CBP as the emission layer. Light emission of around 430 nm, which was considered to originate from the surface plasmon, was observed only in the CBP: Ir(ppy)3/CBP devices. It didn’t, however, appear in the CBP: Ir(ppy)3 devices. It was found that the wavelength of 430 nm was situated at a wavelength longer than the plasma wavelength.
Keyword (in Japanese) (See Japanese page) 
(in English) phosphorescent organic devices / electroluminescence / plasmon / CBP: Ir(ppy)3 / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 331, LQE2009-144, pp. 31-35, Dec. 2009.
Paper # LQE2009-144 
Date of Issue 2009-12-04 (LQE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee LQE  
Conference Date 2009-12-11 - 2009-12-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2009-12-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Surface Plasmon Mediated Light Emission and its Peak Wavelength in Organic Light-Emitting Diodes 
Sub Title (in English)  
Keyword(1) phosphorescent organic devices  
Keyword(2) electroluminescence  
Keyword(3) plasmon  
Keyword(4) CBP: Ir(ppy)3  
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1st Author's Name Yoshiaki Satoh  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Akihiko Teramura  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Yoshihiko Sakuma  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
4th Author's Name Syuuji Kojima  
4th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
5th Author's Name Kenichi Kasahara  
5th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
6th Author's Name Takeo Otsuka  
6th Author's Affiliation Osaka University (Osaka Univ.)
7th Author's Name Nobuhito Miura  
7th Author's Affiliation Kabeka Corporation (Kaneka Corp.)
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Speaker Author-1 
Date Time 2009-12-11 11:50:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # LQE2009-144 
Volume (vol) vol.109 
Number (no) no.331 
Page pp.31-35 
#Pages 5 
Date of Issue 2009-12-04 (LQE) 

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