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Paper Abstract and Keywords
Presentation 2010-04-22 10:50
Molecular orientation in amorphous films and device characteristics of OLEDs
Daisuke Yokoyama (Yamagata Univ.), Chihaya Adachi (Kyushu Univ.), Junji Kido (Yamagata Univ.) ED2010-3
Abstract (in Japanese) (See Japanese page) 
(in English) The authors demonstrate the effects of molecular orientation on the electrical characteristics of OLEDs, where organic amorphous films are commonly used. The effects were investigated by the two following ways: (1) the comparison of the two films of different materials which have the similar molecular orbitals and the different orientation, and (2) the comparison of the two films of the same material where the orientation are different from each other by a orientation control during deposition. In the both cases, the films with a horizontal molecular orientation showed much higher carrier mobilities than those with a random orientation, demonstrating that the molecular orientation affects the electrical characteristics of organic devices even in amorphous films. The results offer a new guideline for the molecular design of materials used in OLEDs.
Keyword (in Japanese) (See Japanese page) 
(in English) Organic Amorphous Films / Molecular Orientation / Variable Angle Spectroscopic Ellipsometry / Charge Transport / Carrier Mobility / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 11, ED2010-3, pp. 7-10, April 2010.
Paper # ED2010-3 
Date of Issue 2010-04-15 (ED) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF ED2010-3

Conference Information
Committee ED  
Conference Date 2010-04-22 - 2010-04-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ED 
Conference Code 2010-04-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Molecular orientation in amorphous films and device characteristics of OLEDs 
Sub Title (in English)  
Keyword(1) Organic Amorphous Films  
Keyword(2) Molecular Orientation  
Keyword(3) Variable Angle Spectroscopic Ellipsometry  
Keyword(4) Charge Transport  
Keyword(5) Carrier Mobility  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Daisuke Yokoyama  
1st Author's Affiliation Yamagata University (Yamagata Univ.)
2nd Author's Name Chihaya Adachi  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Junji Kido  
3rd Author's Affiliation Yamagata University (Yamagata Univ.)
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Speaker Author-1 
Date Time 2010-04-22 10:50:00 
Presentation Time 25 minutes 
Registration for ED 
Paper # ED2010-3 
Volume (vol) vol.110 
Number (no) no.11 
Page pp.7-10 
#Pages 4 
Date of Issue 2010-04-15 (ED) 

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