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Paper Abstract and Keywords
Presentation 2011-12-21 13:35
High-efficiency blue-sensitive organic photoconductive device by doping silole derivative
Sho Kimura, Takeshi Fukuda, Zentaro Honda, Norihiko Kamata, Keita Mori, Ken Hatano (Saitama Univ.) OME2011-67 Link to ES Tech. Rep. Archives: OME2011-67
Abstract (in Japanese) (See Japanese page) 
(in English) An organic image sensor has expected for a future sensing device owing to the small size and the high resolution. The organic image sensor consists of three organic photoconductive devices with the selective absorption band at three primary colors, respectively. By now, we have investigated an organic photoconductive device fabricated by a spin-coating process.
In this study, we researched the relationship between the HOMO level of silole derivative and the performance of the blue-sensitive organic photoconductive device with F8BT as a blue-sensitive material and silole derivative as a dopant. As a result, the external quantum efficiency (EQE) and the S/N increased by doping silole derivative with lower HOMO level than F8BT. This result indicates that an improved device performance was attributed to the high-charge separation efficiency in the photoconductive layer by removing holes from F8BT to silole. We also investigated the influence of the doping concentration of NPh3-silole on the device characteristics, the highest EQE of 52 % and S/N of 4.3×104 were realized at the doping concentration of 50 wt%.
Keyword (in Japanese) (See Japanese page) 
(in English) Polyfluorene / Silole derivative / Organic photoconductive device / Charge separation efficiency / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 369, OME2011-67, pp. 7-10, Dec. 2011.
Paper # OME2011-67 
Date of Issue 2011-12-14 (OME) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF OME2011-67 Link to ES Tech. Rep. Archives: OME2011-67

Conference Information
Committee OME  
Conference Date 2011-12-21 - 2011-12-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Sensor, Device, etc 
Paper Information
Registration To OME 
Conference Code 2011-12-OME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-efficiency blue-sensitive organic photoconductive device by doping silole derivative 
Sub Title (in English)  
Keyword(1) Polyfluorene  
Keyword(2) Silole derivative  
Keyword(3) Organic photoconductive device  
Keyword(4) Charge separation efficiency  
1st Author's Name Sho Kimura  
1st Author's Affiliation Saitama University (Saitama Univ.)
2nd Author's Name Takeshi Fukuda  
2nd Author's Affiliation Saitama University (Saitama Univ.)
3rd Author's Name Zentaro Honda  
3rd Author's Affiliation Saitama University (Saitama Univ.)
4th Author's Name Norihiko Kamata  
4th Author's Affiliation Saitama University (Saitama Univ.)
5th Author's Name Keita Mori  
5th Author's Affiliation Saitama University (Saitama Univ.)
6th Author's Name Ken Hatano  
6th Author's Affiliation Saitama University (Saitama Univ.)
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Date Time 2011-12-21 13:35:00 
Presentation Time 20 
Registration for OME 
Paper # IEICE-OME2011-67 
Volume (vol) IEICE-111 
Number (no) no.369 
Page pp.7-10 
#Pages IEICE-4 
Date of Issue IEICE-OME-2011-12-14 

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