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Paper Abstract and Keywords
Presentation 2020-01-23 13:55
[Poster Presentation] Improvement in Power Conversion Efficiency of OPV using Controlled pn Hetero-Interface Structure
Kyohei Ogiso, Yasufumi Iimura (TAT) EID2019-8
Abstract (in Japanese) (See Japanese page) 
(in English) Power generation efficiency (PCE) of organic photovoltaics (OPV) is known to be improved as the area of the pn junction increases. In this study, we aim to improve PCE by controlling the structure of the pn junction for increasing the junction area. We conduct two types of methods to control the junction structure; by using (1) the difference in surface diffusion of evaporated fullerene molecules or (2) the difference in wettability of TiO2 solution on the patterned SAM-coated surface. In the case of the method (1), selective deposition of fullerene film is done. But the pattern size is proved to be limited with the surface diffusion length of evaporated fullerene molecules. In the case of the method (2), smaller TiO2 pattern than that of the first method is achieved, and the improvement of PCE is confirmed by the sample using the second method.
Keyword (in Japanese) (See Japanese page) 
(in English) Organic Photovoltaics (OPV) / SAM / UV patterning / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 385, EID2019-8, pp. 41-44, Jan. 2020.
Paper # EID2019-8 
Date of Issue 2020-01-16 (EID) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EID2019-8

Conference Information
Conference Date 2020-01-23 - 2020-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Tottori Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EID 
Conference Code 2020-01-EID-IDY-SSL-JC-EDD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement in Power Conversion Efficiency of OPV using Controlled pn Hetero-Interface Structure 
Sub Title (in English)  
Keyword(1) Organic Photovoltaics (OPV)  
Keyword(2) SAM  
Keyword(3) UV patterning  
1st Author's Name Kyohei Ogiso  
1st Author's Affiliation Tokyo University of Agriculture and Technology (TAT)
2nd Author's Name Yasufumi Iimura  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (TAT)
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Date Time 2020-01-23 13:55:00 
Presentation Time
Registration for EID 
Paper # IEICE-EID2019-8 
Volume (vol) IEICE-119 
Number (no) no.385 
Page pp.41-44 
#Pages IEICE-4 
Date of Issue IEICE-EID-2020-01-16 

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