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| Presentation | 2015-01-21 15:55 Evaluation of current-voltage characteristics of organic photovoltaic devices by fitting with equivalent circuit model Kazuya Tada (Univ. Hyogo)  OME2014-78 Link to ES Tech. Rep. Archives: OME2014-78 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Due to the expectation for the renewable energy source, photovoltaic devices with novel materials such as organic substances have attracted much attention. To get deeper insight of the device performance, the extraction of device parameters by fitting the illuminated current-voltage characteristics with the 1-diode equivalent circuit model, which consists of an ideal photocurrent source, a diode, and series and parallel resistances, is routinely carried out. In many cases, the forth quadrant of the characteristic is mainly used for this purpose. Although a lot of papers on the efficient fitting computational methods have been published, the features of the model itself in terms of the curve fitting have been rarely discussed. Here, it is shown that the fitting ability of the simple one-diode model is so high that the evaluation of the ideality factor of the diode is difficult, when the target photovoltaic device has sufficiently high series resistance and low parallel resistance. This condition is frequently satisfied by bulk-heterojunction organic thin-film photovoltaic devices. On the other hand, the estimation of the ideality factor from the dark characteristics is found to be rather easy, because of the high parallel resistance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Organic photovoltaic devices / Equivalent circuit / 1-diode model / Fitting / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 393, OME2014-78, pp. 11-14, Jan. 2015. | |
| Paper # | OME2014-78 | |
| Date of Issue | 2015-01-14 (OME) | |
| 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 | OME2014-78 Link to ES Tech. Rep. Archives: OME2014-78 |
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| Conference Information | |
| Committee | OME IEE-DEI |
| Conference Date | 2015-01-21 - 2015-01-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | IMS(Okazaki) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Organic materials, devices and system |
| Paper Information | |
| Registration To | OME |
| Conference Code | 2015-01-OME-DEI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of current-voltage characteristics of organic photovoltaic devices by fitting with equivalent circuit model |
| Sub Title (in English) | |
| Keyword(1) | Organic photovoltaic devices |
| Keyword(2) | Equivalent circuit |
| Keyword(3) | 1-diode model |
| Keyword(4) | Fitting |
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| 1st Author's Name | Kazuya Tada |
| 1st Author's Affiliation | University of Hyogo (Univ. Hyogo) |
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| Speaker | Author-1 |
| Date Time | 2015-01-21 15:55:00 |
| Presentation Time | 15 minutes |
| Registration for | OME |
| Paper # | OME2014-78 |
| Volume (vol) | vol.114 |
| Number (no) | no.393 |
| Page | pp.11-14 |
| #Pages | 4 |
| Date of Issue | 2015-01-14 (OME) |
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