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Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes

The vertical composition profile of active layer has a major effect on the performance of organic photovoltaic devices (OPVs). While stepwise deposition of different materials is a conceptually straightforward method for controlled preparation of multi-component active layers, it is practically chal...

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Autores principales: Yamaguchi, Yuji, Suzuki, Mitsuharu, Motoyama, Takao, Sugii, Shuhei, Katagiri, Chiho, Takahira, Katsuya, Ikeda, Shinya, Yamada, Hiroko, Nakayama, Ken-ichi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5384075/
https://www.ncbi.nlm.nih.gov/pubmed/25413952
http://dx.doi.org/10.1038/srep07151
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author Yamaguchi, Yuji
Suzuki, Mitsuharu
Motoyama, Takao
Sugii, Shuhei
Katagiri, Chiho
Takahira, Katsuya
Ikeda, Shinya
Yamada, Hiroko
Nakayama, Ken-ichi
author_facet Yamaguchi, Yuji
Suzuki, Mitsuharu
Motoyama, Takao
Sugii, Shuhei
Katagiri, Chiho
Takahira, Katsuya
Ikeda, Shinya
Yamada, Hiroko
Nakayama, Ken-ichi
author_sort Yamaguchi, Yuji
collection PubMed
description The vertical composition profile of active layer has a major effect on the performance of organic photovoltaic devices (OPVs). While stepwise deposition of different materials is a conceptually straightforward method for controlled preparation of multi-component active layers, it is practically challenging for solution processes because of dissolution of the lower layer. Herein, we overcome this difficulty by employing the photoprecursor approach, in which a soluble photoprecursor is solution-deposited then photoconverted in situ to a poorly soluble organic semiconductor. This approach enables solution-processing of the p-i-n triple-layer architecture that has been suggested to be effective in obtaining efficient OPVs. We show that, when 2,6-dithienylanthracene and a fullerene derivative PC(71)BM are used as donor and acceptor, respectively, the best p-i-n OPV affords a higher photovoltaic efficiency than the corresponding p-n device by 24% and bulk-heterojunction device by 67%. The photoprecursor approach is also applied to preparation of three-component p-i-n films containing another donor 2,6-bis(5′-(2-ethylhexyl)-(2,2′-bithiophen)-5-yl)anthracene in the i-layer to provide a nearly doubled efficiency as compared to the original two-component p-i-n system. These results indicate that the present approach can serve as an effective means for controlled preparation of well-performing multi-component active layers in OPVs and related organic electronic devices.
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spelling pubmed-53840752017-04-12 Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes Yamaguchi, Yuji Suzuki, Mitsuharu Motoyama, Takao Sugii, Shuhei Katagiri, Chiho Takahira, Katsuya Ikeda, Shinya Yamada, Hiroko Nakayama, Ken-ichi Sci Rep Article The vertical composition profile of active layer has a major effect on the performance of organic photovoltaic devices (OPVs). While stepwise deposition of different materials is a conceptually straightforward method for controlled preparation of multi-component active layers, it is practically challenging for solution processes because of dissolution of the lower layer. Herein, we overcome this difficulty by employing the photoprecursor approach, in which a soluble photoprecursor is solution-deposited then photoconverted in situ to a poorly soluble organic semiconductor. This approach enables solution-processing of the p-i-n triple-layer architecture that has been suggested to be effective in obtaining efficient OPVs. We show that, when 2,6-dithienylanthracene and a fullerene derivative PC(71)BM are used as donor and acceptor, respectively, the best p-i-n OPV affords a higher photovoltaic efficiency than the corresponding p-n device by 24% and bulk-heterojunction device by 67%. The photoprecursor approach is also applied to preparation of three-component p-i-n films containing another donor 2,6-bis(5′-(2-ethylhexyl)-(2,2′-bithiophen)-5-yl)anthracene in the i-layer to provide a nearly doubled efficiency as compared to the original two-component p-i-n system. These results indicate that the present approach can serve as an effective means for controlled preparation of well-performing multi-component active layers in OPVs and related organic electronic devices. Nature Publishing Group 2014-11-21 /pmc/articles/PMC5384075/ /pubmed/25413952 http://dx.doi.org/10.1038/srep07151 Text en Copyright © 2014, Macmillan Publishers Limited. All rights reserved http://creativecommons.org/licenses/by-nc-nd/4.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/
spellingShingle Article
Yamaguchi, Yuji
Suzuki, Mitsuharu
Motoyama, Takao
Sugii, Shuhei
Katagiri, Chiho
Takahira, Katsuya
Ikeda, Shinya
Yamada, Hiroko
Nakayama, Ken-ichi
Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes
title Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes
title_full Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes
title_fullStr Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes
title_full_unstemmed Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes
title_short Photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes
title_sort photoprecursor approach as an effective means for preparing multilayer organic semiconducting thin films by solution processes
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5384075/
https://www.ncbi.nlm.nih.gov/pubmed/25413952
http://dx.doi.org/10.1038/srep07151
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