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An arylene-vinylene based donor-acceptor-donor small molecule for the donor compound in high-voltage organic solar cells
Umeå University, Faculty of Science and Technology, Department of Chemistry. Department of Chemistry, University of Agriculture, Faisalabad 38040, Pakistan.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
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2016 (English)In: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 155, 348-355 p.Article in journal (Refereed) Published
Abstract [en]

A donor-acceptor-donor (D-A-D) molecule has been designed and synthesized for use as the electron donating material in solution-processed small-molecule organic solar cells (OSCs). The D-A-D molecule comprises a central electron-accepting (2Z,2'Z)-2,2'-(2,5-bis(octyloxy)-1,4-phenylene)bis(3-(thiophen-2-yl)acry lonitrile) (ZOPTAN) core, which is chemically connected to two peripheral and electron-donating triphenylamine (TPA) units. The ZOPTAN-TPA molecule features a low HOMO level of -5.2 eV and an optical energy gap of 2.1 eV. Champion OSCs based on a solution-processed and non-annealed active material blend of [6,6]-phenyl-C-61-butyric acid methyl ester (PCBM) and ZOPTAN-TPA in a mass ratio of 2:1 exhibits a power conversion efficiency of 1.9% and a high open-circuit voltage of 1.0 V. 

Place, publisher, year, edition, pages
2016. Vol. 155, 348-355 p.
Keyword [en]
Organic solar cell, Small-molecule donor, Fullerene acceptor, Solution processing, High open-circuit ltage, Thermal stability
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:umu:diva-126290DOI: 10.1016/j.solmat.2016.06.018ISI: 000381529100040OAI: oai:DiVA.org:umu-126290DiVA: diva2:1045122
Available from: 2016-11-08 Created: 2016-10-03 Last updated: 2016-11-08Bibliographically approved

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Iqbal, JavedEnevold, JennyLarsen, ChristianWang, JiaRevoju, SrikanthBarzegar, Hamid RezaWågberg, ThomasEliasson, BertilEdman, Ludvig
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Department of ChemistryDepartment of Physics
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Solar Energy Materials and Solar Cells
Atom and Molecular Physics and Optics

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