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DC Field | Value | Language |
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dc.contributor.author | KESTERS, Jurgen | - |
dc.contributor.author | VERSTAPPEN, Pieter | - |
dc.contributor.author | VANORMELINGEN, Wouter | - |
dc.contributor.author | DRIJKONINGEN, Jeroen | - |
dc.contributor.author | VANGERVEN, Tim | - |
dc.contributor.author | DEVISSCHER, Dries | - |
dc.contributor.author | MARIN, Lidia | - |
dc.contributor.author | Champagne, Benoit | - |
dc.contributor.author | MANCA, Jean | - |
dc.contributor.author | LUTSEN, Laurence | - |
dc.contributor.author | VANDERZANDE, Dirk | - |
dc.contributor.author | MAES, Wouter | - |
dc.date.accessioned | 2015-04-29T15:04:47Z | - |
dc.date.available | 2015-04-29T15:04:47Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | SOLAR ENERGY MATERIALS AND SOLAR CELLS, 136, p. 70-77 | - |
dc.identifier.issn | 0927-0248 | - |
dc.identifier.uri | http://hdl.handle.net/1942/18808 | - |
dc.description.abstract | Three distinct low bandgap copolymers are synthesized by the combination of N-(2 '-propylpentanoyl)dithieno[3,2-b:2 ',3 '-d]pyrrole (DIP) and (fluorinated) 2,3-bis[5 '-(2 ''-ethylhexyl)thiophen-2 '-yl]quinoxaline (Qx) and these PDTPQx derivatives are investigated as electron donor materials in bulk heterojunction polymer solar cells. Due to the DTP N-acylation and the introduction of the Qx units, both the open-circuit voltage (Voc) and the short-circuit current density (Jsc) increase compared to previous devices based on DTP-type donor polymers. Organic solar cells with an average Voc of 0.67 V, a Jsc of 12.57 mA/cm(2) and a fill factor of 0.54 are obtained, affording a power conversion efficiency of 4.53% (4.81% for the top-performing device), a record value for (N-acyl-)DTP-based polymer solar cells devoid of special interlayer materials. Despite further enhancement of the Voc, the solar cell efficiency declines for the fluorinated PDTPQx copolymers because of the inability to achieve a finely intermixed bulk heterojunction blend nanomorphology. (C) 2015 Elsevier B.V. All rights reserved. | - |
dc.description.sponsorship | This work was supported by the project ORGANEXT (EMR INT4-1.2-2009-04/054), selected in the frame of the operational program INTERREG IV-A Euregio Maas-Rijn, and the IAP 7/05 project FS2 (Functional Supramolecular Systems), granted by the Science Policy Office of the Belgian Federal Government (BELSPO). We are also grateful for financial support by the Research Programme of the Research Foundation - Flanders (FWO) (project G.0415.14N and M.ERA-NET project RADESOL). J. Kesters and J. Drijkoningen thank Hasselt University for their PhD scholarships. P. Verstappen and T. Vangerven acknowledge the Agency for Innovation by Science and Technology in Flanders (BNT) for their PhD grants. The calculations were performed on the computing facilities of the Consortium des Equipements de Calcul Intensif (CECI), in particular those of the Plateforme Technologique de Calcul Intensif (PTCI) installed in the University of Namur, for which the authors acknowledge financial support of the FNRS-FRFC (Conventions No. 2.4.617.07.F and 2.5020.11) and the University of Namur. The authors are grateful to B. Van Mele and N. Van den Brande for the thermal analysis, and H. Penxten for the cyclic voltammetry measurements. We further acknowledge Hercules for providing the funding for the LTQ Orbitrap Velos Pro mass spectrometer. Hasselt University and IMO-IMOMEC are partners within the Solliance network, the strategic alliance for research and development in the field of thin-film PV energy in the Eindhoven-LeuvenAachen region. | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.rights | © 2015 Elsevier B.V. All rights reserved. | - |
dc.subject.other | organic photovoltaics; low bandgap copolymers; dithieno[3,2-b:20 ,30-d]pyrrole; n-acylation; quinoxaline; fluorination | - |
dc.subject.other | Organic photovoltaics; Low bandgap copolymers; Dithieno[3,2-b:2 ',3 '-d]pyrrole; N-acylation; Quinoxaline; Fluorination | - |
dc.title | N-acyl-dithieno[3,2-b:2 ',3 '-d]pyrrole-based low bandgap copolymers affording improved open-circuit voltages and efficiencies in polymer solar cells | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 77 | - |
dc.identifier.spage | 70 | - |
dc.identifier.volume | 136 | - |
local.format.pages | 8 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | Corresponding author at: Design & Synthesis of Organic Semiconductors (DSOS), Institute for Materials Research (IMO-IMOMEC), Hasselt University, Agoralaan 1 – Building D, B-3590 Diepenbeek, Belgium. Tel.: þ32 11268312; fax: þ32 11268299. E-mail address: wouter.maes@uhasselt.be (W. Maes). | - |
local.publisher.place | AMSTERDAM | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.identifier.doi | 10.1016/j.solmat.2014.12.037 | - |
dc.identifier.isi | 000351802200010 | - |
item.validation | ecoom 2016 | - |
item.contributor | KESTERS, Jurgen | - |
item.contributor | VERSTAPPEN, Pieter | - |
item.contributor | VANORMELINGEN, Wouter | - |
item.contributor | DRIJKONINGEN, Jeroen | - |
item.contributor | VANGERVEN, Tim | - |
item.contributor | DEVISSCHER, Dries | - |
item.contributor | MARIN, Lidia | - |
item.contributor | Champagne, Benoit | - |
item.contributor | MANCA, Jean | - |
item.contributor | LUTSEN, Laurence | - |
item.contributor | VANDERZANDE, Dirk | - |
item.contributor | MAES, Wouter | - |
item.accessRights | Restricted Access | - |
item.fullcitation | KESTERS, Jurgen; VERSTAPPEN, Pieter; VANORMELINGEN, Wouter; DRIJKONINGEN, Jeroen; VANGERVEN, Tim; DEVISSCHER, Dries; MARIN, Lidia; Champagne, Benoit; MANCA, Jean; LUTSEN, Laurence; VANDERZANDE, Dirk & MAES, Wouter (2015) N-acyl-dithieno[3,2-b:2 ',3 '-d]pyrrole-based low bandgap copolymers affording improved open-circuit voltages and efficiencies in polymer solar cells. In: SOLAR ENERGY MATERIALS AND SOLAR CELLS, 136, p. 70-77. | - |
item.fulltext | With Fulltext | - |
crisitem.journal.issn | 0927-0248 | - |
crisitem.journal.eissn | 1879-3398 | - |
Appears in Collections: | Research publications |
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kesters 1.pdf Restricted Access | Published version | 1.21 MB | Adobe PDF | View/Open Request a copy |
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