Please use this identifier to cite or link to this item:
http://hdl.handle.net/1942/31178
Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Van den Brande, Niko | - |
dc.contributor.author | Defour, Maxime | - |
dc.contributor.author | DEVISSCHER, Dries | - |
dc.contributor.author | VERSTAPPEN, Pieter | - |
dc.contributor.author | REEKMANS, Gunter | - |
dc.contributor.author | D'HAEN, Jan | - |
dc.contributor.author | ADRIAENSENS, Peter | - |
dc.contributor.author | MAES, Wouter | - |
dc.contributor.author | Van Assche, Guy | - |
dc.contributor.author | Van Mele, Bruno | - |
dc.date.accessioned | 2020-05-21T14:19:18Z | - |
dc.date.available | 2020-05-21T14:19:18Z | - |
dc.date.issued | 2020 | - |
dc.date.submitted | 2020-05-19T11:53:50Z | - |
dc.identifier.citation | JOURNAL OF PHYSICAL CHEMISTRY C, 124 (13) , p. 7566 -7577 | - |
dc.identifier.uri | http://hdl.handle.net/1942/31178 | - |
dc.description.abstract | A comprehensive study was undertaken to obtain a more fundamental understanding of the phase behavior of the p-DTS-(FBTTh2)(2):PC71BM system, used in small molecule organic solar cells, with a strong focus on the amorphous phase and its influence on crystallinity. Three dedicated thermal protocols were used in combination with advanced thermal analysis, solid-state NMR, and wide-angle X-ray diffraction. Rapid cooling, to avoid structure formation and gain insight in the amorphous phase, and slow cooling, to promote structure formation, were used as limiting cases to explain the intermediate behavior after device processing from solution. A complete state diagram was developed, and the glass transition (T-g)-composition relationship was determined. In the case of slow cooling and the procedure used for device processing, the rapid crystallization of p-DTS(FBTTh2)(2) leads to an enrichment of the amorphous phase in PC71BM, increasing its T-g and causing vitrification of the mixed amorphous phase before crystallization when the total amount of PC71BM exceeds 70 wt %. The common processing additive 1,8-diiodooctane (DIO) was found to lead to a lower p-DTS(FBTTh2)(2) crystallinity and smaller average crystal size. More importantly, it acts as a strong plasticizer, lowering T-g significantly and thus reducing the morphological stability of the p-DTS(FBTTh2)(2):PC71BM mixtures. | - |
dc.description.sponsorship | The authors acknowledge the financial support of the Agency for Innovation by Science and Technology (IWT) (Ph.D. fellowship to M.D.) and the Research Foundation - Flanders (FWO-Vlaanderen) (project G0B2718N and postdoctoral fellowship to P.V.). The XRD measurements were performed by Bart Ruttens in the group of Jan D'Haen at Hasselt University. This work is supported by Hasselt University and the Research Foundation Flanders (FWO-Vlaanderen; Hercules project GOH3816NAUHL). | - |
dc.language.iso | en | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.rights | 2020 American Chemical Society | - |
dc.subject.other | Solar-Cells | - |
dc.subject.other | Glass-Transition | - |
dc.subject.other | Isothermal Crystallization | - |
dc.subject.other | Performance | - |
dc.subject.other | Blends | - |
dc.subject.other | Impact | - |
dc.subject.other | Efficiency | - |
dc.subject.other | Semiconductors | - |
dc.subject.other | Morphology | - |
dc.subject.other | Polymers | - |
dc.title | Phase Behavior in the Active Layer of Small Molecule Organic Photovoltaics: State Diagram of p-DTS(FBTTh2)(2):PC71BM | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 7577 | - |
dc.identifier.issue | 13 | - |
dc.identifier.spage | 7566 | - |
dc.identifier.volume | 124 | - |
local.format.pages | 12 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | Van den Brande, N (reprint author), Vrije Univ Brussel, Phys Chem & Polymer Sci FYSC, B-1050 Brussels, Belgium. | - |
dc.description.notes | npvdbran@vub.be | - |
dc.description.other | Van den Brande, N (reprint author), Vrije Univ Brussel, Phys Chem & Polymer Sci FYSC, B-1050 Brussels, Belgium. npvdbran@vub.be | - |
local.publisher.place | 1155 16TH ST, NW, WASHINGTON, DC 20036 USA | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.source.type | Article | - |
dc.identifier.doi | 10.1021/acs.jpcc.0c00808 | - |
dc.identifier.isi | WOS:000526328500063 | - |
dc.contributor.orcid | Maes, Wouter/0000-0001-7883-3393 | - |
dc.identifier.eissn | 1932-7455 | - |
local.provider.type | wosris | - |
local.uhasselt.uhpub | yes | - |
local.uhasselt.international | no | - |
item.contributor | Van den Brande, Niko | - |
item.contributor | Defour, Maxime | - |
item.contributor | DEVISSCHER, Dries | - |
item.contributor | VERSTAPPEN, Pieter | - |
item.contributor | REEKMANS, Gunter | - |
item.contributor | D'HAEN, Jan | - |
item.contributor | ADRIAENSENS, Peter | - |
item.contributor | MAES, Wouter | - |
item.contributor | Van Assche, Guy | - |
item.contributor | Van Mele, Bruno | - |
item.validation | ecoom 2021 | - |
item.fullcitation | Van den Brande, Niko; Defour, Maxime; DEVISSCHER, Dries; VERSTAPPEN, Pieter; REEKMANS, Gunter; D'HAEN, Jan; ADRIAENSENS, Peter; MAES, Wouter; Van Assche, Guy & Van Mele, Bruno (2020) Phase Behavior in the Active Layer of Small Molecule Organic Photovoltaics: State Diagram of p-DTS(FBTTh2)(2):PC71BM. In: JOURNAL OF PHYSICAL CHEMISTRY C, 124 (13) , p. 7566 -7577. | - |
item.accessRights | Open Access | - |
item.fulltext | With Fulltext | - |
crisitem.journal.issn | 1932-7447 | - |
crisitem.journal.eissn | 1932-7455 | - |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
nico.pdf Restricted Access | Published version | 1.67 MB | Adobe PDF | View/Open Request a copy |
phases ha.pdf | Peer-reviewed author version | 2.36 MB | Adobe PDF | View/Open |
WEB OF SCIENCETM
Citations
1
checked on Apr 23, 2024
Page view(s)
60
checked on Sep 7, 2022
Download(s)
50
checked on Sep 7, 2022
Google ScholarTM
Check
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.