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http://hdl.handle.net/1942/33308
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DC Field | Value | Language |
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dc.contributor.author | CARDEYNAELS, Tom | - |
dc.contributor.author | PAREDIS, Simon | - |
dc.contributor.author | Danos, Andrew | - |
dc.contributor.author | VANDERZANDE, Dirk | - |
dc.contributor.author | Monkman, Andrew P. | - |
dc.contributor.author | Champagne, Benoit | - |
dc.contributor.author | MAES, Wouter | - |
dc.date.accessioned | 2021-02-05T08:34:43Z | - |
dc.date.available | 2021-02-05T08:34:43Z | - |
dc.date.issued | 2021 | - |
dc.date.submitted | 2021-02-02T10:02:52Z | - |
dc.identifier.citation | DYES AND PIGMENTS, 186 (Art N° 109022) | - |
dc.identifier.uri | http://hdl.handle.net/1942/33308 | - |
dc.description.abstract | In the search for high-performance donor-acceptor type organic compounds displaying thermally activated delayed fluorescence (TADF), triisopropylsilyl-protected benzo[1,2-b:4,5-b']dithiophene (BDT-TIPS) is presented as a novel donor component in combination with two known acceptors: dimethyl-9H-thioxanthenedioxide (TXO2) and dibenzo[a,c]phenazinedicarbonitrile (CNQxP). For a broader comparison, the same acceptors are also combined with the well-studied 9,9-dimethyl-9,10-dihydroacridine (DMAC) donor. Optimized BDT-TIPS containing structures show calculated dihedral angles of around 50 degrees and well-separated highest occupied and lowest unoccupied molecular orbitals, although varying singlet-triplet energy gaps are observed experimentally. By changing the acceptor moiety and the resulting ordering of excited states, room temperature phosphorescence (RTP) attributed to localized BDT-TIPS emission is observed for TXO2-BDT-TIPS, whereas CNQ(x)P-BDT-TIPS affords a combination of TADF and triplet-triplet annihilation (TTA) delayed emission. In contrast, strong and pure TADF is well-known for TXO2-DMAC, whereas CNQ(x)P-DMAC shows a mixture of TADF and TTA at very long timescales. Overall, BDT-TIPS represents an alternative low-strength donor component for push-pull type TADF emitters that is also able to induce RTP properties. | - |
dc.description.sponsorship | This work is supported by the University of Namur and Hasselt University [PhD BILA scholarship T. Cardeynaels]. The authors also thank the Research Foundation -Flanders (FWO Vlaanderen) for financial support [project G.0877.18 N, Hercules project GOH3816NAUHL, and SB PhD scholarship S. Paredis]. The calculations were performed on the computers of the " Consortium desequipements de Calcul Intensif (CECI) " (http://www.ceci-hpc.be), including those of the " UNamur Technological Platform of High-Performance Computing (PTCI) " (http://www.ptci.unamur.be), for which we gratefully acknowledge the financial support from the FNRS-FRFC, the Walloon Region, and the University of Namur [Conventions No. 2.5020.11, GEQ U.G006.15, U.G018.19, 1610468, and RW/GEQ2016]. A. Danos and A. P. Monkman are supported by EU Horizon 2020 Grant Agreement No. 732013 (HyperOLED). We thank Alastair Harrison for assistance in collecting spectroscopic data for TXO2-DMAC. | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.rights | 2020 Elsevier Ltd. All rights reserved. | - |
dc.subject.other | Thermally activated delayed fluorescence | - |
dc.subject.other | Organic light-emitting diodes | - |
dc.subject.other | Room temperature phosphorescence | - |
dc.subject.other | Benzo[1 | - |
dc.subject.other | 2-b:4 | - |
dc.subject.other | 5-b']dithiophene | - |
dc.subject.other | Photophysical and quantum-chemical characterizations | - |
dc.title | Benzo[1,2-b:4,5-b']dithiophene as a weak donor component for push-pull materials displaying thermally activated delayed fluorescence or room temperature phosphorescence | - |
dc.type | Journal Contribution | - |
dc.identifier.volume | 186 | - |
local.format.pages | 9 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | Maes, W (corresponding author), Hasselt Univ, Inst Mat Res IMO IMOMEC, Design & Synth Organ Semicond DSOS, Agoralaan 1, B-3590 Diepenbeek, Belgium.; Maes, W (corresponding author), IMEC, IMOMEC Div, Wetenschapspk 1, B-3590 Diepenbeek, Belgium. | - |
dc.description.notes | wouter.maes@uhasselt.be | - |
dc.description.other | Maes, W (corresponding author), Hasselt Univ, Inst Mat Res IMO IMOMEC, Design & Synth Organ Semicond DSOS, Agoralaan 1, B-3590 Diepenbeek, Belgium. Hasselt Univ, Inst Mat Res IMO IMOMEC, Design & Synth Organ Semicond DSOS, Agoralaan 1, B-3590 Diepenbeek, Belgium. wouter.maes@uhasselt.be | - |
local.publisher.place | THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
local.bibliographicCitation.artnr | 109022 | - |
dc.identifier.doi | 10.1016/j.dyepig.2020.109022 | - |
dc.identifier.isi | WOS:000603543900001 | - |
local.provider.type | wosris | - |
local.uhasselt.uhpub | yes | - |
local.description.affiliation | [Cardeynaels, Tom; Paredis, Simon; Vanderzande, Dirk; Maes, Wouter] Hasselt Univ, Inst Mat Res IMO IMOMEC, Design & Synth Organ Semicond DSOS, Agoralaan 1, B-3590 Diepenbeek, Belgium. | - |
local.description.affiliation | [Cardeynaels, Tom; Paredis, Simon; Vanderzande, Dirk; Maes, Wouter] IMEC, IMOMEC Div, Wetenschapspk 1, B-3590 Diepenbeek, Belgium. | - |
local.description.affiliation | [Cardeynaels, Tom; Champagne, Benoit] Univ Namur, Lab Theoret Chem, Theoret & Struct Phys Chem Unit, Namur Inst Struct Matter, Rue Bruxelles 61, B-5000 Namur, Belgium. | - |
local.description.affiliation | [Danos, Andrew; Monkman, Andrew P.] Univ Durham, Dept Phys, OEM Grp, South Rd, Durham DH1 3LE, England. | - |
local.uhasselt.international | yes | - |
item.contributor | CARDEYNAELS, Tom | - |
item.contributor | PAREDIS, Simon | - |
item.contributor | Danos, Andrew | - |
item.contributor | VANDERZANDE, Dirk | - |
item.contributor | Monkman, Andrew P. | - |
item.contributor | Champagne, Benoit | - |
item.contributor | MAES, Wouter | - |
item.fullcitation | CARDEYNAELS, Tom; PAREDIS, Simon; Danos, Andrew; VANDERZANDE, Dirk; Monkman, Andrew P.; Champagne, Benoit & MAES, Wouter (2021) Benzo[1,2-b:4,5-b']dithiophene as a weak donor component for push-pull materials displaying thermally activated delayed fluorescence or room temperature phosphorescence. In: DYES AND PIGMENTS, 186 (Art N° 109022). | - |
item.accessRights | Open Access | - |
item.fulltext | With Fulltext | - |
item.validation | ecoom 2022 | - |
crisitem.journal.issn | 0143-7208 | - |
crisitem.journal.eissn | 1873-3743 | - |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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Revised BDT-TIPS manuscript Cardeynaels et al.pdf | Peer-reviewed author version | 1.85 MB | Adobe PDF | View/Open |
1-s2.0-S0143720820317198-main.pdf Restricted Access | Published version | 6.68 MB | Adobe PDF | View/Open Request a copy |
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