Effect of a twin-emitter design strategy on a previously reported thermally activated delayed fluorescence organic light-emitting diode

Ettore Crovini; Zhen Zhang; Yu Kusakabe; Yongxia Ren; Yoshimasa Wada; Bilal A. Naqvi; Prakhar Sahay; Tomas Matulaitis; Stefan Diesing; Ifor David William Samuel; Wolfgang Brutting; Katsuaki Suzuki; Hironori Kaji; Stefan Brase; Eli Zysman-Colman

doi:10.3762/bjoc.17.197

Effect of a twin-emitter design strategy on a previously reported thermally activated delayed fluorescence organic light-emitting diode

Ettore Crovini, Zhen Zhang, Yu Kusakabe, Yongxia Ren, Yoshimasa Wada, Bilal A. Naqvi, Prakhar Sahay, Tomas Matulaitis, Stefan Diesing, Ifor David William Samuel, Wolfgang Brutting, Katsuaki Suzuki, Hironori Kaji, Stefan Brase, Eli Zysman-Colman

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Abstract

In this work we showcase the emitter DICzTRZ in which we employed a twin-emitter design of our previously reported material, ICzTRZ. This new system presented a redshifted emission at 488 nm compared to that of ICzTRZ at 475 nm and showed a comparable photoluminescence quantum yield of 57.1% in a 20 wt% CzSi film versus 63.3% for ICzTRZ. The emitter was then incorporated within a solution-processed organic light-emitting diode that showed a maximum external quantum efficiency of 8.4%, with Commission Internationale de l’Éclairage coordinate of (0.22, 0.47), at 1 mA cm⁻².

Original language	English
Pages (from-to)	2894-2905
Number of pages	12
Journal	Beilstein Journal of Organic Chemistry
Volume	17
DOIs	https://doi.org/10.3762/bjoc.17.197
Publication status	Published - 8 Dec 2021

Keywords

TADF emitters
Indolocarbazole
Triazine
Dimer
Blue emitters
Orientation
Outcoupling effect
Solution-processed OLEDs

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Crovini, E., Zhang, Z., Kusakabe, Y., Ren, Y., Wada, Y., Naqvi, B. A., Sahay, P., Matulaitis, T., Diesing, S., Samuel, I. D. W., Brutting, W., Suzuki, K., Kaji, H., Brase, S., & Zysman-Colman, E. (2021). Effect of a twin-emitter design strategy on a previously reported thermally activated delayed fluorescence organic light-emitting diode. Beilstein Journal of Organic Chemistry, 17, 2894-2905. https://doi.org/10.3762/bjoc.17.197

@article{4dc999776eae44febf0342ec13d45db5,

title = "Effect of a twin-emitter design strategy on a previously reported thermally activated delayed fluorescence organic light-emitting diode",

abstract = "In this work we showcase the emitter DICzTRZ in which we employed a twin-emitter design of our previously reported material, ICzTRZ. This new system presented a redshifted emission at 488 nm compared to that of ICzTRZ at 475 nm and showed a comparable photoluminescence quantum yield of 57.1% in a 20 wt% CzSi film versus 63.3% for ICzTRZ. The emitter was then incorporated within a solution-processed organic light-emitting diode that showed a maximum external quantum efficiency of 8.4%, with Commission Internationale de l{\textquoteright}{\'E}clairage coordinate of (0.22, 0.47), at 1 mA cm−2.",

keywords = "TADF emitters, Indolocarbazole, Triazine, Dimer, Blue emitters, Orientation, Outcoupling effect, Solution-processed OLEDs",

author = "Ettore Crovini and Zhen Zhang and Yu Kusakabe and Yongxia Ren and Yoshimasa Wada and Naqvi, {Bilal A.} and Prakhar Sahay and Tomas Matulaitis and Stefan Diesing and Samuel, {Ifor David William} and Wolfgang Brutting and Katsuaki Suzuki and Hironori Kaji and Stefan Brase and Eli Zysman-Colman",

note = "Authors thank EU Horizon 2020 Grant Agreement No. 812872 (TADFlife) for funding this project. Further support was obtained by the Helmholtz Association Program at the Karlsruhe Institute of Technology (KIT). The German Research Foundation (formally Deutsche Forschungsgemeinschaft DFG) in the framework of SFB1176 Cooperative Research Centre {"}Molecular Structuring of Soft Matter{"} (CRC1176, A4, B3, C2, C6) and the cluster 3D Matter Made To Order all funded under Germany{\textquoteright}s Excellence Strategy 2082/1--390761711 are greatly acknowledged for financial contributions. We acknowledge support from the Engineering and Physical Sciences Research Council of the UK (grant EP/P010482/1), from the International Collaborative Research Program of Institute for Chemical Research, Kyoto University (grant # 2020-37 and 2021-37), and from JSPS KAKENHI Grant Number JP20H05840 (Grant-in-Aid for Transformative Research Areas, “Dynamic Exciton”). ZZ acknowledges the financial support from the China Scholarship Council (CSC, 201606890009) for his PhD studies. EZ-C is a Royal Society Leverhulme Trust Senior Research fellow (SRF\R1\201089).",

year = "2021",

month = dec,

day = "8",

doi = "10.3762/bjoc.17.197",

language = "English",

volume = "17",

pages = "2894--2905",

journal = "Beilstein Journal of Organic Chemistry",

issn = "1860-5397",

publisher = "Beilstein-Institut Zur Forderung der Chemischen Wissenschaften",

}

Crovini, E, Zhang, Z, Kusakabe, Y, Ren, Y, Wada, Y, Naqvi, BA, Sahay, P, Matulaitis, T, Diesing, S, Samuel, IDW, Brutting, W, Suzuki, K, Kaji, H, Brase, S & Zysman-Colman, E 2021, 'Effect of a twin-emitter design strategy on a previously reported thermally activated delayed fluorescence organic light-emitting diode', Beilstein Journal of Organic Chemistry, vol. 17, pp. 2894-2905. https://doi.org/10.3762/bjoc.17.197

TY - JOUR

T1 - Effect of a twin-emitter design strategy on a previously reported thermally activated delayed fluorescence organic light-emitting diode

AU - Crovini, Ettore

AU - Zhang, Zhen

AU - Kusakabe, Yu

AU - Ren, Yongxia

AU - Wada, Yoshimasa

AU - Naqvi, Bilal A.

AU - Sahay, Prakhar

AU - Matulaitis, Tomas

AU - Diesing, Stefan

AU - Samuel, Ifor David William

AU - Brutting, Wolfgang

AU - Suzuki, Katsuaki

AU - Kaji, Hironori

AU - Brase, Stefan

AU - Zysman-Colman, Eli

N1 - Authors thank EU Horizon 2020 Grant Agreement No. 812872 (TADFlife) for funding this project. Further support was obtained by the Helmholtz Association Program at the Karlsruhe Institute of Technology (KIT). The German Research Foundation (formally Deutsche Forschungsgemeinschaft DFG) in the framework of SFB1176 Cooperative Research Centre "Molecular Structuring of Soft Matter" (CRC1176, A4, B3, C2, C6) and the cluster 3D Matter Made To Order all funded under Germany’s Excellence Strategy 2082/1--390761711 are greatly acknowledged for financial contributions. We acknowledge support from the Engineering and Physical Sciences Research Council of the UK (grant EP/P010482/1), from the International Collaborative Research Program of Institute for Chemical Research, Kyoto University (grant # 2020-37 and 2021-37), and from JSPS KAKENHI Grant Number JP20H05840 (Grant-in-Aid for Transformative Research Areas, “Dynamic Exciton”). ZZ acknowledges the financial support from the China Scholarship Council (CSC, 201606890009) for his PhD studies. EZ-C is a Royal Society Leverhulme Trust Senior Research fellow (SRF\R1\201089).

PY - 2021/12/8

Y1 - 2021/12/8

N2 - In this work we showcase the emitter DICzTRZ in which we employed a twin-emitter design of our previously reported material, ICzTRZ. This new system presented a redshifted emission at 488 nm compared to that of ICzTRZ at 475 nm and showed a comparable photoluminescence quantum yield of 57.1% in a 20 wt% CzSi film versus 63.3% for ICzTRZ. The emitter was then incorporated within a solution-processed organic light-emitting diode that showed a maximum external quantum efficiency of 8.4%, with Commission Internationale de l’Éclairage coordinate of (0.22, 0.47), at 1 mA cm−2.

AB - In this work we showcase the emitter DICzTRZ in which we employed a twin-emitter design of our previously reported material, ICzTRZ. This new system presented a redshifted emission at 488 nm compared to that of ICzTRZ at 475 nm and showed a comparable photoluminescence quantum yield of 57.1% in a 20 wt% CzSi film versus 63.3% for ICzTRZ. The emitter was then incorporated within a solution-processed organic light-emitting diode that showed a maximum external quantum efficiency of 8.4%, with Commission Internationale de l’Éclairage coordinate of (0.22, 0.47), at 1 mA cm−2.

KW - TADF emitters

KW - Indolocarbazole

KW - Triazine

KW - Dimer

KW - Blue emitters

KW - Orientation

KW - Outcoupling effect

KW - Solution-processed OLEDs

UR - https://doi.org/10.33774/chemrxiv-2021-sz2gb

U2 - 10.3762/bjoc.17.197

DO - 10.3762/bjoc.17.197

M3 - Article

SN - 1860-5397

VL - 17

SP - 2894

EP - 2905

JO - Beilstein Journal of Organic Chemistry

JF - Beilstein Journal of Organic Chemistry

ER -

Effect of a twin-emitter design strategy on a previously reported thermally activated delayed fluorescence organic light-emitting diode

Abstract

Keywords

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Eli Zysman-colman SRF: New Frontiers in Multi-Resonance Thermally Activated Delayed Fluorescence Emitter Design for Organic Light-Emitting Diodes

H2020 - ITN ELI ZYSMAN-COLMAN: H2020 MSCA ITN TADFlife

TADF Emitters for OLEDs - Eli Zysman: TADF Emitters for OLEDs