Molecular design strategy for a two-component gel based on a thermally activated delayed fluorescence emitter

Rajamalli Pachai Gounder; Diego Rota Martir; Eli Zysman-Colman

doi:10.1021/acsaem.7b00161

Molecular design strategy for a two-component gel based on a thermally activated delayed fluorescence emitter

Rajamalli Pachai Gounder, Diego Rota Martir, Eli Zysman-Colman

Research output: Contribution to journal › Article › peer-review

Abstract

Luminescent materials that can spontaneously assemble into highly ordered networks are essential to improve the quality of thin films in stacked device architectures and enhance the performances of solution processed OLEDs. Herein, we report two pyridine-decorated thermally activated delayed fluorescence (TADF) emitters, 3PyCzBP and 4PyCzBP. 4PyCzBP shows robust two component gel formation in the presence of either tartaric acid or succinic acid along with significant emission enhancement. Morphology studies reveal that these gels consist of homogeneous nanofibers assembled in hierarchical supramolecular networks. Transient photoluminescence spectra confirm that the gels emit via a TADF mechanism, making them the first examples of TADF gels. These nanofibers are promising candidates as self-assembled emitting nanofibers in thin films in solution-processed OLEDs.

Original language	English
Journal	ACS Applied Energy Materials
Volume	In press
Early online date	7 Feb 2018
DOIs	https://doi.org/10.1021/acsaem.7b00161
Publication status	E-pub ahead of print - 7 Feb 2018

Keywords

TADF emitter
Two-component gel
Self-assembly
TADF gel
Aggregation induced emission

Access to Document

10.1021/acsaem.7b00161

ACS-AEM Resubmission 1
Copyright © 2018 American Chemical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created accepted version manuscript following peer review and as such may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1021/acsaem.7b00161
Accepted author manuscript, 847 KB

DENTADFE: DENTADFE
Zysman-Colman, E. (PI)
European Commission
1/03/17 → 28/02/19
Project: Fellowship
TADF Emitters for OLEDs - Ifor Samuel: TADF Emitters for OLEDs
Samuel, I. D. W. (PI)
EPSRC
1/03/17 → 28/02/20
Project: Standard
TADF Emitters for OLEDs - Eli Zysman: TADF Emitters for OLEDs
Zysman-Colman, E. (PI)
EPSRC
1/03/17 → 31/03/21
Project: Standard

Molecular design strategy for a two-component gel based on a thermally activated delayed fluorescence emitter (dataset)
Pachai Gounder, R. (Creator), Rota Martir, D. (Creator) & Zysman-Colman, E. (Creator), University of St Andrews, 14 Feb 2018
DOI: 10.17630/2e2671fe-f2ab-44b3-972b-5d8cedb47c43
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Cite this

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title = "Molecular design strategy for a two-component gel based on a thermally activated delayed fluorescence emitter",

abstract = "Luminescent materials that can spontaneously assemble into highly ordered networks are essential to improve the quality of thin films in stacked device architectures and enhance the performances of solution processed OLEDs. Herein, we report two pyridine-decorated thermally activated delayed fluorescence (TADF) emitters, 3PyCzBP and 4PyCzBP. 4PyCzBP shows robust two component gel formation in the presence of either tartaric acid or succinic acid along with significant emission enhancement. Morphology studies reveal that these gels consist of homogeneous nanofibers assembled in hierarchical supramolecular networks. Transient photoluminescence spectra confirm that the gels emit via a TADF mechanism, making them the first examples of TADF gels. These nanofibers are promising candidates as self-assembled emitting nanofibers in thin films in solution-processed OLEDs.",

keywords = "TADF emitter, Two-component gel, Self-assembly, TADF gel, Aggregation induced emission",

author = "{Pachai Gounder}, Rajamalli and {Rota Martir}, Diego and Eli Zysman-Colman",

note = "The authors thank the Marie Sk{\l}odowska-Curie Individual Fellowship (MCIF, no 749557), the Leverhulme Trust (RPG-2016-047) and EPSRC (EP/P010482/1) for financial support. We thank the EPSRC UK National Mass Spectrometry Facility at Swansea University for analytical services.",

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doi = "10.1021/acsaem.7b00161",

language = "English",

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T1 - Molecular design strategy for a two-component gel based on a thermally activated delayed fluorescence emitter

AU - Pachai Gounder, Rajamalli

AU - Rota Martir, Diego

AU - Zysman-Colman, Eli

N1 - The authors thank the Marie Skłodowska-Curie Individual Fellowship (MCIF, no 749557), the Leverhulme Trust (RPG-2016-047) and EPSRC (EP/P010482/1) for financial support. We thank the EPSRC UK National Mass Spectrometry Facility at Swansea University for analytical services.

PY - 2018/2/7

Y1 - 2018/2/7

N2 - Luminescent materials that can spontaneously assemble into highly ordered networks are essential to improve the quality of thin films in stacked device architectures and enhance the performances of solution processed OLEDs. Herein, we report two pyridine-decorated thermally activated delayed fluorescence (TADF) emitters, 3PyCzBP and 4PyCzBP. 4PyCzBP shows robust two component gel formation in the presence of either tartaric acid or succinic acid along with significant emission enhancement. Morphology studies reveal that these gels consist of homogeneous nanofibers assembled in hierarchical supramolecular networks. Transient photoluminescence spectra confirm that the gels emit via a TADF mechanism, making them the first examples of TADF gels. These nanofibers are promising candidates as self-assembled emitting nanofibers in thin films in solution-processed OLEDs.

AB - Luminescent materials that can spontaneously assemble into highly ordered networks are essential to improve the quality of thin films in stacked device architectures and enhance the performances of solution processed OLEDs. Herein, we report two pyridine-decorated thermally activated delayed fluorescence (TADF) emitters, 3PyCzBP and 4PyCzBP. 4PyCzBP shows robust two component gel formation in the presence of either tartaric acid or succinic acid along with significant emission enhancement. Morphology studies reveal that these gels consist of homogeneous nanofibers assembled in hierarchical supramolecular networks. Transient photoluminescence spectra confirm that the gels emit via a TADF mechanism, making them the first examples of TADF gels. These nanofibers are promising candidates as self-assembled emitting nanofibers in thin films in solution-processed OLEDs.

KW - TADF emitter

KW - Two-component gel

KW - Self-assembly

KW - TADF gel

KW - Aggregation induced emission

U2 - 10.1021/acsaem.7b00161

DO - 10.1021/acsaem.7b00161

M3 - Article

VL - In press

JO - ACS Applied Energy Materials

JF - ACS Applied Energy Materials

ER -

Molecular design strategy for a two-component gel based on a thermally activated delayed fluorescence emitter

Abstract

Keywords

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Projects

DENTADFE: DENTADFE

TADF Emitters for OLEDs - Ifor Samuel: TADF Emitters for OLEDs

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

Datasets

Molecular design strategy for a two-component gel based on a thermally activated delayed fluorescence emitter (dataset)

Cite this