Dinuclear platinum(II) complexes emitting through TADF: new ligand design to minimise aggregation and the S1–T1 energy gap [dataset]

Pander, Piotr (Faculty of Chemistry, Silesian University of Technology, Poland); Williams, J.A. Gareth (Department of Chemistry, Durham University, UK); Dikova, Yana M. (Department of Chemistry, Durham University, UK); Puttock, Emma V. (Department of Chemistry, Durham University, UK)

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Dinuclear platinum(II) complexes emitting through TADF: new ligand design to minimise aggregation and the S1–T1 energy gap [dataset] Open Access

Dinuclear platinum(II) complexes of a new, ditopic, bis-tridentate NCN–NCN-coordinating ligand, appended with four mesityl groups, are reported. The high radiative rate constants and correspondingly efficient luminescence of the complexes involves thermally activated delayed fluorescence (TADF), thanks to a near-zero energy gap between the S1 and T1 states. The mesityl groups also serve to hinder the aggregation that was detrimental to electroluminescence efficiency in previous studies, allowing a ~4 fold increase in OLED efficiency to be achieved (i.e. from 2.3% previously to 10% in this work). Oxidation of one of the Pt(II) complexes led to a dinuclear Pt(IV) complex of unprecedented structure.

Descriptions

Resource type: Dataset
Contributors: Creator: Pander, Piotr ¹
Contact person: Pander, Piotr ¹
Dikova, Yana M. ²
Puttock, Emma V. ²
Williams, J.A. Gareth ²

¹ Faculty of Chemistry, Silesian University of Technology, Poland
² Department of Chemistry, Durham University, UK
Funder: National Science Centre (Poland)
Engineering and Physical Sciences Research Council
Research methods
Other description
Keyword: Platinum complex
Delayed fluorescence
OLED
Photophysics
Subject: Platinum compounds
Organic light emitting diodes
Organoplatinum compounds
Photoluminescence
Location
Language: English
Cited in
Identifier: ark:/32150/r2tt44pm914
doi:10.15128/r2tt44pm914
Rights: Creative Commons Attribution 4.0 International (CC BY)
Publisher: Durham University
Date Created: 2024-08-13

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Depositor: P.H. Pander
Date Uploaded: 13 August 2024, 14:08:36
Date Modified: 17 September 2024, 12:09:31
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Last modified: 2024:08:13 15:57:58+01:00

Filename: Dataset.zip

Original checksum: 981d0b3aeada3e796ac1e98aa3c03815

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User N. Syrotiuk has updated Dinuclear platinum(II) complexes emitting through TADF: new ligand design to minimise aggregation and the S1–T1 energy gap [dataset]	3 months ago