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Mono- Versus Bicyclic Carbene Metal Amide Photoemitters: Which Design Leads to Best Performance?

27 February 2020, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

New luminescent “carbene-metal-amide” (CMA) Cu, Ag and Au complexes based on monocyclic (C6) or bicyclic six-ring (BIC6) cyclic (alkyl)(amino)carbene ligands illustrates the effects of LUMO energy stabilization, conformational flexibility and excited state energy on the photoemission properties, leading to near-quantitative quantum yields, short excited state lifetimes Cu > Au > Ag down to 0.5 µs and high radiative rates of 106 s–1.

Keywords

TADF metal complexes
OLED applications

Supplementary materials

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Now Published

Mono- versus Bicyclic Carbene Metal Amide Photoemitters: Which Design Leads to the Best Performance? [opens in a new tab]
Florian Chotard, Vasily Sivchik, Mikko Linnolahti, Manfred Bochmann, Alexander S. Romanov journal article
Chemistry of Materials , Volume 32, Issue 14
Online publication date: Jun 22, 2020

Version History

Feb 27, 2020 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv.11905557.v1
D O I: 10.26434/chemrxiv.11905557.v1 [opens in a new tab]

Funding

The Royal Society URF\R1\180288; RGF\EA\181008. ERC Advanced Investigator Award grant no. 338944-GOCAT. The Academy of Finland Flagship Programme, Photonics Research and Innovation (PREIN), decision 320166.

Author’s competing interest statement

The authors declare no competing interests.

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