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Molecular Engineering of a Small-Molecular Yellow-to-Orange Carbonyl-based Multi-Resonance TADF Emitter

Year: 2026

Type: preprint

Abstract: Red-shifting MR-TADF emitters via donor substitution is an established strategy; however, this typically results in broadened emission and reduced photoluminescence quantum yields (FPL). We report tBuInPZ-DiKTa, fusing an indolophenazine donor directly to the DiKTa core, achieving an unprecedented red-shift for fused DiKTa-based emitters while preserving narrowband emission and high FPL.

Source: ChemRxiv

DOI: 10.26434/chemrxiv.15008386/v1

Authors: Janine Haug, André Jung, Piotr Banachowicz, Olaf Fuhr, Stefan Bräse, Eli Zysman-Colman

Institutions: Karlsruhe Institute of Technology, University of St Andrews

Language: English

Topic: Organic Light-Emitting Diodes Research

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

Funder: Engineering and Physical Sciences Research Council

Award: SolOLED: TADF Dendrimers for Highly Efficient Solution-Processed OLEDs

OpenAlex ID: W7211883257

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