ArticleChemical science2021
Hybridized local and charge-transfer excited state fluorophores enabling organic light-emitting diodes with record high efficiencies close to 20.
Article in Chemical science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Conformational Control of Excited-State Properties in Ortho-Linked Triarylamine-Based Donor-Acceptor Conjugates.ChemistryOpen · 2026Article
- Hybridized Local and Charge-Transfer Emitter With a Dual-Hindered Indoline Donor for Fast and Efficient Red Plastic Scintillators.Angewandte Chemie (International ed. in English) · 2026Article
- Molecular Engineering of Emitters Toward Synergistic Hot-Exciton Harvesting and Light Outcoupling for High-Efficiency OLEDs.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Diels-Alder reaction affords circumpyrene tetracarboxydiimide with excited state intramolecular charge transfer character.Communications chemistry · 2026Article
- Impact of Oxygen and Sulfur Heteroatom Core Substitution on Catalyst Properties of Phenoxazines and Their Performance in Organocatalyzed Atom Transfer Radical Polymerization (O-ATRP).Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
- Efficient near-infrared emission benefits from slowing down the internal conversion process.Chemical science · 2024Article
- A functional unit combination strategy for enhancing red room-temperature phosphorescence.Chemical science · 2023Article
- A deep-red fluorophore based on naphthothiadiazole as emitter with hybridized local and charge transfer and ambipolar transporting properties for electroluminescent devices.Beilstein journal of organic chemistry · 2023Article
- Confinement of Luminescent Guests in Metal-Organic Frameworks: Understanding Pathways from Synthesis and Multimodal Characterization to Potential Applications of LG@MOF Systems.Chemical reviews · 2022Review
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Authors and funding
10 authors.
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Abstract
Pure organic emitters with full utilization of triplet excitons are in high demand for organic light-emitting diodes (OLEDs). Herein, through modulation of electron donors and introduction of phenyl rings as π spacers, we present three pure organic fluorophores (BCz, BTCz and BPTCz) with the hybridized local and charge-transfer (HLCT) excited state feature for OLED fabrication. Importantly, the introduction of π spacers in BPTCz not only enhances locally excited character with a fast radiative decay but also promotes intermolecular interactions to suppress non-radiative decays, contributing to a high solid-state fluorescence efficiency over 90%. Significantly, BPTCz not only endows its doped OLEDs with an external quantum efficiency (EQE) up to 19.5%, but also its non-doped OLED with a high EQE of 17.8%, and these outstanding efficiencies are the state-of-the-art performances of HLCT-based OLEDs.
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