ArticleNature communications2024
Rigid and planar π-conjugated molecules leading to long-lived intramolecular charge-transfer states exhibiting thermally activated delayed fluorescence.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
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- Computation of Nonradiative Rates for High-Throughput Virtual Screening: Application to the Discovery of Potential TADF Molecules.Journal of chemical theory and computation · 2026Article
- Unlocking intrinsic TADF in flexible crystalline covalent organic frameworks through nanopore confinement design.Nature communications · 2026Article
- Stepwise Conformational Restriction of Acylhydrazone-Based Molecules for High Signal-to-Noise Fluorescent Recognition of Synthetic Cannabinoid FUB-INACA.Angewandte Chemie (International ed. in English) · 2026Article
- AIE-Active Triphenylamine Push-Pull Chromophores with Multistimuli-Chromism, Electrochemistry, and NLO Response.ACS omega · 2026Article
- Molecular conformation engineering in central 8π-electron system toward unique aggregation-induced ultra-narrowband emission with a FWHM of 13 nm.Light, science & applications · 2026Article
- Systematic Engineering of Acceptor Substituents in Blue TADF Emitters for Optimized Excited-State Dynamics and OLED Performance.ACS omega · 2026Article
- All-in-One photo-biocatalysis system for sustainable chemical transformations.Nature communications · 2026Article
- Self-assembled fluorescent nanosensor for ultrafast and field-deployable monitoring of herbicide fomesafen in multiple matrices.Journal of nanobiotechnology · 2026Article
- Inverse Molecular Design for the Discovery of Organic Energy Transfer Photocatalysts: Bridging Global and Local Chemical Space Exploration.Journal of the American Chemical Society · 2026Article
- Torsion-Induced π-Conjugation Offers an Approach to Small Coumarin-Based Color-Changing Fluorescent Sensors of Esterase Activity.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026Article
- Interrogating the Azo-Hydrazo Proton Transfer Process in the Excited State Using a Multipronged Spectroscopic Study: Effect of Annulation and Solvent.ACS physical chemistry Au · 2025Article
- Unraveling the Role of Triplet-Triplet Annihilation and Photodegradation in Difluoroboron-Based Organic Laser Gain Materials.Angewandte Chemie (International ed. in English) · 2025Article
- Accurate Prediction of HOMO-LUMO Gap Using DFT Functional and Application to Next-Generation Organic Telluro[n]Helicenes Materials.Journal of computational chemistry · 2025Article
- Interpretable Artificial Intelligence Decodes the Chemical Structural Essence of Twisted Intramolecular Charge Transfer and Planar Intramolecular Charge Transfer Fluorophores.Research (Washington, D.C.) · 2025Article
- Conformational Control of Donor-Acceptor Molecules Using Non-covalent Interactions.The journal of physical chemistry. A · 2024Article
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Authors and funding
7 authors.
Funding
Abstract
Intramolecular charge transfer (ICT) occurs when photoexcitation causes electron transfer from an electron donor to an electron acceptor within the same molecule and is usually stabilized by decoupling of the donor and acceptor through an orthogonal twist between them. Thermally activated delayed fluorescence (TADF) exploits such twisted ICT states to harvest triplet excitons in OLEDs. However, the highly twisted conformation of TADF molecules results in limited device lifetimes. Rigid molecules offer increased stability, yet their typical planarity and π-conjugated structures impedes ICT. Herein, we achieve dispersion-free triplet harvesting using fused indolocarbazole-phthalimide molecules that have remarkably stable co-planar ICT states, yielding blue/green-TADF with good photoluminescence quantum yield and small singlet-triplet energy gap < 50 meV. ICT formation is dictated by the bonding connectivity and excited-state conjugation breaking between the donor and acceptor fragments, that stabilises the planar ICT excited state, revealing a new criterion for designing efficient TADF materials.
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