ArticleNature photonics2024
Efficient near-infrared organic light-emitting diodes with emission from spin doublet excitons.
Article in Nature photonics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed.
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- Mechanistic Insights into the Photodegradation of Trityl Radicals.Organic letters · 2026Article
- Microhydration and Interfacial Activity of Triarylmethane Dyes at the Air-Water Interface.The journal of physical chemistry. B · 2026Article
- Coulombic control of charge transfer in radicals with quartet recycling luminescence.Nature communications · 2026Article
- Photoinduced radical emission from flexible organic crystals.Light, science & applications · 2026Article
- Spin-Correlated Luminescence of Mechanically Generated Radical Species.Angewandte Chemie (International ed. in English) · 2026Article
- Mechanism of the Photodecomposition of Stable Triarylmethyl Radicals.Angewandte Chemie (International ed. in English) · 2026Article
- Spirofluorene-Bridged Through-Space Charge-Transfer Radicals with 1-Phenyl-1H-indole Donor.Molecules (Basel, Switzerland) · 2026Article
- Solution-synthesized stable triaza[4]triangulene triradical with a quartet ground state.Nature communications · 2026Article
- Intrinsic intermolecular photoinduced charge separation in organic radical semiconductors.Nature materials · 2026Article
- Deuteration of Six-Membered N-Heteroarenes: Chemistry and Applications.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Review
- Above the Energy Gap Law: Heavy Chalcogenide Substitution in NIR II-Emissive Diradicaloid Qubits.ACS central science · 2025Article
- Mechanically steered photon upconversion and circularly polarized luminescence in stretchable photonic crystal films.Nature communications · 2025Article
- Tuning Intersystem Crossing to Triplet Excitons in spACS nano · 2025Article
- Bright triplet and bright charge-separated singlet excitons in organic diradicals enable optical read-out and writing of spin states.Nature chemistry · 2025Article
- Perovskites to Photonics: Engineering NIR LEDs for Photobiomodulation.Micromachines · 2025Article
- Room-Temperature Luminescence from a Biscyclometalated Platinum(II) Complex Bearing Radical as Ancillary Ligand.ChemPlusChem · 2025Article
- Chiral dual-annihilator model for controllable photon upconversion and multi-dimensional optical modulation.Nature communications · 2025Article
- Efficient and stable near-infrared InAs quantum dot light-emitting diodes.Nature communications · 2025Article
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Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The development of luminescent organic radicals has resulted in materials with excellent optical properties for near-infrared emission. Applications of light generation in this range span from bioimaging to surveillance. Although the unpaired electron arrangements of radicals enable efficient radiative transitions within the doublet-spin manifold in organic light-emitting diodes, their performance is limited by non-radiative pathways introduced in electroluminescence. Here we present a host-guest design for organic light-emitting diodes that exploits energy transfer with up to 9.6% external quantum efficiency for 800 nm emission. The tris(2,4,6-trichlorophenyl)methyl-triphenyl-amine radical guest is energy-matched to the triplet state in a charge-transporting anthracene-derivative host. We show from optical spectroscopy and quantum-chemical modelling that reversible host-guest triplet-doublet energy transfer allows efficient harvesting of host triplet excitons.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.