ArticleJournal of the American Chemical Society2025
Unveiling the Evolution of Afterglow in Diboraanthracene Scaffolds: From Thermally Activated Delayed Fluorescence to Room-Temperature Phosphorescence.
Article in Journal of the American Chemical Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Engineering LE-CT State Synergy in Aminoboranes for Single Molecule White Light Emission and Dual-Mode Chiroptical/Phosphorescence Output.Angewandte Chemie (International ed. in English) · 2026Article
- Recent advances in temperature and metastable-state effects on organic long-lived emission.Chemical science · 2026Review
- Achieving 1.0-s Thermally Activated Delayed Fluorescence via Synergistic Control of Reverse Intersystem Crossing and Exciton Cycling.Angewandte Chemie (International ed. in English) · 2026Article
- Non-Benzenoid π-Electronic Perturbation Enables Frontier-Orbital Symmetry Reconstruction in Ultra-Narrowband Organic Luminophores.Angewandte Chemie (International ed. in English) · 2026Article
- Diboron- and digermanium-doped dihydrodibenzohexacenes: Ge-B exchange to access boron-doped extended acenes.Chemical science · 2026Article
- Host-Guest Doping Enables Room Temperature Phosphorescence from Triarylboranes.Angewandte Chemie (International ed. in English) · 2026Article
- Research Progress of Hyperfluorescent Organic Electroluminescent Devices.Micromachines · 2025Review
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Three-coordinate organoboranes have emerged as promising afterglow emitters by promoting intersystem crossing (ISC) through the introduction of boron centers. Among them, diboraanthracene (DBA) derivatives have recently shown great potential for achieving afterglow with second-scale durations. This study explores how the structural modulation of DBA scaffolds governs afterglow evolution. For the first time, ultralong thermally activated delayed fluorescence (TADF) was identified from 9,10-dimesityl-9,10-dihydro-9,10-diboraanthracene (MesDBA), which exhibits a delayed lifetime of 0.72 s and represents the longest pure TADF reported to date. Building on this insight, π-conjugation was extended to yield 6,13-dimesityl-6,13-dihydro-6,13-diborapentacene (MesDBP), which unlocks a new pathway for room-temperature phosphorescence (RTP) with a duration of 12 s and a lifetime of 1.41 s. An iptycene-derived DBA, mesityldiborapentiptycene (MesDBPI), was designed to modulate excited-state dynamics, affording a hybrid TADF-RTP afterglow lasting up to 40 s. Its deuterated analogue, MesDBPI-
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