ArticleNature communications2024
Brightening triplet excitons enable high-performance white-light emission in organic small molecules via integrating n-π*/π-π* transitions.
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 12 papers.
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Who cites it
12 citing papers in PubMed.
- Pressure-Activated and Retained Blue Emission in Melamine Through Hydrogen-Bond and Packing Regulation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Mechanical flexibility and pressure-activated emission in room-temperature phosphorescent organic crystals.Nature communications · 2026Article
- Minute-scale red phosphorescence in carbon nanodots.Nature communications · 2026Article
- Red-light-excited dynamic near-infrared organic afterglow materials for in vivo bioimaging.Light, science & applications · 2026Article
- Pressure-driven steric hindrance engineering for maximizing photoluminescence in covalent organic frameworks.Science advances · 2026Article
- Cyclometalated Ir(iii) complexes bridged by µ-OH and µ-3,5-bis(4-methoxyphenyl)-pyrazole ligands.RSC advances · 2026Article
- Modulating the Singlet-Triplet Energy Gap With Regio-Specific Substitution on Dibenzo[a,c]phenazine to Realize Red TADF and Their OLEDs.Chemistry, an Asian journal · 2026Article
- Controllable multicolor emission from initially non-emissive organic molecules by pressure engineering.Nature communications · 2025Article
- High Pressure Restrains the Photo-Induced Polyhedra Distortion in 0D Antimony-Based Metal Halide.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Unprecedented stacking-dependent piezoluminescence enhancement in atomically precise superatomic gold nanoclusters.Science advances · 2025Article
- Pressure treatment enables white-light emission in Zn-IPA MOF via asymmetrical metal-ligand chelate coordination.Nature communications · 2025Article
- Pressure aging: An effective process to liberate the power of high-pressure materials research.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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Authors and funding
16 authors.
Funding
Abstract
Luminescent materials that simultaneously embody bright singlet and triplet excitons hold great potential in optoelectronics, signage, and information encryption. However, achieving high-performance white-light emission is severely hampered by their inherent unbalanced contribution of fluorescence and phosphorescence. Herein, we address this challenge by pressure treatment engineering via the hydrogen bonding cooperativity effect to realize the mixture of n-π*/π-π* transitions, where the triplet state emission was boosted from 7% to 40% in isophthalic acid (IPA). A superior white-light emission based on hybrid fluorescence and phosphorescence was harvested in pressure-treated IPA, and the photoluminescence quantum yield was increased to 75% from the initial 19% (blue-light emission). In-situ high-pressure IR spectra, X-ray diffraction, and neutron diffraction reveal continuous strengthening of the hydrogen bonds with the increase of pressure. Furthermore, this enhanced hydrogen bond is retained down to the ambient conditions after pressure treatment, awarding the targeted IPA efficient intersystem crossing for balanced singlet/triplet excitons population and resulting in efficient white-light emission. This work not only proposes a route for brightening triplet states in organic small molecules, but also regulates the ratio of singlet and triplet excitons to construct high-performance white-light emission.
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