ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2023
Modulating Emission of Boric Acid into Highly Efficient and Color-Tunable Afterglow via Dehydration-Induced Through-Space Conjugation.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 59 citations in OpenAlex.
- Precisely Regulating 2.45 s Pure Blue Room-Temperature Phosphorescence via Supramolecular Coordination.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Scalable Aqueous Polymerization Via Nanoconfinement Effect Generating Two-Dimensional Polymers With Excitation-Dependent Clusteroluminescence.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Full-color programmable high temperature afterglow polymers based on single-molecule emitters.Nature communications · 2025Article
- Ultralong organic afterglow from small molecular host-guest materials: state of the art.Light, science & applications · 2025Review
- Direct Population of Triplet States for Efficient Organic Afterglow through the Intra/Intermolecular Heavy-Atom Effect.Molecules (Basel, Switzerland) · 2024Article
- Modulating Emission of Boric Acid into Highly Efficient and Color-Tunable Afterglow via Dehydration-Induced Through-Space Conjugation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
Abstract
Inorganic boric acid (BA) is generally not considered an efficient afterglow material, and several groups have reported its extremely weak room-temperature phosphorescence (RTP) in the blue spectral region. It is discovered that heat treatment of BA results in increased afterglow intensity (27-fold increase) and prolonged emission lifetime (from 0.83 to 1.59 s), attributed to enhanced through-space conjugation (TSC) of BA. The afterglow intensity of BA can be increased further (≈415 folds) by introducing p-hydroxybenzoic acid (PHA), which contains a conjugated molecular motif, to further promote the TSC of the BA system. This combination results in the production of afterglow materials with a photoluminescence quantum yield of 83.8% and an emission lifetime of 2.01 s. In addition, a tunable multicolor afterglow in the 420-490 nm range is achieved owing to the enhancement of the RTP and thermally activated delayed fluorescence of PHA, where BA exerts a confinement effect on the guest molecules. Thus, this study demonstrates promising afterglow materials produced from extremely abundant and simple precursor materials for various applications.
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