ArticleChemical science2022
Endowing matrix-free carbon dots with color-tunable ultralong phosphorescence by self-doping.
Article in Chemical science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Minute-scale red phosphorescence in carbon nanodots.Nature communications · 2026Article
- Multiemitting Ultralong Phosphorescent Carbonized Polymer Dots via Synergistic Enhancement Structure Design.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Direct Population of Triplet States for Efficient Organic Afterglow through the Intra/Intermolecular Heavy-Atom Effect.Molecules (Basel, Switzerland) · 2024Article
- Carbon Quantum Dots/CuNanomaterials (Basel, Switzerland) · 2024Article
- Evolution and fabrication of carbon dot-based room temperature phosphorescence materials.Chemical science · 2023Review
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Authors and funding
11 authors.
Funding
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Abstract
Color-tunable ultralong phosphorescence is urgently desired in optoelectronic applications. Herein, we report a new type of full-color-tunable ultralong phosphorescence carbon dots (CDs) without matrix-assistance by a self-doping method under ambient conditions. The phosphorescence color can be rationally tuned from blue to red by changing the excitation wavelength from 310 to 440 nm. The CDs exhibit an ultralong lifetime of up to 1052.23 ms at 484 nm. From the experimental data, we speculate that the excitation-dependent multi-color phosphorescence is attributed to the presence of multiple emitting centers related to carbonyl units. Given the unique color-tunability of CDs, we demonstrate their potential applications in information encryption, light detection ranging from UV to visible light and LED devices. This finding not only takes a step towards the fundamental design of full-color emissive materials, but also provides a broader scope for the applications of phosphorescent materials.
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Registered trials
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