ArticleNanomaterials (Basel, Switzerland)2024
The Enhanced Photoluminescence Properties of Carbon Dots Derived from Glucose: The Effect of Natural Oxidation.
Article in Nanomaterials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Fluorescence Quenching Effects of Carbon Shells on EuInternational journal of molecular sciences · 2026Article
- Carbon Dots in Nanomedicine: Advanced Fabrication, Biomedical Applications, and Future Clinical Perspectives.Pharmaceutics · 2026Review
- Metal Ion-Engineered Carbon Quantum Dots From Hazelnut Shell via Solid-State Synthesis for Efficient OLED Devices.Luminescence : the journal of biological and chemical luminescence · 2026Article
- Glucose-Derived Fluorescent Carbon Dots: Effect of Synthesis Temperature on Structural Evolution.ACS omega · 2026Article
- Recent progress in biowaste-derived carbon dots for cancer theranostics toward a green solution to toxic metal quantum dots.Discover nano · 2025Review
- BPEI-Based N-Doped Carbon Dots with Sensitive and Selective CuMicromachines · 2025Article
- Carbon Dots from Dried German Chamomile Flower and Its Residual Biomass: Characteristics, Bioactivities, Cytotoxicity and Its Preservative Effect on the Refrigerated Precooked Baby Clam (Foods (Basel, Switzerland) · 2025Article
- Enhancing the Fluorescence and Antimicrobial Performance of Carbon Dots via Hypochlorite Treatment.Nanomaterials (Basel, Switzerland) · 2025Article
- Fluorescent carbon dots in PEC-GS/BG hybrids and their application for bioimaging.Frontiers in molecular biosciences · 2025Article
- Recent Developments in Photofunctional Nanomaterials and Nanostructures for Emitting, Manipulating, and Harvesting Light.Nanomaterials (Basel, Switzerland) · 2024Article
- Facile Synthesis of Fluorescent Carbon Quantum Dots with High Product Yield Using a Solid-Phase Strategy.Molecules (Basel, Switzerland) · 2024Article
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Authors and funding
10 authors.
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Abstract
The investigation of the fluorescence mechanism of carbon dots (CDs) has attracted significant attention, particularly the role of the oxygen-containing groups. Dual-CDs exhibiting blue and green emissions are synthesized from glucose via a simple ultrasonic treatment, and the oxidation degree of the CDs is softly modified through a slow natural oxidation approach, which is in stark contrast to that aggressively altering CDs' surface configurations through chemical oxidation methods. It is interesting to find that the intensity of the blue fluorescence gradually increases, eventually becoming the dominant emission after prolonging the oxidation periods, with the quantum yield (QY) of the CDs being enhanced from ~0.61% to ~4.26%. Combining the microstructure characterizations, optical measurements, and ultrafiltration experiments, we hypothesize that the blue emission could be ascribed to the surface states induced by the C-O and C=O groups, while the green luminescence may originate from the deep energy levels associated with the O-C=O groups. The distinct emission states and energy distributions could result in the blue and the green luminescence exhibiting distinct excitation and emission behaviors. Our findings could provide new insights into the fluorescence mechanism of CDs.
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