ArticleApplied catalysis. B, Environmental2019
Size-Dependent Photocatalytic Activity of Carbon Dots with Surface-State Determined Photoluminescence.
Article in Applied catalysis. B, Environmental, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 240 citations in OpenAlex.
- Advances in Photoluminescence and Quenching Mechanism of Carbon Dots.Nanomaterials (Basel, Switzerland) · 2026Review
- Two-Step Non-Food Valorization ofInternational journal of molecular sciences · 2026Article
- Dual-mode sensing strategy for assaying phosphate ions using Fe, N-co-doped carbon dots with peroxidase mimetic activity.Analytical and bioanalytical chemistry · 2026Article
- Electron Irradiation Effects on N and FeInternational journal of nanomedicine · 2026Article
- Multivariate Analysis of pH-Dependent Carbon Dots Sensitivity for FeJournal of fluorescence · 2025Article
- Preparation of multi-colored carbon dotsRSC advances · 2025Article
- Optimizing Carbon Dot-TiOMaterials (Basel, Switzerland) · 2025Article
- Progress in the Treatment of Central Nervous System Diseases Based on Nanosized Traditional Chinese Medicine.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Review
- Reinforcement using undoped carbon quantum dots (CQDs) with a partially carbonized structure doubles the toughness of PVA membranes.Nanoscale advances · 2024Article
- Chemical- and green-precursor-derived carbon dots for photocatalytic degradation of dyes.iScience · 2024Review
- Direct Growth of Nitrogen-Doped Carbon Quantum Dots on CoACS omega · 2023Article
- Comprehensive advances in the synthesis, fluorescence mechanism and multifunctional applications of red-emitting carbon nanomaterials.Nanoscale advances · 2023Review
- High energy density storage, antifungal activity and enhanced bioimaging by green self-doped heteroatom carbon dots.Discover nano · 2023Article
- Size-dependent activity of carbon dots for photocatalytic HNanoscale · 2023Article
- Labeling and Tracking of Individual Human Mesenchymal Stromal Cells Using Photoconvertible Fluorescent Microcapsules.International journal of molecular sciences · 2023Article
- Carbon Dots in Treatment of Pediatric Brain Tumors: Past, Present, and Future Directions.International journal of molecular sciences · 2023Review
- Cancer cells inhibition by cationic carbon dots targeting the cellular nucleus.Journal of colloid and interface science · 2023Article
- Resculpting carbon dots via electrochemical etching.Scientific reports · 2023Article
- Investigation into Red Emission and Its Applications: Solvatochromic N-Doped Red Emissive Carbon Dots with Solvent Polarity Sensing and Solid-State Fluorescent Nanocomposite Thin Films.Molecules (Basel, Switzerland) · 2023Article
- Carbon dot-based nanomaterials: a promising future nano-platform for targeting tumor-associated macrophages.Frontiers in immunology · 2023Review
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
Abstract
Carbon dots (CDs) were synthesized by a microwave-mediated method and separated by size exclusion chromatography into three different size fractions. There was no correlation of the size with photoluminescence (PL) emission wavelength, which shows that the PL mechanism is not quantum-size dependent. UV/vis absorption and diffuse reflectance spectroscopies showed that the light absorption properties as well as the band gap of the CDs changed with the size of the particle. The combination of FTIR and XPS measurements revealed the composition on the surface of each fraction. The three CDs fractions were separately used in the photocatalytic degradation of organic dyes under simulated sunlight irradiation. The catalytic activity of the as-prepared CDs was found to increase as the size of the particles decreased. Complete degradation of both rhodamine B (RhB) and methylene blue (MB) was achieved in 150 min by the 2-nm CDs. The scavenger studies showed that the holes and superoxide radicals are the main species involved in the photocatalytic degradation of the dye by the 2-nm CDs. These CDs displayed high stability in the degradation of organic dyes for multiple cycles. The 2-nm CDs displayed promising photocatalytic degradation of p-nitrophenol (PNP) . These results demonstrate for the first time the application of bare carbon dots in the degradation of environmental contaminants.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.