ArticleNanomaterials (Basel, Switzerland)2018
Luminescence Mechanism of Carbon Dots by Tailoring Functional Groups for Sensing Fe
Article in Nanomaterials (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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33 citing papers in PubMed, 134 citations in OpenAlex.
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- Fluorescent Carbon Dots from Biomass Waste: Photoluminescent Behavior and Toxicity Profile ValidatedACS omega · 2026Article
- Understanding the Toxicity of Carbon Dots: The Role of Synthesis Variability, Surface Chemistry, and Biological Context.International journal of molecular sciences · 2026Review
- Glutathione-Responsive Disulfiram Delivery from Thiol-Functionalized N-Doped Carbon Nanodots: An in vitro Proof-of-Concept Study.International journal of nanomedicine · 2026Article
- Glutathione-responsive folic acid modified fluorescent SBA-15 nanocarrier for simultaneous imaging and drug delivery in prostate cancer treatment.Journal of materials science. Materials in medicine · 2025Article
- Dual-emissive silicon quantum dots as a ratiometric fluorogenic probe for alkaline phosphatase activity.Mikrochimica acta · 2025Article
- Synthesis of Carbon Dots/PVP Composite for White Light Emitting Diode (WLED) Application.Journal of fluorescence · 2025Article
- A Review on Pulsed Laser-Based Synthesis of Carbon and Graphene Quantum Dots in Liquids: From Fundamentals, Chemistry to Bio Applications and Beyond.The journal of physical chemistry. C, Nanomaterials and interfaces · 2025Review
- Turn-Off Fluorescence Sensor for the Detection of Ferric Ion in Water Using Green Synthesized Wrightia coccinea Carbon Quantum Dot.Journal of fluorescence · 2025Article
- Hydrothermal synthesis of modified lignin-based carbon dots derived from biomass waste for fluorescence determination of valsartan.RSC advances · 2024Article
- Review
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- Synthesis of Multicolor Carbon Dots Catalyzed by Inorganic Salts with Tunable Nonlinear Optical Properties.Materials (Basel, Switzerland) · 2023Article
- Photocatalytic Degradation of Methylene Blue Using N-Doped ZnO/Carbon Dot (N-ZnO/CD) Nanocomposites Derived from Organic Soybean.ACS omega · 2023Article
- An Overview on Carbon Quantum Dots Optical and Chemical Features.Molecules (Basel, Switzerland) · 2023Review
- Fluorescent Mechanism in Zero-Dimensional Carbon Nanomaterials: A Review.Journal of fluorescence · 2022Review
- The Role of N and S Doping on Photoluminescent Characteristics of Carbon Dots from Palm Bunches for Fluorimetric Sensing of FeInternational journal of molecular sciences · 2022Article
- Zn-assisted modification of the chemical structure of N-doped carbon dots and their enhanced quantum yield and photostability.Nanoscale advances · 2022Article
- A review on advancements in carbon quantum dots and their application in photovoltaics.RSC advances · 2022Review
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this paper, spherical carbon dots (CDs) with distinct compositions and surface states have been successfully synthesized by a facile microwave method. From the fluorescence spectra, several characteristic luminescence features have been observed: surface amino groups are dominant in the whole emission spectra centering at 445 nm, and the fingerprint emissions relevant to the impurity levels formed by some groups related to C and N elements, including C-C/C=C (intrinsic C), C-N (graphitic N), N-containing heterocycles (pyridine N) and C=O groups, are located around 305 nm, 355 nm, 410 nm, and 500 nm, respectively. Those fine luminescence features could be ascribed to the electron transition among various trapping states within the band structure caused by different chemical bonds in carbon cores, or functional groups attached to the CDs' surfaces. According to the theoretical calculations and experimental results, a scheme of the band structure has been proposed to describe the positions of those trapping states within the band gap. Additionally, it has also been observed that the emission of CDs is sensitive to the concentration of Fe
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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.