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Papers
61,005 resultsShowing papers similar to Photoluminescence of Argan-Waste-Derived Carbon Nanodots Embedded in Polymer Matrices
ClearPlastic-derived carbon dots for sustainable environmental applications
Researchers developed a method to convert waste plastic into carbon dots — ultrasmall carbon nanomaterials with tunable photoluminescence and low toxicity — offering a sustainable approach to upcycling non-biodegradable plastic waste for environmental sensing and remediation applications.
From waste to energy: luminescent solar concentrators based on carbon dots derived from surgical facemasks
Researchers converted discarded surgical face masks into carbon dots and used them to fabricate luminescent solar concentrators, achieving a solar-to-energy conversion efficiency of 6.1% while diverting pandemic-era plastic waste from landfills.
Unlocking the Potential of Carbon Quantum Dots for Cell Imaging, Intracellular Localization, and Gene Expression Control in Arabidopsis thaliana (L.) Heynh.
This paper is not relevant to microplastics research — it investigates how carbon quantum dots are transported and affect gene expression in Arabidopsis plants, with no connection to microplastic contamination.
Encapsulation of carbon-nanodots into metal-organic frameworks for boosting photocatalytic upcycling of polyvinyl chloride plastic
Researchers created a new material by embedding tiny carbon nanodots inside a metal-organic framework to break down PVC plastic waste using light energy. The combined material performed significantly better than either component alone, converting PVC into useful chemical products like formic acid and acetic acid. This photocatalytic approach offers a promising path toward recycling one of the most difficult-to-process types of plastic waste.
Plastic Waste-Derived Carbon Dots: Insights of Recycling Valuable Materials Towards Environmental Sustainability
Researchers review how waste plastics, including single-use items that surged during the COVID-19 pandemic, can be converted into carbon dots — tiny light-emitting nanoparticles under 10 nanometers — with useful applications in sensing, imaging, and catalysis. This recycling approach offers an environmentally sustainable way to transform a persistent pollution problem into valuable high-tech materials.
Natural biomass-derived carbon dots as a potent solubilizer with high biocompatibility and enhanced antioxidant activity
Not relevant to microplastics — this paper investigates carbon dots derived from citrus fruit as a pharmaceutical solubilizer to improve drug bioavailability, with no connection to plastic pollution.
Advances and prospects of carbon dots for microplastic analysis
This review assessed the potential of carbon dots, luminescent nanomaterials derived from carbon sources, as tools for microplastic detection and analysis in food and environmental samples, offering advantages in sensitivity and selectivity over conventional methods. The authors identify carbon dot-based sensing as a promising direction for filling the gap in standardized microplastic analytical methods.
Revolutionizing microplastic detection in water through quantum dot fluorescence
Researchers developed a novel approach using carbon quantum dots to stain microplastics, enabling fluorescence-based detection in water at low cost and with simple synthesis, demonstrating high sensitivity and selectivity without the toxicity concerns of conventional fluorescent dyes.
Sustainable Conversion of Microplastics to Methane with Ultrahigh Selectivity by a Biotic–Abiotic Hybrid Photocatalytic System
Researchers developed a biotic-abiotic hybrid photocatalytic system combining carbon dot-functionalized carbon nitrides with methanogenic archaea that converts biodegradable microplastics into methane with near 100% selectivity, offering a sustainable approach to plastic waste remediation.
Recent Advances in the Synthesis, Characterization, and Application of Carbon Dots in the Field of Wastewater Treatment: A Comprehensive Review
This review covers carbon dots, a type of nanomaterial that can be used to detect and remove pollutants from wastewater, including heavy metals, dyes, and organic chemicals. Carbon dots can improve water filtration membranes and boost the effectiveness of biological treatment systems. While not directly about microplastics, these technologies could be adapted to help detect and filter microplastics from drinking water and wastewater.
Size- and Concentration-Resolved Detection of PET Microplastics in Real Water via Excitation–Emission Matrix Fluorescence Quenching of Polyamide-Derived Carbon Quantum Dots
Scientists developed a new method to detect tiny plastic particles (called microplastics) in drinking water using special fluorescent dots that dim when they encounter plastic pollution. The technique works best at finding very small plastic pieces—smaller than the width of a human hair—which are hardest to detect but potentially most dangerous since they can get into our bodies more easily. This could help monitor plastic contamination in tap water and other water sources we use daily, giving us better information about our exposure to these harmful particles.
Environmental applications of carbon dots: Addressing microplastics, air and water pollution
This review examined how carbon dots, a class of nanomaterials, can be applied to environmental challenges including microplastic detection, air quality monitoring, and water purification. Researchers found that the unique optical and chemical properties of carbon dots make them particularly promising for sensing and removing pollutants. The study highlights the versatility of these materials as tools for addressing multiple forms of environmental contamination.
Selective Identification and Quantification of Microplastics Using Solid Fluorescent Green Carbon Dots (SFGCDs) – A Novel, Naked Eye Sensing Fluoroprobe
Researchers developed a novel fluorescent carbon dot probe that can selectively detect and quantify microplastics released from surgical face masks and cosmetic cleansers. The probe works through a fluorescence turn-off mechanism when microplastics are present, with a detection limit as low as 0.0063 g/L for particles 6 micrometers and larger. The study also demonstrated a simple filtration-based remediation approach, with the fluorescence signal recovering after microplastic removal.
Design and Structural Modification of Advanced Biomaterials for Photocatalytic Degradation of Micro‐ and Nano‐Plastics
Researchers designed advanced biomaterials engineered to harness sunlight for breaking down micro- and nanoplastics through photocatalysis, combining nanotechnology and materials science to create eco-friendly, biodegradable particles capable of capturing and degrading plastic pollutants across diverse environmental conditions.
Systemically Understanding Aqueous Photocatalytic Upgrading of Microplastic to Fuels
This review examines photocatalytic methods for converting microplastic waste into renewable fuels using solar energy. These approaches could transform plastic pollutants into useful energy sources rather than allowing them to accumulate in the environment and food chain.
Promotion effect of nitrogen-doped functional carbon nanodots on the early growth stage of plants
Researchers found that nitrogen-doped carbon nanodots promoted seed germination, root growth, and biomass production across multiple plant species better than undoped nanodots. This is a plant science nanotechnology study not directly related to environmental microplastic pollution.
Charting a path to catalytic upcycling of plastic micro/nano fiber pollution from textiles to produce carbon nanomaterials and turquoise hydrogen
Researchers demonstrated proof-of-concept for catalytic upcycling of polyester and cotton textile-derived microfibers into structured solid carbon products, using a defined fiber feedstock to establish a pathway for converting fiber pollution into value-added carbon materials.
Concave microlens arrays with tunable curvature for enhanced photodegradation of organic pollutants in water: A non‐contact approach
Researchers designed reusable concave microlens arrays (MLAs) that focus sunlight to boost solar photodegradation of organic pollutants in water by 5.1-fold, even under low light and in turbid river water. This is not directly about microplastics; it is a water treatment technology study targeting dissolved organic pollutants, making it a false positive for microplastic relevance.
Production of Carbon Quantum Dots Based on Oil Palm Fronds for Polyethylene and Polyethylene Terephthalate Microplastics Detection
Researchers synthesized carbon quantum dots from oil palm frond waste and tested their fluorescence properties for detecting polyethylene and PET microplastics. The bio-based quantum dots provided a cost-effective and environmentally friendly sensing approach for identifying common plastic polymers in environmental samples.
The Chemistry of Carbon Nanotubes in Photocatalytic Degradation of Micro‐ and Nano‐Plastic
Researchers reviewed how carbon nanotubes — cylindrical structures made of carbon atoms — can be added to light-activated catalysts to dramatically improve the breakdown of microplastics and nanoplastics in water, as the nanotubes increase surface area and help separate electrical charges that drive the chemical degradation reactions.
Novel simple accurate detection of microplastics based on image of photoluminescent nanoparticle carbon dots via machine learning and deep feature embedding
Researchers developed a simpler, more affordable method for detecting microplastics using fluorescent carbon dot nanoparticles combined with machine learning image analysis. The approach achieved highly accurate detection of PET microplastics by analyzing the glow patterns produced when carbon dots interact with plastic particles. The study suggests this optical-computational method could make microplastic monitoring more accessible by reducing the need for expensive specialized laboratory equipment.
Sustainable Conversion of Microplastics to Methane with Ultrahigh Selectivity by a Biotic–Abiotic Hybrid Photocatalytic System
Researchers developed a biotic-abiotic hybrid photocatalytic system combining Methanosarcina barkeri bacteria with carbon dot-functionalized polymeric carbon nitrides (CDPCN) to convert biodegradable poly(lactic acid) microplastics into methane with ultrahigh selectivity. The system offered a promising dual-purpose strategy for simultaneously reducing microplastic pollution and generating renewable energy with minimal secondary contamination.
Review of Photochemical Activity of Dissolved Black Carbon in Aquatic Environments: Primary Influencing Factors and Mechanisms
Not relevant to microplastics — this review covers how dissolved black carbon in water affects the breakdown of organic pollutants through photochemical reactions, with no focus on microplastics.
Plasmonic Carbonaceous Nanotemplates for Microplastics Raman Detection
Scientists developed a carbon-based nanostructure platform that enhances Raman spectroscopy signals, enabling more sensitive and accurate detection of microplastics in environmental samples. This tool could improve monitoring of microplastic pollution at concentrations previously too low to measure reliably.