Carbon quantum dots
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Review of Carbon and Graphene Quantum Dots for Sensing Open
Carbon and graphene quantum dots (CQDs and GQDs), known as zero-dimensional (0D) nanomaterials, have been attracting increasing attention in sensing and bioimaging. Their unique electronic, fluorescent, photoluminescent, chemiluminescent, …
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Full-color fluorescent carbon quantum dots Open
Efficient full-color fluorescent carbon quantum dots are synthesized by acid reagent engineering for white light–emitting devices.
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0D/2D Heterojunctions of Vanadate Quantum Dots/Graphitic Carbon Nitride Nanosheets for Enhanced Visible‐Light‐Driven Photocatalysis Open
0D/2D heterojunctions, especially quantum dots (QDs)/nanosheets (NSs) have attracted significant attention for use of photoexcited electrons/holes due to their high charge mobility. Herein, unprecedent heterojunctions of vanadate (AgVO 3 ,…
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Carbon quantum dots and their biomedical and therapeutic applications: a review Open
The biomedical applications of the recently emerging carbon quantum dots are reviewed.
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Carbon and graphene quantum dots: a review on syntheses, characterization, biological and sensing applications for neurotransmitter determination Open
Carbon and graphene quantum dots for biological and sensing applications of neurotransmitters.
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N-doped carbon quantum dots/TiO2 composite with improved photocatalytic activity Open
A new composite of TiO2 (P25) and N-doped carbon quantum dots (P25/NCQD) was prepared by a hydrothermal method and was used for the first time as catalyst of the photo- oxidation of NO under UV and visible light irradiation. P25/NCQD compo…
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Carbon Dots and Graphene Quantum Dots in Electrochemical Biosensing Open
Graphene quantum dots (GQDs) and carbon dots (CDs) are among the latest research frontiers in carbon-based nanomaterials. They provide interesting attributes to current electrochemical biosensing due to their intrinsic low toxicity, high s…
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Drug-Derived Bright and Color-Tunable N-Doped Carbon Dots for Cell Imaging and Sensitive Detection of Fe<sup>3+</sup> in Living Cells Open
Inspired by the diverse drug compounds with various heteroatoms (such as N, S, and P) in the drug library, facile synthesis of a new kind of bright and color-tunable N-doped carbon dots (NCDs) has been reported by using a popular antibioti…
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Functional Carbon Quantum Dots as Medical Countermeasures to Human Coronavirus Open
Therapeutic options for the highly pathogenic human coronavirus (HCoV) infections are urgently needed. Anticoronavirus therapy is however challenging, as coronaviruses are biologically diverse and rapidly mutating. In this work, the antivi…
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Carbon Quantum Dots for Biomedical Applications: Review and Analysis Open
Carbon quantum dots (CQDs) are a new type of nano-carbons that are currently favored over semiconductor quantum dots (QDs) because of their solubility, low toxicity, eco-friendliness, and cheap and facile synthesis giving desired optical c…
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Carbon-based quantum particles: an electroanalytical and biomedical perspective Open
Carbon-based quantum particles, especially spherical carbon quantum dots (CQDs) and nanosheets like graphene quantum dots (GQDs), are an emerging class of quantum dots with unique properties owing to their quantum confinement effect.
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Visible-Light-Activated Bactericidal Functions of Carbon “Quantum” Dots Open
Carbon dots, generally defined as small carbon nanoparticles with various surface passivation schemes, have emerged as a new class of quantum-dot-like nanomaterials, with their optical properties and photocatalytic functions resembling tho…
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Carbon Dots as an Effective Fluorescent Sensing Platform for Metal Ion Detection Open
Fluorescent carbon dots (CDs) including carbon quantum dots (CQDs) and graphene quantum dots (GQDs) have drawn great interest because of their low cost and low toxicity, and they represent a new class of carbon materials prepared by simple…
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Carbon quantum dots: recent progresses on synthesis, surface modification and applications Open
Generally, carbon nanoparticles with a size of 10 nm (or less) are called carbon quantum dots (CQDs, C-dots or CD), which have created huge excitement due to their advantages in chemical inertness, high water solubility, excellent biocompa…
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A review on advancements in carbon quantum dots and their application in photovoltaics Open
This review puts forth the in-depth understanding of the fundamentals of carbon quantum dots(CQDs), recent advancements in the field including a thorough discussion on different roles of CQDs to enhance the performance of solar cells and w…
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Simple Approach to Synthesize Amino-Functionalized Carbon Dots by Carbonization of Chitosan Open
Carbon dots (CDs) as a new series of fluorescent nanomaterials have drawn great attention in recent years owning to their unique properties. In this paper, a simple carbonization approach to synthesize amino-functionalized CDs was develope…
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Doped Carbon Dots for Sensing and Bioimaging Applications: A Minireview Open
In the last decade, carbon dots (C-dots, CDs) or carbon quantum dots (CQDs) have attracted a considerable amount of attention from the scientific community as a low cost and biocompatible alternative to semiconductor quantum dots. In parti…
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Stability of carbon quantum dots: a critical review Open
Carbon quantum dots (CQDs) are fluorescent carbon nanomaterials with unique optical and structural properties. The detailed stability analysis of CQDs is very much needed for their commercial applications.
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High Ion‐Conducting Solid‐State Composite Electrolytes with Carbon Quantum Dot Nanofillers Open
Solid‐state polymer electrolytes (SPEs) with high ionic conductivity are desirable for next generation lithium‐ and sodium‐ion batteries with enhanced safety and energy density. Nanoscale fillers such as alumina, silica, and titania nanopa…
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Synthesis of Carbon Quantum Dot Nanoparticles Derived from Byproducts in Bio-Refinery Process for Cell Imaging and In Vivo Bioimaging Open
The carbon quantum dot (CQD), a fluorescent carbon nanoparticle, has attracted considerable interest due to its photoluminescent property and promising applications in cell imaging and bioimaging. In this work, biocompatible, photostable, …
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Emerging Trends of Carbon‐Based Quantum Dots: Nanoarchitectonics and Applications Open
Carbon‐based quantum dots (QDs) have emerged as a fascinating class of advanced materials with a unique combination of optoelectronic, biocompatible, and catalytic characteristics, apt for a plethora of applications ranging from electronic…
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Fluorescent-Nitrogen-Doped Carbon Quantum Dots Derived from Citrus Lemon Juice: Green Synthesis, Mercury(II) Ion Sensing, and Live Cell Imaging Open
In this study, we report a green and economical hydrothermal synthesis of fluorescent-nitrogen-doped carbon quantum dots (NCQDs) using citrus lemon as a carbon source. The prepared NCQDs possess high water solubility, high ionic stability,…
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Carbon-Based Materials in Photodynamic and Photothermal Therapies Applied to Tumor Destruction Open
Within phototherapy, a grand challenge in clinical cancer treatments is to develop a simple, cost-effective, and biocompatible approach to treat this disease using ultra-low doses of light. Carbon-based materials (CBM), such as graphene ox…
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Carbon-Based Quantum Dots for Supercapacitors: Recent Advances and Future Challenges Open
Carbon-based Quantum dots (C-QDs) are carbon-based materials that experience the quantum confinement effect, which results in superior optoelectronic properties. In recent years, C-QDs have attracted attention significantly and have shown …
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Material and Optical Properties of Fluorescent Carbon Quantum Dots Fabricated from Lemon Juice via Hydrothermal Reaction Open
The water-soluble fluorescent carbon quantum dots (CQDs) are synthesized by utilizing lemon juice as carbon resource via a simple hydrothermal reaction. The obtained CQDs are with an average size of 3.1 nm. They reveal uniform morphology a…
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Green Preparation of Fluorescent Carbon Quantum Dots from Cyanobacteria for Biological Imaging Open
Biomass-based carbon quantum dots (CQDs) have become a significant carbon materials by their virtues of being cost-effective, easy to fabricate and low in environmental impact. However, there are few reports regarding using cyanobacteria a…
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Fluorescent Carbon Quantum Dots—Synthesis, Functionalization and Sensing Application in Food Analysis Open
Carbon quantum dots (CQDs) with stable physicochemical properties are one of the emerging carbon nanomaterials that have been studied in recent years. In addition to the excellent optical properties such as photoluminescence, photobleachin…
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Polymers in Carbon Dots: A Review Open
Carbon dots (CDs) have been widely studied since their discovery in 2004 as a green substitute of the traditional quantum dots due to their excellent photoluminescence (PL) and high biocompatibility. Meanwhile, polymers have increasingly b…
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Recent Advances on Synthesis and Potential Applications of Carbon Quantum Dots Open
Fluorescent carbon nanoparticles also termed as carbon quantum dots (CQDs) have attracted so much interest when compared to the traditional semiconductor quantum dots due to their applications in chemical sensing, biomedical imaging, nanot…
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Electrochemical Synthesis of Carbon Quantum Dots Open
Carbon quantum dots (CDs) are “small” carbon nanostructures with excellent photoluminescence properties, together with low‐toxicity, high biocompatibility, excellent dispersibility in water as well as organic solvents. Due to their charact…