☆ 4.7 Review

The preparation, optical properties and applications of carbon dots derived from phenylenediamine

MICROCHEMICAL JOURNAL (2023)

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Article Biochemical Research Methods

Development of Red-Emissive Carbon Dots for Bioimaging through a Building Block Approach: Fundamental and Applied Studies

Keenan J. Mintz et al.

Summary: This study investigates the formation process of CDs without strong performance in water and aims to enhance their capabilities in bioimaging. The results show that a combination of acid properties and oxidation is crucial for the formation of red-emissive CDs, with key reactions involving oligomerization of o-PDA and crosslinking of oligomers to form aromatic structural segments. Conjugation with transferrin significantly improves the biocompatibility of CDs, which were successfully applied in bioimaging studies of neuroblastoma cell lines with gene amplification.

BIOCONJUGATE CHEMISTRY (2022)

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Review Chemistry, Physical

The synthetic strategies, photoluminescence mechanisms and promising applications of carbon dots: Current state and future perspective

Chuang He et al.

Summary: Carbon dots, as a rising star in carbon nanomaterials, have attracted enormous attention for their excellent optical properties, biocompatibility, catalytic performance, small size, low toxicity, and environmental friendliness. Researchers have extensively studied and summarized the synthetic strategies, photoluminescence mechanisms, and promising applications of carbon dots, as well as discussed the prospects and challenges for further research in this field.

CARBON (2022)

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Article Chemistry, Physical

High-efficient and pH-sensitive orange luminescence from silicon-doped carbon dots for information encryption and bio-imaging

Zishan Sun et al.

Summary: In this study, silicon-doped orange-emitting carbon dots were successfully synthesized and showed potential applications in bio-imaging, fluorescent ink, etc.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Physical

Phenylenediamine-derived near infrared carbon dots: The kilogram-scale preparation, formation process, photoluminescence tuning mechanism and application as red phosphors

Chunyu Ji et al.

Summary: This study reported the kilogram-scale preparation of near infrared carbon dots from o-phenylenediamine with high yield and low cost. The formation process and structural model of the carbon dots were elucidated, and their optical properties were reversibly tuned through a protonation-deprotonation process. The as prepared carbon dots showed potential as cheap and readily available phosphors for red LEDs.

CARBON (2022)

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Review Chemistry, Inorganic & Nuclear

Synthesis strategies, luminescence mechanisms, and biomedical applications of near-infrared fluorescent carbon dots

Yuqing Wang et al.

Summary: Carbon dots (CDs) are nanomaterials with excellent properties that are used in biomedical imaging and cancer therapy. Near-infrared fluorescent CDs have good tissue penetration ability and can achieve high-resolution fluorescence imaging of deep tissues, showing great potential in the biomedical field. This review systematically summarizes the synthesis strategies, luminescence mechanisms, and biomedical applications of near-infrared fluorescent CDs in the past 10 years, and discusses the challenges and perspectives in their synthesis and applications.

COORDINATION CHEMISTRY REVIEWS (2022)

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Article Chemistry, Multidisciplinary

Preparation of yellow emissive nitrogen-doped carbon dots from o-phenylenediamine and their application in curcumin sensing

Yuanyuan Dong et al.

Summary: This work presents a simple solvothermal method to prepare yellow emissive nitrogen-doped carbon dots (YNCDs) using o-phenylenediamine (o-PD) and ethanol. The YNCDs show yellow emission at 410/555 nm and can be effectively inhibited by curcumin based on the inner filter effect (IFE). The YNCDs are used as nanoprobes to establish a turn-off sensor platform for detecting curcumin, achieving highly selective and sensitive detection in real samples.

NEW JOURNAL OF CHEMISTRY (2022)

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Article Nanoscience & Nanotechnology

Solvatochromic Surface-Passivated Carbon Dots for Fluorometric Moisture Sensing in Organic Solvents

Melis Ozge Alas et al.

Summary: In this study, solvatochromic, red fluorescence-emitting carbon dots (rCDs) were successfully synthesized from para-phenylenediamine (p-PD) using a one-step microwave-assisted solvothermal method. The surface passivation with hydroxyl-enriched HBPs of varying generation numbers (G2 and G4) was found to significantly impact the quantum yield of rCDs, while not affecting their solvatochromic properties. The results show that the red-shifted fluorescence emission of rCDs in response to increased solvent polarity can be utilized for moisture detection in organic solvents and analysis of surface characteristics of paper strips.

ACS APPLIED NANO MATERIALS (2021)

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Yellow Fluorescent Carbon Dots for Selective Recognition of As3+ and Fe3+ Ions

Sathish Rajendran et al.

Summary: By synthesizing bright yellow fluorescent carbon dots from a mixture of o-phenylenediamine and pyrazole, a new method has been developed for the highly sensitive and selective detection of As3+ and Fe3+ ions, suitable for environmental monitoring in real water samples and intracellular detection in living cells.

ACS APPLIED NANO MATERIALS (2021)

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Article Nanoscience & Nanotechnology

Multicolor Phenylenediamine Carbon Dots for Metal-Ion Detection with Picomolar Sensitivity

Hani Barhum et al.

Summary: Studies have shown that phenylenediamine carbon dots prepared in an ethylene glycol environment exhibit multicolor high quantum yield, with solvothermal synthesis in acidic conditions leading to higher carbonization reaction yields, reaching up to 90% after product purification. The proximity of metal ions affects emission, with optical monitoring enabling accurate detection of ions at low concentrations.

ACS APPLIED NANO MATERIALS (2021)

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Article Nanoscience & Nanotechnology

Polychromatic Carbon Dots Prepared from m-Phenylenediamine and Urea as Multifunctional Fluorescent Probes

Kamile Arkin et al.

Summary: This paper focuses on the utilization of nanomaterials like carbon dots (CDs) as rapid detection fluorescent nanoprobes in the realm of analytical chemistry. The study successfully obtained blue, green, and red CDs with high fluorescence quantum yields and constructed three distinct and sensitive fluorescent nanoprobes for detecting pH levels, metal ions, and organic acids. The development of multifunctional fluorescent nanoprobes using CDs is seen to be beneficial for rapid and specific detection and recognition applications.

ACS APPLIED NANO MATERIALS (2021)

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Article Biophysics

A smartphone-integrated optosensing platform based on red-emission carbon dots for real-time detection of pyrethroids

Xuecheng Zhu et al.

Summary: The study developed an optosensing platform based on carbon dots that can detect pyrethroids in real time, with advantages of low cost, simple operation, high sensitivity, on-site visualization, and rapid detection.

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Article Chemistry, Applied

Fluorescence detection of malachite green in fish tissue using red emissive Se,N,Cl-doped carbon dots

Yaoping Hu et al.

Summary: A novel fluorescent probe, red emissive Se,N,Cl-doped carbon dots (CDs), was designed for the accurate detection of malachite green (MG) in aquaculture. The probe exhibits high quantum yield and low detection limit, with a selective and sensitive fluorescent sensor established based on inner filter effect. Trace-level analysis of MG in fish tissue was successfully explored, demonstrating the great potential of the sensor for MG monitoring in aquatic products.

FOOD CHEMISTRY (2021)

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Article Chemistry, Applied

Dual-emission carbon dots based ratiometric fluorescent sensor with opposite response for detecting copper (II)

Gengli Huang et al.

Summary: Carbon dots with intrinsic dual-emission fluorescence were prepared through microwave-assisted heat treatment, which effectively captured Cu2+ to fabricate a ratiometric fluorescent sensor for Cu2+ detection with wide linear range and low limit of detection. The sensor exhibited excellent selectivity and sensitivity in quantitative determination of Cu2+, showing promising potentials for quick pre-warning of Cu2+.

DYES AND PIGMENTS (2021)

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Article Chemistry, Physical

A real-time and highly sensitive fiber optic biosensor based on the carbon quantum dots for nitric oxide detection

Wei Wu et al.

Summary: A novel fluorescent probe composed of carbon quantum dots (CQDs) was prepared to selectively detect nitric oxide (NO) by establishing the reaction mechanism between CQDs and NO. A new optical fiber sensing system based on CQDs was constructed to detect NO with a low detection limit, showing potential for real-time monitoring of NO concentration in biological samples.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2021)

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Article Chemistry, Applied

Electrochemical synthesis of carbon dots with a Stokes shift of 309 nm for sensing of Fe3+ and ascorbic acid

Qingxiao An et al.

Summary: The study discusses the preparation of carbon dots with strong emission at long wavelengths using o-phenylenediamine for detection of Fe3+ and ascorbic acid. The electrochemically synthesized C dots demonstrate good fluorescence properties, allowing for highly selective detection of Fe3+ and quantification of ascorbic acid.

DYES AND PIGMENTS (2021)

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Article Chemistry, Analytical

Defects coordination triggers red-shifted photoluminescence in carbon dots and their application in ratiometric Cr(VI) sensing

Yuecheng Zhang et al.

Summary: A simple and sensitive ratiometric sensor based on the coordination between Cr(VI) and carbon dots (CDs) was developed for accurate detection of Cr(VI) concentration. The study demonstrated that the dual-amino groups play a critical role in the coordination mechanism, and the method showed promising results in real water sample analysis.

MICROCHEMICAL JOURNAL (2021)

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Article Chemistry, Analytical

Solid-phase synthesis of red dual-emissive nitrogen-doped carbon dots for the detection of Cu2+and glutathione

Fangming Yang et al.

Summary: Red dual-emissive carbon dots were prepared using a solvent-free carbonization method, showing high sensitivity towards Cu2+ and glutathione detection, as well as excellent biocompatibility with cell viability over 83%.

MICROCHEMICAL JOURNAL (2021)

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Article Materials Science, Multidisciplinary

Nitrogen, sulfur co-doped red carbon dots for sensitive and selective detection of Sn2+ ions

Peiyuan Zhu et al.

Summary: Novel R-CDs with strong red emission were successfully synthesized and utilized as a selective and sensitive turn-off sensor for Sn2+ detection. The R-CDs demonstrated effective electron, charge or energy transfer between excitons and Sn2+ through non-radiative recombination, enabling detection with a high range and low limit.

OPTICAL MATERIALS (2021)

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Article Materials Science, Multidisciplinary

Preparation of fluorescent nitrogen-doped carbon dots for highly selective on-off detection of Fe3+ ions in real samples

Nazanin Hashemi et al.

Summary: In this study, water-soluble nitrogen-doped carbon dots (N-CDs) based fluorescent probes were successfully synthesized with small size distribution and high quantum yield. These probes showed selective quenching of Fe3+ ions and exhibited high stability and reliability in detecting Fe3+ ions, making them suitable for environmental applications.

OPTICAL MATERIALS (2021)

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Article Multidisciplinary Sciences

Photoluminescence mechanism of carbon dots: triggering high-color-purity red fluorescence emission through edge amino protonation

Qing Zhang et al.

Summary: The research successfully prepared Carbon Dots with high color purity fluorescence emission through amino protonation treatment, changing the molecular state of Carbon Dots and triggering red fluorescence emission, providing a new way for predicting and controlling the photoluminescence properties of Carbon Dots.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Visible-Ultraviolet Upconversion Carbon Quantum Dots for Enhancement of the Photocatalytic Activity of Titanium Dioxide

Yiqing Deng et al.

Summary: Visible-ultraviolet upconversion carbon quantum dots were synthesized and used to prepare CQDs/TiO2 composites, with CT-1 composite showing the best degradation efficiency for methyl orange. The composite exhibited excellent degradation performance under visible light, attributed to the presence of free radicals.

ACS OMEGA (2021)

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Article Chemistry, Analytical

Superoxide anion turns on the fluorescence of carbon dots-ferric complex for sensing

Ji Yue et al.

Summary: A sensitive and selective fluorescent probe for the detection of superoxide anion was developed using ferric functionalized carbon dots, showing promising application in environmental and hazardous chemicals monitoring. The probe exhibited good photostability and high selectivity, with a detection limit as low as 25pM in aqueous solution. Additionally, a paper based sensor with a visual detection limit of 4.4nM was fabricated, demonstrating practical detection capabilities for superoxide anion.

MICROCHEMICAL JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Carbon dot based nucleus targeted fluorescence imaging and detection of nuclear hydrogen peroxide in living cells

Kabyashree Phukan et al.

Summary: Investigation of the generation of H2O2 in cells is crucial for disease prevention. Carbon quantum dots (B-PPD CDs) were synthesized and used for H2O2 detection, showing successful detection of both endogenous and exogenous H2O2 in RAW 264.7 cells.

NANOSCALE ADVANCES (2021)

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Article Nanoscience & Nanotechnology

Carbon Dots with Absorption Red-Shifting for Two-Photon Fluorescence Imaging of Tumor Tissue pH and Synergistic Phototherapy

Yulong Bai et al.

Summary: The study presents S and N atom co-doped carbon dots (S,N-CDs) for tumor phototherapy, which exhibit two-photon emission and high photothermal conversion efficiency. S,N-CDs show higher therapeutic efficiency compared to N-doped CDs, highlighting their potential as an effective therapeutic agent for tumor treatment.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Tunable Organelle Imaging by Rational Design of Carbon Dots and Utilization of Uptake Pathways

E. Shuang et al.

Summary: By utilizing various surface groups and lipophilicity, different CDs can choose diverse uptake pathways for specific organelle-targeting imaging.

ACS NANO (2021)

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Article Chemistry, Multidisciplinary

Red, green and blue aggregation-induced emissive carbon dots

Xiaokai Xu et al.

Summary: In this study, multicolor solid-state fluorescence carbon dots were successfully synthesized through a solvothermal reaction in acetic acid, enabling applications in white light LED devices and fingerprint detection.

CHINESE CHEMICAL LETTERS (2021)

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Article Chemistry, Physical

Green preparation of carbon dots with different surface states simultaneously at room temperature and their sensing applications

Tianze Li et al.

Summary: The study focuses on developing a green preparation method for carbon dots with different surface states using o-phenylenediamine and hydroquinone as precursors. The two resulting products have distinct properties which make them suitable for detecting toxic pollutants and water content with different detection limits.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Optics

Red dual-emissive carbon dots for ratiometric sensing of veterinary drugs

He Li et al.

Summary: The study presents a facile method for preparing red-emissive carbon dots for detecting veterinary drugs, utilizing the dual-emissive photoluminescence property. The carbon dots exhibit fast fluorescence response to several widely abused veterinary drugs and achieved low detection limits.

JOURNAL OF LUMINESCENCE (2021)

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Article Chemistry, Physical

One-Step Green Solvothermal Synthesis of Full-Color Carbon Quantum Dots Based on a Doping Strategy

Danyang Zhang et al.

Summary: A simple strategy for developing full-color carbon quantum dots (CQDs) was proposed, resulting in the synthesis of blue, green, yellow-green, and orange-red CQDs doped with heteroatoms. The study also explored how luminescence can be tuned and improved in CQDs. Furthermore, a high-efficiency white light-emitting diode was successfully fabricated with high color rendering index.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2021)

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Article Chemistry, Analytical

Solvent-controlled synthesis of full-color carbon dots and its application as a fluorescent food-tasting sensor for specific recognition of jujube species

Guannan Liu et al.

Summary: This study prepared full-color luminescent carbon dots using the same reactants by adjusting the reaction solvent, and found that the CDs had a rapid sensing ability to Fe3+ with wide detection range. A discriminant model of jujube species based on internal Fe3+ content was successfully established.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Materials Science, Multidisciplinary

Regulating the photoluminescence of carbon dots via a green fluorine-doping-derived surface-state-controlling strategy

Tianze Li et al.

Summary: In this study, a green surface-state-controlling strategy was used to regulate the photoluminescence properties of carbon dots through fluorine (F)-doping techniques. Two types of F-doped carbon dots with different F contents were prepared, resulting in a red-shift of photoluminescence due to the narrower band gap induced by F-doping. FCDs1 showed favorable solid-state PL behaviors and was used for latent fingerprint identification, while FCDs2 with high F content was used as a powerful probe for the quantitative detection of cobalamin.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

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Article Chemistry, Multidisciplinary

Application of high-efficiency green fluorescent carbon dots prepared by acid catalysis in multicolour LEDs

Yulong An et al.

Summary: In this study, efficient green fluorescent carbon dots were prepared using acid catalysts, and the mechanism of acid-catalyzed fluorescence redshift and improved quantum yield of CDs was discussed. By manipulating the fluorescence tunability of CDs, LED emitting different spectra with excellent performance were successfully prepared.

RSC ADVANCES (2021)

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Article Chemistry, Analytical

Green-emissive water-dispersible silicon quantum dots for the fluorescent and colorimetric dual mode sensing of curcumin

Congjie Pan et al.

Summary: Curcumin, an active ingredient in Curcuma longa, can be effectively detected using novel water-dispersible SiQDs through fluorescent and colorimetric modes, showing a good linear relationship and low detection limit.

ANALYTICAL METHODS (2021)

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Article Chemistry, Analytical

Dual-excitation and dual-emission carbon dots for Fe3+ detection, temperature sensing, and lysosome targeting

Xiaofeng Li et al.

Summary: These carbon dots, prepared by hydrothermal treatment, emit different colored fluorescence under different wavelengths, serving as dual-excitation and dual-emission fluorescent probes and temperature sensors, and can also be used for lysosomal targeting.

ANALYTICAL METHODS (2021)

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Review Chemistry, Multidisciplinary

Carbon dots for cancer nanomedicine: a bright future

Samer Bayda et al.

Summary: Carbon nanomaterials have shown great potential in various fields, especially in biomedicine, due to their unique physical and chemical properties. They have been utilized for imaging, therapy, and drug delivery applications, offering a promising alternative to traditional therapeutic approaches.

NANOSCALE ADVANCES (2021)

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Review Materials Science, Biomaterials

Carbon dots: synthesis, properties and biomedical applications

Guili Ge et al.

Summary: Carbon dots (CDs) are a new type of carbon nanomaterial with unique physical and chemical properties, widely used in biological imaging and environmental monitoring. This review covers the preparation methods, modification methods, optical properties, and applications of CDs in biomedicine.

JOURNAL OF MATERIALS CHEMISTRY B (2021)

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Article Chemistry, Analytical

Lysosome targeting, Cr(vi) and l-AA sensing, and cell imaging based on N-doped blue-fluorescence carbon dots

Lihong Shi et al.

Summary: N-doped blue-fluorescence carbon dots (N-CDs) were successfully synthesized via a one-pot hydrothermal method, showing strong fluorescence, high quantum yield, and exceptional optical stability. They can be used for detecting Cr(vi) and l-AA, and have potential applications in the biomedical field.

ANALYTICAL METHODS (2021)

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Review Chemistry, Analytical

Synthesis and modification of carbon dots for advanced biosensing application

Fu-Ting Wang et al.

Summary: Carbon dots have attracted extensive attention for biosensing applications due to their small particle size, tunable optical properties, good conductivity, low cytotoxicity, and good biocompatibility. Various synthesis routes, modification strategies, and applications of carbon dots in different biosensing fields have been summarized in this review. The challenges and future prospects of using carbon dots for biosensors have also been proposed for further exploration.

ANALYST (2021)

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Article Nanoscience & Nanotechnology

Carbon Dots as an Indicator of Acid-Base Titration and a Fluorescent Probe for Endoplasm Reticulum Imaging

Zhan Zhu et al.

Summary: In this study, red carbon dots (CDs) were successfully prepared and their acidichromism feature was investigated. The CDs showed potential applications in titration analysis and endoplasm reticulum targeting imaging.

ACS APPLIED BIO MATERIALS (2021)

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Article Materials Science, Multidisciplinary

A fluorescence-switchable carbon dot for the reversible turn-on sensing of molecular oxygen

Yanmin Zhao et al.

Summary: In this study, optical oxygen-sensitive nanoparticles with good biocompatibility and low cost were developed for fast detection of molecular oxygen in a signal turn-on mode. A phenylenediamine-derived carbon dot with fluorescence-switchable property was introduced, serving as a reversible probe for fluorescence turn-on detection of oxygen with short response time and high sensitivity. This study not only offers a convenient and low-cost method for oxygen detection, but also presents potential applications of the fluorescence-switchable carbon dot in various fields involving oxygen detection.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

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Manganese-Doped Carbon Dots with Redshifted Orange Emission for Enhanced Fluorescence and Magnetic Resonance Imaging

Sijia Sun et al.

Summary: Metal-doped carbon dots (CDs) show potential in fluorescence and magnetic resonance (MR) imaging, with manganese-doped CDs (Mn-CDs) synthesized for enhanced performance, uniform size distribution, increased fluorescence intensity, and high T-1-weighted MR imaging capabilities, making them promising dual-modal nanoprobe candidates.

ACS APPLIED BIO MATERIALS (2021)

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Fluorescent Carbon Dots as Nanosensors for Monitoring and Imaging Fe3+ and [HPO4]2- Ions

Qiaoling Liu et al.

Summary: Nitrogen and sulfur codoped carbon dots were synthesized via a hydrothermal process, showing high quantum yield and large Stokes shift, allowing for detection of Fe3+ and [HPO4](2-) with a significant on-off-on fluorescence response.

ACS APPLIED NANO MATERIALS (2021)

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Subrata Pandit et al.

Summary: The study involved synthesizing amphiphilic carbon dots and investigating their optical properties in different solvents, showing a linear relationship between emission wavelength intensity and solvent polarity. Additionally, the interaction modes between AC-dots and various proteins were explored, confirming the potential of C-Dots as fluorescent probes for detecting biological molecules and environments.

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Nitrogen-doped carbon dots for sensitive detection of ferric ions and monohydrogen phosphate by the naked eye and imaging in living cells

Qiaoling Liu et al.

Summary: N-doped carbon dots (N-CDs) with excellent water dispersibility, good biocompatibility, and anti-photobleaching properties have been prepared via a one-pot hydrothermal method. These N-CDs exhibit a strong emission band with an emission maximum at 556 nm and a large Stokes shift of 106 nm. They can effectively detect Fe3+ and HPO42-, showing potential applications in the biomedical field.

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Polarity-Sensitive Polymer Carbon Dots Prepared at Room-Temperature for Monitoring the Cell Polarity Dynamics during Autophagy

Jia Hui Liu et al.

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Multicolor emissive carbon dot with solvatochromic behavior across the entire visible spectrum

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Jian Zhong et al.

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Dual-emission carbon dots for ratiometric detection of Fe3+ ions and acid phosphatase

Shu Pang et al.

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Dong Gao et al.

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Novel Processing for Color-Tunable Luminescence Carbon Dots and Their Advantages in Biological Systems

Yuan Jiao et al.

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Effect of Solvent-Derived Highly Luminescent Multicolor Carbon Dots for White-Light-Emitting Diodes and Water Detection

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A double carbon dot system composed of N, Cl-doped carbon dots and N, Cu-doped carbon dots as peroxidase mimics and as fluorescent probes for the determination of hydroquinone by fluorescence

Xiuli Wang et al.

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Red-Emitting Carbon Dots as a Dual Sensor for In3+ and Pd2+ in Water

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ACS OMEGA (2020)

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Rational Design of Far-Red to Near-Infrared Emitting Carbon Dots for Ultrafast Lysosomal Polarity Imaging

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ACS APPLIED MATERIALS & INTERFACES (2020)

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Phenylenediamine-Based Carbon Nanodots Alleviate Acute Kidney Injury via Preferential Renal Accumulation and Antioxidant Capacity

Jie Gao et al.

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Discriminatory Interaction Behavior of Lipid Vesicles toward Diversely Emissive Carbon Dots Synthesized from Ortho, Meta, and Para Isomeric Carbon Precursors

Nishu Kanwa et al.

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Lysosome-targeted ratiometric fluorescent sensor for monitoring pH in living cells based on one-pot-synthesized carbon dots

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A phenylenediamine-based carbon dot-modified silica stationary phase for hydrophilic interaction chromatography

Yali Yang et al.

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Surface modification strategy for fluorescence solvatochromism of carbon dots prepared from p-phenylenediamine

Kohei Sato et al.

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A critical comparison of lanthanide based upconversion nanoparticles to fluorescent proteins, semiconductor quantum dots, and carbon dots for use in optical sensing and imaging

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Facile synthesis and photoluminescence mechanism of green emitting xylose-derived carbon dots for anti-counterfeit printing

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Highly Emissive Carbon Dots in Solid State and Their Applications in Light-Emitting Devices and Visible Light Communication

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Fluorescence Solvatochromism of Carbon Dot Dispersions Prepared from Phenylenediamine and Optimization of Red Emission

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Carbon dots synthesized at room temperature for detection of tetracycline hydrochloride

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Solvent-controlled and solvent-dependent strategies for the synthesis of multicolor carbon dots for pH sensing and cell imaging

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Carbon quantum dots and their biomedical and therapeutic applications: a review

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Red, green, and blue fluorescent folate-receptor-targeting carbon dots for cervical cancer cellular and tissue imaging

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High efficiency red emission carbon dots based on phenylene diisocyanate for trichromatic white and red LEDs

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Surface state modulation of red emitting carbon dots for white light-emitting diodes

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Concentrated solar irradiation protocols for the efficient synthesis of tri-color emissive carbon dots and photophysical studies

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Preparation of fluorescent N,P-doped carbon dots derived from adenosine 5'-monophosphate for use in multicolor bioimaging of adenocarcinomic human alveolar basal epithelial cells

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Large-scale simultaneous synthesis of highly photoluminescent green amorphous carbon nanodots and yellow crystalline graphene quantum dots at room temperature

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Large Emission Red-Shift of Carbon Dots by Fluorine Doping and Their Applications for Red Cell Imaging and Sensitive Intracellular Ag+ Detection

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Sustainable carbon-dots: recent advances in green carbon dots for sensing and bioimaging

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Facile synthesis of multicolor photoluminescent polymer carbon dots with surface-state energy gap-controlled emission

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Towards efficient dual-emissive carbon dots through sulfur and nitrogen co-doped

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High color rendering index trichromatic white and red LEDs prepared from silane-functionalized carbon dots

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Excitation-Independent Dual-Color Carbon Dots: Surface-State Controlling and Solid-State Lighting

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Preparation of an Efficient Ratiometric Fluorescent Nanoprobe (m-CDs@[Ru(bpy)3]2+) for Visual and Specific Detection of Hypochlorite on Site and in Living Cells

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Label-free upconversion nanoparticles-based fluorescent probes for sequential sensing of Cu2+, pyrophosphate and alkaline phosphatase activity

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Dual-Colored Carbon Dot Ratiometric Fluorescent Test Paper Based on a Specific Spectral Energy Transfer for Semiquantitative Assay of Copper Ions

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Nile Red Derivative-Modified Nanostructure for Upconversion Luminescence Sensing and Intracellular Detection of Fe3+ and MR Imaging

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Triple-Mode Emission of Carbon Dots: Applications for Advanced Anti-Counterfeiting

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Microwave synthesis of carbon dots with multi-response using denatured proteins as carbon source

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Improving the functionality of carbon nanodots: doping and surface functionalization

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Heteroatom-doped carbon dots: synthesis, characterization, properties, photoluminescence mechanism and biological applications

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Microwave-assisted facile synthesis of yellow fluorescent carbon dots from o-phenylenediamine for cell imaging and sensitive detection of Fe3+ and H2O2

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Carbon nanodots prepared from o-phenylenediamine for sensing of Cu2+ ions in cells

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Ultrasensitive and selective detection of Cu2+ in aqueous solution with fluorescence enhanced CdSe quantum dots

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Highly Photoluminescent Carbon Dots for Multicolor Patterning, Sensors, and Bioimaging

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An effect of carbonization on the electrorheology of poly(p-phenylenediamine)

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A fluorescent ratiometric nanosensor for detecting NO in aqueous media and imaging exogenous and endogenous NO in live cells

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Surface Chemistry Routes to Modulate the Photoluminescence of Graphene Quantum Dots: From Fluorescence Mechanism to Up-Conversion Bioimaging Applications

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Quantum-sized carbon dots for bright and colorful photoluminescence

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Electrophoretic analysis and purification of fluorescent single-walled carbon nanotube fragments

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