![]() ![]() Ultrastable and ultrasensitive pH-switchable carbon dots with high quantum yield for water quality identification, glucose detection, and two starch-based solid-state fluorescence materials. Transformable honeycomb-like nanoassemblies of carbon dots for regulated multisite delivery and enhanced antitumor chemoimmunotherapy. Carbon-dot-supported atomically dispersed gold as a mitochondrial oxidative stress amplifier for cancer treatment. Graphene quantum dots prevent α-synucleinopathy in parkinson’s disease. Interface photo-charge kinetics regulation by carbon dots for efficient hydrogen peroxide production. Single atom ruthenium-doped CoP/CDs nanosheets via splicing of carbon-dots for robust hydrogen production. A general route to prepare low-ruthenium-content bimetallic electrocatalysts for pH-universal hydrogen evolution reaction by using carbon quantum dots. Exploiting ru-induced lattice strain in coru nanoalloys for robust bifunctional hydrogen production. Multicolor carbon dots with concentration-tunable fluorescence and solvent-affected aggregation states for white light-emitting diodes. Carbon-dots-based white light-emitting diodes with adjustable correlated color temperature guided by machine learning. Red-carbon-quantum-dot-doped SnO 2 composite with enhanced electron mobility for efficient and stable perovskite solar cells. Bright high-colour-purity deep-blue carbon dot light-emitting diodes via efficient edge amination. Amplified fluorescence of Mg 2+ selective red-light emitting carbon dot in water and direct evaluation of creatine kinase activity. Chemiluminescent carbon dots: Synthesis, properties, and applications. A multifunctional nanoprobe for targeting tumors and mitochondria with singlet oxygen generation and monitoring mitochondrion pH changes in cancer cells by ratiometric fluorescence imaging. Targeted tumour theranostics in mice via carbon quantum dots structurally mimicking large amino acids. Photonic carbon dots as an emerging nanoagent for biomedical and healthcare applications. The photoluminescence mechanism in carbon dots (graphene quantum dots, carbon nanodots, and polymer dots): Current state and future perspective. Theoretical calculations verify the experimental results, and the prepared CDs are successfully used to develop multi-color and white light-emitting diodes (LEDs). Therefore, the red-shift in their emission peaks is attributed to an increased degree of carbonization in their polymer structure. Although the samples have similar graphitic structure, they exhibit different surface states due to variations in the degree of oxidation and carbonization. Column chromatography separation shows that the synthesized W-CDs are composed of blue-, cyan-, and yellow-emitting CDs that fluoresce at wavelengths corresponding to the three emission centers of W-CDs. Herein, we use ethanol as a carbon source to synthesize white-emitting CDs (W-CDs). Considering that the purification of the synthesized by-products is difficult, the process of CDs formation cannot be readily analyzed and understood. The hydrothermal/solvothermal method commonly used to prepare CDs is complicated and leads to the generation of many by-product CDs with similar structures. ![]() ![]() Although previous studies have shown that almost all organic molecules can be converted into CDs via chemical carbonization, the mechanism of the conversion process remains unclear. Carbon dots (CDs) have attracted much attention due to their excellent photoelectric properties and potential applications.
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