Lighting up of carbon dots for copper(ii) detection using an aggregation-induced enhanced strategy

Abstract

Carbon dots have promising prospects for analytical and monitoring purposes but are greatly hindered by the aggregation-induced luminescence quenching owing to the π-π interaction or the non-radiation-excited radical complex formation....

Synthesis of Up-Conversion Fluorescence N-Doped Carbon Dots with High Selectivity and Sensitivity for Detection of Cu2+ Ions

“…Through the comparison of the differences between DN-CDs, N-CDs-1 and N-CDs-2, the ratio of N and O atoms were found to be a potential reason for the ability to detecting Cu 2+ and Fe 3+ ions. Table S1 summarized the detection parameters for the selective detection of metal ions (Cu 2+ and Fe 3+ ) with the different N-doped carbon dots [66][67][68][69][70][71][72][73][74][75][76][77][78][79]. It could be found that although N-doped carbon dots contained different electron-rich functional groups, we suggest that the proportion of the N, O atoms might affect the selectivity towards Cu 2+ and Fe 3+ ions.…”

Utilizing machine learning to expedite the fabrication and biological application of carbon dots

“…7c and d. Zhang et al 112 prepared orange-yellow quantum dots through a solvothermal method, which can be used to detect Cu 2+ . The fluorescence intensity increased with increasing concentration of Cu 2+ , as displayed in Fig.…”

The preparation of hybrid silicon quantum dots by one-step synthesis for tetracycline detection and antibacterial applications

“…As an emerging class of photoluminescent quantum dots, QDs have become the focus of nanomaterials because of their special photoelectric properties, excellent biocompatibility and stability. [9][10][11][12] Compared with traditional III-V (InAs, GaSb, and GaN) 13 , II-VI QDs (CdSe, ZnSe, and CdTe) 14 and other nanoparticles, [15][16][17] silicon quantum dots (SiQDs) have unique properties 18,19 including innocuousness, greenness, low cost, and high sensitivity and selectivity. Importantly, SiQDs also have the benets of good biocompatibility because they can be converted by the kidneys into silicates and excreted in the urine.…”