2017
DOI: 10.1021/acs.analchem.7b02193
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Abstract: This study describes a bottom-up assembly route for monodisperse carbon dots (CDs) into different sizes of CD aggregates through the control of the concentration of fatty acids. The highly monodisperse CDs were prepared via solvent-thermal treatment of edible soybean oil, which generated glycerol-based polymer as a carbon source and fatty acid as a surface capping in the synthetic process. The as-synthesized CDs exhibited small particle size variation (2.7 ± 0.2 nm) and narrow emission bands (full width at hal… Show more

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Cited by 69 publications
(30 citation statements)
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“…The above results can be elucidated in terms of oleochemistry. The FAs tend to form so called “inversed micelles” in oil with the hydrophilic end towards the center of sphere 26,27,35,36 . If the water is introduced, it is attracted into the center to form a core of inverse micelle.…”
Section: Discussionmentioning
confidence: 99%
“…The above results can be elucidated in terms of oleochemistry. The FAs tend to form so called “inversed micelles” in oil with the hydrophilic end towards the center of sphere 26,27,35,36 . If the water is introduced, it is attracted into the center to form a core of inverse micelle.…”
Section: Discussionmentioning
confidence: 99%
“…Subsequently, hydronium ion formed from these acids act as a catalyst where these intermediaries undergo dehydration, polymerization, condensation and transform into soluble polymeric product. Then, aromatization reactions and creation of aromatic clusters occur via aldol condensation (Chen and Tseng, 2017) and cycloaddition reactions (De and Karak, 2013). A single burst nucleation formed when the concentration of these aromatic clusters reach a critical supersaturation point, and C-Dots are formed.…”
Section: Hydrothermal Treatment Of C-dotsmentioning
confidence: 99%
“…Hydrophilic groups can increase the water dispersity of the CDs, facilitating cell and biological experiments. The surface carboxyl groups may interact with certain metal ions to cause fluorescence quenching, allowing the detection of specific metal ions [38][39][40][41][42][43]. As the name implies, the reaction solvent used in hydrothermal reactions is water, and the reaction solvent used in the solvothermal treatment is an organic substance, such as ethanol, dichloromethane, or DMF.…”
Section: Introductionmentioning
confidence: 99%