Pressure dependence of the solubility of light fullerenes in n -nonane

Semenov, Konstantin N.; Чарыков, Н. А.; López, Enriqueta R.; Fernández, Josefa; Sharoyko, Vladimir V.; Murin, I. V.

doi:10.1016/j.jct.2017.05.017

Cited by 4 publications

(2 citation statements)

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“…29 C 60 was found to aggregate slowly even at fairly dilute solution concentrations ranging from 1.39 to 2.11 mg/mL at 23−26 °C. Among recent reports, the solubilities of light fullerenes (C 60 and C 70 ) in n-nonane was investigated in the pressure range of 0.1−100 MPa and the temperature range of 298.3−353.3 K. 30 Under isothermal conditions, the solubility, expressed as the weight fraction of the fullerene in the solution, increases monotonously with increasing pressure. At ambient pressure, it was found that the temperature dependence of the solubility of C 60 in n-nonane is nonmonotonic (in contrast to the C 70 −nnonane system), being related to desolvation of the C 60 −n-C 9 H 20 solvate.…”

Section: ■ Solubilization Of Fullerenesmentioning

confidence: 99%

“…C 60 was found to aggregate slowly even at fairly dilute solution concentrations ranging from 1.39 to 2.11 mg/mL at 23–26 °C. Among recent reports, the solubilities of light fullerenes (C 60 and C 70 ) in n -nonane was investigated in the pressure range of 0.1–100 MPa and the temperature range of 298.3–353.3 K . Under isothermal conditions, the solubility, expressed as the weight fraction of the fullerene in the solution, increases monotonously with increasing pressure.…”

Section: Solubilization Of Fullerenesmentioning

confidence: 99%

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Solubilization and Dispersion of Carbon Allotropes in Water and Non-aqueous Solvents

Kharissova

González

Kharissov

2018

Ind. Eng. Chem. Res.

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Available methods for solubilization and dispersion of several carbon allotropes (with the exception of dispersions in polymers) in organic solvents and water are reviewed. Main attention is paid to graphite, graphene, fullerenes, nanoonions, nanodiamonds, carbon nanotubes, and carbon nanodots. The techniques to increase the "solubility" of carbon allotropes include chemical functionalization of the carbon surface (covalent and non-covalent functionalization, oxidation via ozonation, insertion of electron-withdrawing atoms (fluorination), polymer grafting, swelling and biomolecule treatments, use of molecular "wedges" for intercalation, thermal reduction, etc.). The combination of functionalization with the use of surfactants, ultrasound, laser ablation, milling, microwave expansion, hydrothermal methods, and other treatments leads to better results. The possibility of dispersion and the size of the formed particles depend on a series of factors, in particular the nature of the solvent, its viscosity and hydrogen-bond donation ability, dispersion interactions, π−π stacking between the carbon surface and reagents, and the nature of the surfactants, among others.

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Section: ■ Solubilization Of Fullerenesmentioning

confidence: 99%

Section: Solubilization Of Fullerenesmentioning

confidence: 99%