Characterizing the impact of preparation method on fullerene cluster structure and chemistry

We examined the physical and chemical characteristics of colloidal dispersions of fullerene materials (nC60) produced through several solvent exchange processes and through extended mixing in water only. The nC60 produced via the different methods were unique from each other with respect to size, mo...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 22(2006), 8 vom: 11. Apr., Seite 3878-85
1. Verfasser: Brant, Jonathan A (VerfasserIn)
Weitere Verfasser: Labille, Jérôme, Bottero, Jean-Yves, Wiesner, Mark R
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Characterizing the impact of preparation method on fullerene cluster structure and chemistry 
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520 |a We examined the physical and chemical characteristics of colloidal dispersions of fullerene materials (nC60) produced through several solvent exchange processes and through extended mixing in water only. The nC60 produced via the different methods were unique from each other with respect to size, morphology, charge, and hydrophobicity. The greatest dissimilarities were observed between the nC60 produced by extended mixing in water alone and the nC60 produced by solvent exchange processes. The role of the respective solvents in determining the characteristics of the various nC60 were attributed to differences in the solvent-C60 interactions and the presence of the solvent as a residual in the nC60 structure, indicating the significance of the solvent properties in determining the ultimate characteristics of the colloidal fullerene. Thus, fullerene C60 that may become mobilized through natural processes (agitation in water) may behave in dramatically different ways than those produced through more artificial means. These results highlight the difficulties in generalizing nC60 properties, particularly as they vary in potential toxicity considerations 
650 4 |a Journal Article 
700 1 |a Labille, Jérôme  |e verfasserin  |4 aut 
700 1 |a Bottero, Jean-Yves  |e verfasserin  |4 aut 
700 1 |a Wiesner, Mark R  |e verfasserin  |4 aut 
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