On the Stability of Fullerene C60 in Aqueous Medium

被引:6
作者
Gal, Miroslav [1 ]
Kolivoska, Viliam [1 ]
Kavan, Ladislav [1 ]
Bulickova, Jana [1 ]
Pospisil, Lubomir [1 ]
Hromadova, Magdalena [1 ]
Zukalova, Marketa [1 ]
Sokolova, Romana [1 ]
Kielar, Filip [2 ]
机构
[1] Acad Sci Czech Republic, J Heyrovsky Inst Phys Chem, CR-18223 Prague 8, Czech Republic
[2] Duke Univ, Dept Chem, Durham, NC 27706 USA
关键词
Fullerene; AFM; dispersion; TOF-SIMS; sonication; infrared spectroscopy; TOF-SIMS; COLLOIDAL SOLUTIONS; WATER;
D O I
10.1080/1536383X.2011.572315
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Fullerene C-60 was dissolved in toluene-water mixture under sonochemical activation, and after toluene evaporation a stable aqueous solution remained. The problem of C-60 stability in aqueous medium was studied by means of polarization modulation infrared reflection adsorption spectroscopy (PM IRRAS), time-of-flight secondary ion mass spectrometry (TOF SIMS) and atomic force microscopy/scanning tunneling microscopy (AFM/STM) techniques. It was found that C-60 clusters are in the aqueous solution stabilized by the presence of thin layer of methylbenzoate produced during sonication.
引用
收藏
页码:737 / 742
页数:6
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