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Fullerene C60 in Aqueous Medium
Kocábová, Jana ; Gál, Miroslav ; Hromadová, Magdaléna ; Kavan, Ladislav ; Pospíšil, Lubomír ; Sokolová, Romana
The aqueous solution of C60 was investigated by electrochemical and spectroscopis methods such as UV-Vis, Raman, FTIR and AFM techniques. The association constants of fullerene-gamma-cyclodextrin complex and ,ethanofullerene conjugates with beta-cyclodextrins in aqueous solution were evaluated from the shifts of the formal redox potential of complexed and uncomplexed fullerene. The most suitable techniques for electrochemical characterization of fullerene derivatives proved to be the low-frequency phase-sensitive AC polarography and the steady-state voltammetry.
Electrochemical characterization of water soluble fullerenes
Kocábová, Jana ; Gál, Miroslav ; Hromadová, Magdaléna ; Pospíšil, Lubomír
Fullere (C60) is a highly hydrophobic compound and it is considered to be insoluble in water. Different approaches were described for preparing aqueous solutions of C60. One of the possibilities is to create an inclusion complex of the C60 inside a cavity of gamma-cyclodextrin. Recently, we have shown that such complexes are capable of the electrochemical conversion of N2 to ammonium ions.
Electrochemical nitrogen fixation in the presence of fullerene -.gamma.-cyclodextrin complex
Kocábová, Jana ; Gál, Miroslav ; Hromadová, Magdaléna ; Pospíšil, Lubomír
We report on the electrochemical conversion of dinitrogen to ammonia at ambient pressure and 60oC mediated by reduced fullerene (C60) inside a molecular cavity of .gamma.-cyclodextrin (.gamma.-CD) in aqueous solution.

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2 Gál, M.
3 Gál, Marek
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