Comparison of the electrochemical properties of thin films of MWCNTs/C-60-Pd, SWCNTs/C-60-Pd and ox-CNOs/C-60-Pd
PBN-AR
Instytucja
Wydział Biologiczno-Chemiczny (Uniwersytet w Białymstoku)
Informacje podstawowe
Główny język publikacji
angielski
Czasopismo
Electrochimica Acta
ISSN
0013-4686
EISSN
Wydawca
PERGAMON-ELSEVIER SCIENCE LTD
DOI
URL
Rok publikacji
2013
Numer zeszytu
4
Strony od-do
274-284
Numer tomu
96
Link do pełnego tekstu
Liczba arkuszy
1,7
Streszczenia
Język
angielski
Treść
This work describes the study of the electrochemical properties of fullerene polymer composites, C60-Pd, and different carbon nanostructures, such as single walled carbon nanotubes, multi walled carbon nanotubes and carbon nanoonions, as potential electrode materials for supercapacitors. The carbon nanostructures were deposited onto a bare gold disc electrode by a vapor deposition process. In the next step, the fullerene was electrochemically polymerized under cyclic voltammetric conditions. The obtained composites are electrochemically active at negative potentials due to the reduction of the fullerene moieties. The voltammetric response corresponding to this electrochemical process depends on the type of nanostructure and the amount of material deposited at the electrode surface. Such systems exhibit promising electrochemical properties. The highest capacitance of about 1000 F g−1, with respect to mass of polymer, was obtained for the SWCNTs/C60-Pd composite. This value is about four times higher compared to the capacitance of the polymer deposited on a bare gold electrode surface. Lower values of the specific capacitance were obtained for composites containing other MWCNTs and ox-CNOs. For the C60-Pd/ox-CNOs composites the highest values of the specific capacitance were found to be about 280 F g−1.
Cechy publikacji
publikacja naukowa oryginalna
Inne
System-identifier
000032392
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