Synthesis, Electrochemical Characterization and Determination of Photocatalytic Activity of Zn-doped Iron Oxide / Graphene Oxide / Chitosan Nanocomposite
J. Environ. Nanotechnol., Volume 8, No 4 (2019) pp. 10-11
Abstract
A nanocomposite of Zn-doped Iron oxide/Graphene Oxide/Chitosan was prepared by simple solution mixing and evaporation using ultrasonication. Formation of composite in nano-dimensions was proved by XRD, TEM and AFM studies. Electrochemical characterization of the nanocomposite has shown that the composite had good electrochemical stability. Nyquist plot has shown a well-defined semicircle indicating its good capacitance behavior. Impedance studies through Bode phase angle plot have shown nearly 90° phase angle, indicating the nanocomposite as a very good candidate for supercapacitor applications. The synthesized nanocomposite has shown photocatalytic activity in sunlight against methylene blue dye with a highly efficient removal of 97.2% in 60 minutes.
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Reference
Christelle Pau Ping Wong, Chin Wei Lai, Kian Mun Lee, Sharifah Bee Abd Hamid, Advanced chemical reduction of reduced graphene oxide and its photocatalytic activity in degrading reactive black 5, Mater., 8(10), 7118 (2015).
https://dx.doi.org/10.3390/ma8105363
Ding X., Wang Y., Wang Y., Pan Q., Chen J., Huang Y.H., Xu K., Preparation of magnetic chitosan and graphene oxide-functional guanidinium ionic liquid composite for the solid-phase extraction of protein, Anal. Chim Acta., 861, 36-46 (2015).
https://dx.doi.org/10.1016/j.aca.2015.01.004
Sezai Sarac, A., Murat Ates, Bilge Kilic, Electrochemical impedance spectroscopic study of polyaniline on platinum, glassy carbon and carbon fiber microelectrodes, Int. J. Electrochem. Sci., 3(2008), 777 (2008).
