Preparation and characterization of flexible and free-standing CuS/rGO composite paper

A flexible, free-standing and durable CuS/reduced graphene oxide (rGO) composite paper electrode was prepared with a simple electrochemical deposition of CuS structures on the surface of the rGO paper electrode. CuS/rGO composite paper electrode was characterized by using scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and Raman spectroscopy. The morphological characterization displayed that the surface of the rGO paper electrode was covered with ball-like CuS structures. Microstructures of rGO and CuS/rGO papers and the intensity of surface defects were compared with Raman spectra. Electrochemical studies exhibited that as-prepared CuS/GO composite paper electrode has very high electrochemical activity.

Keywords:

CuS graphene-based electrode, characterization,

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