Abstract
The paper reports preparation and electrochemical study of graphene oxide/samarium sulfide (GO/Sm2S3) composite electrode. The GO/Sm2S3 electrode is prepared using successive ionic layer reaction (SILAR) method. The XRD and FTIR studies show the formation of GO/Sm2S3 composite material on stainless steel electrode. The field emission scanning electron microscopy (FE-SEM) image shows the nano-strips like surface morphology of composite material thin film. The GO/Sm2S3 composite thin film shows superhydrophilic nature with a contact angle of 5° The surface area of GO/Sm2S3 composite thin film is 31.43 m2g−2 measured using Brunauer-Emmett-Teller (BET) technique. The electrochemical study of GO/Sm2S3 electrode carried out in 1 M Na2SO4 electrolyte exhibits specific capacitance of 360 Fg−1 at 5 mVs−1 scan rate.
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