FABRICATION OF REDUCED GRAPHENE OXIDE-BASED ELECTRODES: COMPARISON OF COBALT NANOPARTICLES LOADING

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AHMADI H.; KARGOSHA K.; HEMMATKHAH P.

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Journal: Journal of Applied Research in Chemistry Year:2017 | Volume:11 | Issue:3 Page(s): 43-49

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Information Journal Paper

Title

FABRICATION OF REDUCED GRAPHENE OXIDE-BASED ELECTRODES: COMPARISON OF COBALT NANOPARTICLES LOADING

Author(s)

AHMADI H. | KARGOSHA K. | HEMMATKHAH P. | Issue Writer Certificate

Keywords

GRAPHENE OXIDEQ1

CATHODIC REDUCTIONQ2

CHEMICAL REDUCTIONQ2

GRAPHENE-BASED ELECTRODEQ1

COBALT NPSQ1

Abstract

Graphene nanosheets were deposited and reduced on a glassy carbon electrode from a colloidal GRAPHENE OXIDE solution using cyclic voltammetry. CHEMICAL REDUCTION and immersion for reducing and depositing of graphene was also investigated to compare with the electrochemical method. Cobalt nanoparticles were also synthesized via an electrochemical approach. The resulting electrodes were characterized with scanning electron microscopy and cyclic voltammetric response of the graphene-Co NPs composite electrodes in the phosphate solutions were compared in this study and it was made clear that the composite electrodes fabricated with the electrochemical methods gave better response and signal towards the phosphate ion. Based on the resulted data, it leads to conclusion that the CATHODIC REDUCTION method is the preferred one to fabricate graphene-based composite electrodes, in comparison with the CHEMICAL REDUCTION/immersion method. Findings from the current study can be applied in future for designing and fabricating electrochemical sensors based on graphene and nanometal particles as sensing agents.

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APA: Copy

AHMADI, H., KARGOSHA, K., & HEMMATKHAH, P.. (2017). FABRICATION OF REDUCED GRAPHENE OXIDE-BASED ELECTRODES: COMPARISON OF COBALT NANOPARTICLES LOADING. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 11(3 ), 43-49. SID. https://sid.ir/paper/179979/en

Vancouver: Copy

AHMADI H., KARGOSHA K., HEMMATKHAH P.. FABRICATION OF REDUCED GRAPHENE OXIDE-BASED ELECTRODES: COMPARISON OF COBALT NANOPARTICLES LOADING. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2017;11(3 ):43-49. Available from: https://sid.ir/paper/179979/en

IEEE: Copy

H. AHMADI, K. KARGOSHA, and P. HEMMATKHAH, “FABRICATION OF REDUCED GRAPHENE OXIDE-BASED ELECTRODES: COMPARISON OF COBALT NANOPARTICLES LOADING,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 11, no. 3 , pp. 43–49, 2017, [Online]. Available: https://sid.ir/paper/179979/en

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