A COMPARISON OF THREE-WAY SYNTHESIS AND CHARACTERIZATION OF REDUCED GRAPHENE OXIDE–SULFUR COMPOSITE

Inam Ul Haq, Abdul Waheed Anwar, Abdul Waheed, Zunair Arslan, Usman Ilyas and Akhtar Munir
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Inam Ul Haq: Department of Physics, University of Engineering and Technology, Lahore 54890, Pakistan
Abdul Waheed Anwar: Department of Physics, University of Engineering and Technology, Lahore 54890, Pakistan
Abdul Waheed: ��Department of Physics, Islamia College, Peshawar 25120, Pakistan
Zunair Arslan: Department of Physics, University of Engineering and Technology, Lahore 54890, Pakistan
Usman Ilyas: Department of Physics, University of Engineering and Technology, Lahore 54890, Pakistan
Akhtar Munir: ��Department of Physics, Hazara University, Mansehra 21120, Pakistan

Surface Review and Letters (SRL), 2021, vol. 28, issue 10, 1-6

Abstract: Graphite oxide was prepared by improved Hummer’s method. Then the graphene oxide (GO) suspension was obtained through ultrasonication for 1 h. The GO suspension was mixed with sulfur (S) using three different methods (namely sodium polysulfide route, sodium borohydride route, and hydrothermal route) of which two were chemical methods while one was hydrothermal method to make the composite material of reduce GO and sulfur (rGO–S). The electrode of the rGO–S composite was then prepared by making a slurry of active material, carbon black and polyvinylidene fluoride (PVDF). The sample of GO was analyzed using UV–visible and FTIR spectroscopy, while the sample of rGO and S was analyzed using XRD. This confirmed the synthesis of rGO–S for all the three methods. The comparison of all the three methods shows that the chemical methods are time consuming, difficult and toxic while hydrothermal method is easy and friendly.

Keywords: graphite oxide; graphene oxide; reduce graphene oxide; reduce graphene oxide - sulfur; chemical synthesis; hydrothermal synthesis (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218625X21500888

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