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Sim, Sy, Feihu, Zeng, Zhiwen, Wang, Mingrui, Lai. (1404). Synthesis and characterization of reduced graphene using vitamin C for conductive electrode applications. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 19(2), 1-8. doi: 10.57647/j.mjee.2025.1902.30
Sy Yi Sim; Zeng Feihu; Wang Zhiwen; Lai Mingrui. "Synthesis and characterization of reduced graphene using vitamin C for conductive electrode applications". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 19, 2, 1404, 1-8. doi: 10.57647/j.mjee.2025.1902.30
Sim, Sy, Feihu, Zeng, Zhiwen, Wang, Mingrui, Lai. (1404). 'Synthesis and characterization of reduced graphene using vitamin C for conductive electrode applications', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 19(2), pp. 1-8. doi: 10.57647/j.mjee.2025.1902.30
Sim, Sy, Feihu, Zeng, Zhiwen, Wang, Mingrui, Lai. Synthesis and characterization of reduced graphene using vitamin C for conductive electrode applications. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1404; 19(2): 1-8. doi: 10.57647/j.mjee.2025.1902.30

Synthesis and characterization of reduced graphene using vitamin C for conductive electrode applications

Majlesi Journal of Electrical Engineering
مقاله 7، دوره 19، شماره 2، شهریور 2025، صفحه 1-8    اصل مقاله (3.44 M)
نوع مقاله: Reseach Article
شناسه دیجیتال (DOI): 10.57647/j.mjee.2025.1902.30
نویسندگان
Sy Yi Sim* 1؛ Zeng Feihu2، 3؛ Wang Zhiwen2، 3؛ Lai Mingrui2
1Faculty of Electrical and Electronic Engineering, University Tun Hussein Onn Malaysia, Johor, Malaysia.
2Liming Vocational University, Quanzhou, China.
3Faculty of Engineering Technology, University Tun Hussein Onn Malaysia, Pagoh, Johor, Malaysia.
چکیده
In this study, reduced graphene oxide (rGO) was synthesized by reducing graphene oxide (GO) using Vitamin C (VC) as a reducing agent, to create a conductive electrode material. The structural and property effects of VC/GO mass ratios, reaction temperature and time on rGO were investigated in detail. Structural characterization and conductivity assessments of both GO and rGO were conducted using powder X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) surface area analysis, and a four-probe conductivity tester. The results showed that VC as a reducing agent effectively reduces the functional groups on the GO surface, forming C=C bonds, while also increasing the d-spacing of rGO. The increase of reaction temperature promotes the ionization and decomposition of VC, thereby improving the reaction efficiency. The synthesized rGO exhibited a porous network with an irregular structure formed by interconnected, wrinkled nanosheets. Optimal conditions were
observed when the VC/GO mass ratio was 1:1, the reaction temperature was 100 °C, and the reaction time was 3 hours. Under these conditions, the synthesized rGO material achieved a resistivity of 1.82 Ω·cm and a resistance value of 2.75 Ω, positioning it as an excellent electrode material. 
کلیدواژه‌ها
Vitamin C؛ Graphene؛ Reduced graphene oxide؛ Electrode
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