Moringa Oleifera leaf extract mediated synthesis of reduced graphene oxide-vanadium pentoxide nanocomposite for enhanced specific capacitance in supercapacitors
- Authors
- Vinuth, Raj T.N.; Hoskeri, Priya A; Hamzad, Shanavaz; Anantha, M.S.; Joseph, C.M.; Muralidhara, H.B.; Yogesh, Kumar K.; Alharti, Fahad A.; Jeon, Byong-Hun; Raghu, M.S.
- Issue Date
- Aug-2022
- Publisher
- Elsevier B.V.
- Keywords
- Eco-friendly; Energy storage; Green synthesis; RGO/V2O5; Supercapacitors
- Citation
- Inorganic Chemistry Communications, v.142, pp.1 - 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- Inorganic Chemistry Communications
- Volume
- 142
- Start Page
- 1
- End Page
- 10
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/191162
- DOI
- 10.1016/j.inoche.2022.109648
- ISSN
- 1387-7003
- Abstract
- Moringa Oleifera leaf extract has been prepared and used as an environmental-friendly reducing agent. Reduced graphene oxide (RGO) has been decorated with vanadium pentoxide (V2O5) in presence of Moringa Oleifera leaf extract to generate a RGO/V2O5 nanocomposite. Analytical, spectroscopic, and electrochemical characterizations of synthesized V2O5, RGO, and RGO/V2O5nanocomposite have been used to evaluate its morphology and structure. The RGO production and recombination with V2O5 are confirmed by the Characterization result. RGO, V2O5, and RGO/V2O5 nanocomposite have been evaluated for their electrochemical performances in supercapacitor applications by using various electrochemical techniques. The enhanced specific capacitance of 906 Fg−1 has been accomplished for RGO/V2O5 nanocomposite compared to 146 and 535 Fg−1 for V2O5 and RGO, respectively, at 2 mVs−1 scan rate using cyclic voltammetry (CV) technique. Chronopotentiometry technique has also been evaluated and observed the specific capacitance of 380 Fg−1 at a current density of 0.5 Ag−1. RGO/V2O5 nanocomposite could be a choice of material in energy storage devices.
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