Journal
CHEMICAL PHYSICS LETTERS
Volume 712, Issue -, Pages 83-88Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2018.09.070
Keywords
Iron tungstate; Supercapacitor; Graphitic carbon nitride; Electrochemical properties
Funding
- National Research Foundation (NRF) by the Ministry of Education, Science, Technology (MEST), Republic of Korea [2017-R1C1B2011968]
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Highly crystalline FeWO4 nanorods (FWO NRs) prepared by a hydrothermal reaction is combined with g-C3N4 (gCN) nanosheet as an electrode material for the supercapacitor. Fabricated nanocomposites were analysed using X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS), transmission electron microscopy (TEM), X-ray photoelectron microscopy (XPS), and Raman Spectroscopy. Pseudocapacitive performance of the FWO/gCN nanocomposite was evaluated by cyclic voltammetry (CV), electrochemical impedance and galvanometric experiments in an alkaline medium. Thus FWO/gCN nanocomposite exhibited a high specific capacitance of 357 F g(-1) at 5 mV s(-1) and demonstrated a superior long-term cyclic stability, with the specific capacitance retention of about 80% after 1000 cycles.
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