ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

Synthesis of graphitic carbon nitride (g-C₃N₄)-doped metal sulfide nanocomposite for supercapacitor applications

Shaimaa A. M. Abdelmohsen, Meznah M. Alanazi, Lana M. Sulayem, Salma Aman, Hafiz Muhammad Tahir Farid, and Muhammad Suleman Waheed

Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia

E-mail: sulmanwaheed52@gmail.com

Received: 6 August 2025  Accepted: 26 August 2025

Abstract:

Nanostructured electrode materials are a promising area of study due to the impending energy demands of subsequent generations caused by our excessive reliance on fossil fuels. The long life, high power density and many environmental and financial advantages of supercapacitors make them an innovative, eco-friendly energy storage solution. This  work describes the MoS₂/g-C₃N₄ (MS/GCN) electrode material’s structural development and electrochemical performance. The material was prepared using a hydrothermal process, which resulted in a notable increase in specific capacitance (C_s) and exceptional long-term stability throughout cycling. Physical tests like, Brunauer–Emmett–Teller (BET), scanning electron microscopy (SEM), X-ray diffraction can study the physical properties of manufactured electrode. Electrochemical study of manufactured materials was assessed using, galvanostatic charging/discharging (GCD), chronoamperometry (CA), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). MoS₂/g-C₃N₄ (MS/GCN) composite exhibited C_s was 818.27 F/g at 1 A/g current density (J_d) with power density (P_d) of 390 W/Kg and energy density (E_d) of 69.13 Wh/kg. The composite remained stable for 50 h after the 5000th cycle, demonstrating high cyclic stability. This work demonstrated that fabricated MS/GCN is an outstanding for energy storage devices.

Graphical abstract

Keywords: MoS2/g-C3N4 composite; Energy storage device; Hydrothermal method; Supercapacitor; Transition metal sulfide

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-025-04354-4

Chemical Papers 79 (12) 8829–8842 (2025)