Chemical Engineering

Agung Nugroho1This email address is being protected from spambots. You need JavaScript enabled to view it., Izzan Fariz Rahman1, Farhan Erviansyah1, Nur Layli Amanah1, Yohana Fransiska Ferawati2, Arenst Andreas Arie3, and Ratna Frida Susanti3This email address is being protected from spambots. You need JavaScript enabled to view it.

1Department of Chemical Engineering, Universitas Pertamina, Jalan Teuku Nyak Arief, Simprug, Kebayoran Lama, Jakarta, Indonesia

2Departement of Chemical Engineering, Politeknik Negeri Bandung, Jawa Barat, Indonesia

3Chemical Engineering Department, Industrial Technology Faculty, Parahyangan Catholic University, Bandung, Jawa Barat, Indonesia

 

 

Received: September 29, 2024
Accepted: April 4, 2025
Publication Date: June 7, 2025

 Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.


Download Citation: ||https://doi.org/10.6180/jase.202602_29(2).0012  


One possible approach to improve the electrochemical properties of reduced graphene oxide (rGO) is the heteroatom doping strategy. Usually, just one or two atom doping can boost electrode performance. We opted to see if three-atom doping can further improve performance. We simultaneously doped three atoms (N, F and S) into the rGO structure using thiourea and ammonium fluoride as dopant precursors with the hydrothermal method. Three-atom doping via C-N, C-S, and C-F bonds was verified by X-ray photoelectron spectrum (XPS) study. Moreover, Energy Dispersive X-ray (EDX) mapping showed a homogeneous distribution of S (13.96%), N(5.66%), and F (0.62%). The electrochemical investigation revealed that NSF-rGO outperformed pristine rGO, with a specific capacitance of 601.33 F/g at 1 A/g, exceeding undoped rGO ( 578.67 F/g ). These results suggest that three-atom doping might be beneficial approach to improve rGO properties, therefore generating a suitable electrode material for use in energy storage.


Keywords: electrochemical, doping, hydrothermal, reduced graphene oxide


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