Graphene Info iconGraphene InfoSep 16, 2026

Doping strategy, not surface area, proves key to better graphene capacitor electrodes

The team synthesized a series of doped reduced graphene oxide (rGO) materials using a modified Hummers' method followed by hydrothermal doping, introducing boron, fluorine, nitrogen and sulfur in both dual-element and quaternary (four-element) combinations. Each variant was characterized structurally (XRD, Raman spectroscopy, BET surface area analysis, XPS, SEM) and tested electrochemically in half-cell configurations using galvanostatic charge-discharge, cyclic voltammetry and impedance spectroscopy.

Doping strategy, not surface area, proves key to better graphene capacitor electrodes
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The team synthesized a series of doped reduced graphene oxide (rGO) materials using a modified Hummers' method followed by hydrothermal doping, introducing boron, fluorine, nitrogen and sulfur in both...

Each variant was characterized structurally (XRD, Raman spectroscopy, BET surface area analysis, XPS, SEM) and tested electrochemically in half-cell configurations using galvanostatic charge-discharge,...

Researchers at Parahyangan Catholic University, Universitas Pertamina, the Korea Institute of Science and Technology (KIST), and Politeknik Negeri Bandung have found that how graphene oxide is doped matters...

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The team synthesized a series of doped reduced graphene oxide (rGO) materials using a modified Hummers' method followed by hydrothermal doping, introducing boron, fluorine, nitrogen and sulfur in both dual-element and quaternary (four-element) combinations. Each variant was characterized structurally (XRD, Raman spectroscopy, BET surface area analysis, XPS, SEM) and tested electrochemically in half-cell configurations using galvanostatic charge-discharge, cyclic voltammetry and impedance spectroscopy.

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  • The team synthesized a series of doped reduced graphene oxide (rGO) materials using a modified Hummers' method followed by hydrothermal doping, introducing boron, fluorine, nitrogen and sulfur in both...

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Each variant was characterized structurally (XRD, Raman spectroscopy, BET surface area analysis, XPS, SEM) and tested electrochemically in half-cell configurations using galvanostatic charge-discharge, cyclic voltammetry and impedance spectroscopy.

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