Capacitive charge storage of tetraphenylporphyrin sulfonate-CNT composite electrodes

•A sulfonated porphyrin-CNT composite electrode was developed for capacitive storage.•A < 2 nm porphyrin on CNT led to higher capacitance and faster kinetics than pure CNT.•The synergy was related to the reduced HOMO-LUMO gap in porphyrin deposited on CNT.•The porphyrin depositions on CNT was con...

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Veröffentlicht in:	Electrochimica acta 2021-09, Vol.389, p.138593, Article 138593
Hauptverfasser:	N'Diaye, Jeanne, Elshazly, Mohamed, Lian, Keryn
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Capacitance Carbon nanotubes Charge density Charge transfer Composite materials Density functional theory DFT Electrodes Molecular orbitals Redox organic compounds Supercapacitors Tetraphenylporphyrin
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