Two-electron oxygen reduction on fullerene C60-carbon nanotubes covalent hybrid as a metal-free electrocatalyst

Aliyeh Hasanzadeh, Alireza Khataee*, Mahmoud Zarei, Yifeng Zhang

*Corresponding author for this work

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Nanocarbon materials are considered to be active for electrochemical oxygen reduction reaction (ORR) for hydrogen peroxide (H2O2) synthesis. In the present work, a new type of fullerene 60 (C60)-carbon nanotubes (CNTs) hybrid with covalently attached C60 onto outer surface of CNTs was synthesized. The structure of C60-CNT hybrid was confirmed by physical and chemical characterizations and its conformation is proposed featuring the covalent incorporation of CNTs and C60 derivative. C60-CNT hybrid showed high efficiencies on electro-generating H2O2, owing to huge surface area and intermolecular electron-transfer in the hybrid structure. A high H2O2 production rate of 4834.57 mg L-1 h-1 (426.58 mmol L-1) was achieved at - 0.2 V vs saturated calomel electrode (SCE).
Original languageEnglish
Article number13780
JournalScientific Reports
Issue number1
Number of pages13
Publication statusPublished - 2019


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