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Fullerene as a probe molecule for single-atom oxygen reduction electrocatalysts
1State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China. guok@hust.edu.cn.
Abstract:
Fullerenes interact positively with many metal-based catalysts via intense electron transfer. Yet, we here revealed that C60 serves as a probe due to its deactivation of the active sites of single-atom O2 reduction electrocatalysts. C60 adsorption to metal atoms creates steric hindrance that restricts the access of O2 to the active sites.
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