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Updated: Dec 18, 2025
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Published on: October 20, 2023
Carbon-based dots for the electrochemical production of hydrogen peroxide
Yongqiang Dong1, Juanxia Su, Shuqing Zhou
1MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, China. dongyq@fzu.edu.cn chunhualu@fzu.edu.cn.
Abstract:
In this study, natural graphite was liquid exfoliated in the presence of single-layer carbon-based dots (CDs), which were used as intercalators. It was found that graphene of mainly single-layer has been obtained, on which lots of CDs were deposited. Combining the unique properties of these two materials, the CDs deposited on graphene (G/CDs) are proved to be outstanding catalysts for the electroreduction of oxygen to H2O2. The results from control experiments and density functional theory calculations demonstrated that the oxygen-containing functional groups on the CDs played a key role in the catalytic activity of the G/CDs.
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