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.

中文翻译：

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用于过氧化氢的电化学生产的碳基点。

在这项研究中，天然石墨在存在单层碳基点（CDs）的情况下被液体剥落，这些点用作嵌入剂。发现已经获得主要为单层的石墨烯，其上沉积了许多CD。结合这两种材料的独特性能，沉积在石墨烯上的CD（G / CD）被证明是将氧气电还原为H ₂ O _2的杰出催化剂。对照实验和密度泛函理论计算的结果表明，CD上的含氧官能团在G / CD的催化活性中起关键作用。