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In supported metal catalysts, the supports would strongly interact with the metal components instead of just acting as a carrier, which greatly affects both of their synthesis and catalytic activity, selectivity, and stability. Carbon is considered as very important but inert support and thus hard to induce strong metal-support interaction (SMSI). This mini-review highlights that sulfur-a documented poison reagent for metal catalysts-when doped in a carbon supports can induce diverse SMSI phenomenon, including electronic metal-support interaction (EMSI), classic SMSI, and reactive metal-support interaction (RMSI). These SMSI between metal and sulfur-doped carbon (S-C) supports enables the catalysts with extraordinary resistance to sintering at high temperatures of up to 1100 °C, which allows the general synthesis of single-atom, alloy cluster, and intermetallic compound catalysts with high dispersion and metal loading for a variety of applications.
Yin et al. (Mon,) studied this question.