articleAccounts of Materials ResearchMay 17, 2022Closed access

Breaking the Scaling Relationship Limit: From Single-Atom to Dual-Atom Catalysts

LLLongbin LiKYKai YuanYCYiwang Chen

Nanchang University · Jiangxi Normal University

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Abstract

ConspectusRecent decades have witnessed the rapid development of catalytic science, especially after Taylor and Armstrong proposed the notion of the “active site” in 1925. By optimizing reaction paths and reducing the activation energies of reactions, catalysts appear in more than 90% of chemical production reactions, involving homogeneous catalysis, heterogeneous catalysis, and enzyme catalysis. Because of the 100% efficiency of active atom utilization and the adjustable microenvironment of metal centers, single-atom catalysts (SACs) shine in various catalytic fields for enhancing the rate, conversion, and selectivity of chemical reactions. Nevertheless, a solo active site determines a fixed adsorption mode,…

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Topics & keywords

Topics
Keywords
  • Catalysis
  • Atom (system on chip)
  • Active site
  • Adsorption
  • Chemistry
  • Scaling
  • Metal
  • Limit (mathematics)
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