Decoding distance-dependent dual-atom catalysts from structure to function

doi:10.1039/D5CC03608A

Decoding distance-dependent dual-atom catalysts from structure to function

2025-10-07

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DOI：10.1039/D5CC03608A

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Dual-atom catalysts (DACs) have emerged as a prominent advancement in heterogeneous catalysis; bridging the material gap between single-atom catalysts and nanoparticles. Leveraging synergistic interactions between paired metal atoms; DACs demonstrate superior catalytic activity; selectivity; and stability. Among critical design parameters; the interatomic distance between dual atoms critically influences their electronic structure; coordination environment; and catalytic behavior. However; achieving precise spatial control at the sub-nanometer scale remains a formidable challenge. This review systematically summarizes recent advances in diatomic distance modulation strategies; including steric confinement; interlayer engineering; lattice distortion; and defect anchoring; and elucidates how these approaches optimize the catalytic properties of DACs. Furthermore; we explore the multidimensional effects of atomic spacing on reaction stability; intermediate adsorption; pathway selectivity; and support interactions. By integrating experimental breakthroughs with theoretical modeling; this review establishes a comprehensive framework for the rational design of DACs and presents a roadmap for future innovations in precision catalysis.

Decoding distance-dependent dual-atom catalysts from structure to function

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