Single-atom-site catalysts (SASCs) featuring maximized
atom utilization
and isolated active sites have progressed tremendously in recent years
as a highly prosperous branch of catalysis research. Varieties of
SASCs have been developed that show excellent performance in many
catalytic applications. The major goal of SASC research is to establish
feasible synthetic strategies for the preparation of high-performance
catalysts, to achieve an in-depth understanding of the active-site
structures and catalytic mechanisms, and to develop practical catalysts
with industrial value. This Perspective describes the up-to-date development
of SASCs and related catalysts, such as dual-atom-site catalysts (DASCs)
and nano-single-atom-site catalysts (NSASCs), analyzes the current
challenges encountered by these catalysts for industrial applications,
and proposes their possible future development path.
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