fig2

Figure 2. (A) Bibliometric map generated by VOSviewer based on the Web of Science All Databases^[55,56]; (B) Publication and citation trends of single-atom catalysis-related articles over different years; (C) Publication distribution of single-atom catalysis-related articles across various academic disciplines. The keyword analyzed was “single-atom catalysis”. The size of each circle correlates with the occurrences in 8,444 Web of Science-indexed articles published from 1979 to 2025. The smallest circles represent 50 occurrences.