fig18

From: Layered double hydroxide-based single-atom catalysts: precise catalyst design on a two-dimensional ‘atomic canvas’

Figure 18. (A) Schematic illustration of the conﬁnement strategy to synthesize Pt₁/NiAl-LDH and Pt₁/NiAl-IMC catalysts. Reprinted with permission from Ref.^[60]. Copyright 2025, Wiley-VCH; (B) Schematic illustration of the fabrication of the catalysts and the main products of CO photo-hydrogenation. Reprinted with permission from Ref.^[65]. Copyright 2023, Springer Nature. LDH: Layered double hydroxide; IMC: intermetallic compound; NP: nanoparticle; NA: nanoalloy; SAA: single-atom alloy.