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. 2023 Jul 3;26(7):107275. doi: 10.1016/j.isci.2023.107275

Figure 8.

Figure 8

Porphyrin-based SACs with intrinsic SAs

(A) Schematic illustration of the preparation of Pt1N4-C catalyst.

(B) The k3-weighted R-space FT spectra of EXAFS for Pt1N4-C, Pt-TPP, PtO2, and Pt foil.

(C) STEM image of Pt nanoparticles on the polymer matrix with Pt-TPP:TPP = 1:0.

(A–C) Reproduced with permission.114 Copyright 2019, Nature Publishing Group.

(D) Top views of the optimized MTP molecules and 2D MTP sheets in a 2 × 2 computational supercell.

(E) Adsorption energies of side-on and end-on adsorbed N2 (Ead-N2) on thirty 2D MTP sheets, where the green area denotes that Ead-N2 < −0.40 eV.

(D and E) Reproduced with permission.117 Copyright 2020, Elsevier Inc.

(F) Investigated pathways for CO2RR on 2D MTP sheets. (F) Reproduced with permission.107 Copyright 2019, The Royal Society of Chemistry.

(G) Theoretical limiting potential (Ulim) as a function of ΔGOOH∗ with an activity volcano plot on 2D MTP sheet, where the black line denotes Pt (111). (G) Reproduced with permission.118 Copyright 2017, Elsevier Inc.