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. 2023 Jul 10;120(29):e2305705120. doi: 10.1073/pnas.2305705120

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Copyright © 2023 the Author(s). Published by PNAS.

This article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).

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Fig. 1. — (A) TEM image. (B) AFM image. (C) HAADF-STEM image (Co SAs are highlighted by red circles). (D) EDS elemental mappings. (E) XANES spectra at the Co K-edge. (F) The Co K-edge FT-EXAFS spectra. (G) EXAFS fitting curve of Co_SA/Ti₃C₂T_x, Inset is an illustration of Co_SA/Ti₃C₂T_x structure. The green, blue, gray, and pink balls represent Co, Ti, C, and O, respectively.