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. 2021 May 18;12:2932. doi: 10.1038/s41467-021-23065-4

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Cu K-edge XANES spectra and first-order derivatives of the XANES spectra (collected at 200 mA cm⁻² under CO₂RR conditions) for the sample containing a only CuPc b a 1:1 ratio of CNP to CuPc c a 4:1 ratio of CNP to CuPc. d Fourier-transformed Cu K-edge EXAFS spectra (collected at 200 mA cm⁻² under CO₂RR conditions) and fitting lines for samples containing different ratios of CNP to CuPc. e Comparison of the metallic Cu–Cu coordination number determined from EXAFS analysis and methanation selectivity.