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(a) Synthesis strategy of Co SACs over N-containing carbon, (b) HAADF-STEM image of Co SACs pyrolyzed at 1073 K, (c, d) FT k3-weighted EXAFS spectra of Co SACs pyrolyzed at 1073 and 1173 K, respectively. Adapted with permission from ref (298). Copyright 2016 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim.
