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Local chemical configuration and electronic state of CoSx/NS-G hybrid catalysts. (A) Co L-edge XANES spectra of the CoS/NS-G and CoS2/NS-G hybrids. S L-edge (B), C K-edge (C), and N K-edge (D) XANES spectra of CoS/NS-G, CoS2/NS-G, and NS-G materials.
