Fig. 2: Morphology and structure characterization of Cu@In(OH)3 electrocatalyst. | Nature Communications

Fig. 2: Morphology and structure characterization of Cu@In(OH)3 electrocatalyst.

From: Stabilizing Cu0-Cuδ+ sites via ohmic contact interface engineering for ampere-level nitrate electroreduction to ammonia

Fig. 2

a TEM image of Cu@In(OH)3. b HAADF-STEM image and corresponding elemental mapping images of Cu@In(OH)3. c HRTEM image of Cu@In(OH)3. d UPS spectra of Cu and In(OH)3 for work function and valance band edge calculation. e Cu 2p XPS spectra of Cu and Cu@In(OH)3. f Cu LMM XAES spectra of Cu and Cu@In(OH)3. g XAFS spectra of Cu foil, Cu2O, CuO, and Cu@In(OH)3. h FT-EXAFS spectra at Cu K-edge of Cu foil, Cu2O, CuO, and Cu@In(OH)3. i WT-EXAFS of Cu for Cu@In(OH)3. The color bars represent intensity with arb. units. Source data are provided as a Source Data file.

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