Fig. 4: In situ spectroscopic analysis. | Nature Communications

Fig. 4: In situ spectroscopic analysis.

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

Fig. 4

a In situ Raman spectra of Cu@In(OH)3 for NO3RR test. b Infrared signals in the range of 4000–1000 cm−1 under various potentials for Cu@In(OH)3 during electrocatalytic NO3RR. c in situ DEMS signals of Cu@In(OH)3 for NO3RR test. OCP denotes open-circuit potential. Source data are provided as a Source Data file.

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