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. 2018 May 8;3(6):1301–1306. doi: 10.1021/acsenergylett.8b00472

Figure 1.

Figure 1

SEM images of anodic-etched Ag (AE-Ag) (4.9 μm) before (a) and after (b) CO2 reduction electrolysis. (c) TEM image of AE-Ag after CO2 reduction electrolysis (the inset is the SAED pattern). (d) XRD patterns and (e) XPS spectra of untreated polycrystalline Ag (blue line) and AE-Ag before (dark yellow line) and after (red line) CO2 reduction electrolysis, respectively.