Figure 2: Morphological and chemical analysis of plasma-activated Cu foils. | Nature Communications

Figure 2: Morphological and chemical analysis of plasma-activated Cu foils.

From: Highly selective plasma-activated copper catalysts for carbon dioxide reduction to ethylene

Figure 2

EDS elemental maps of Cu foils treated with O2 plasma for (ad) 20 W 2 min; (ef) 100 W 2 min; and (gh) 100 W 2 min+H2 plasma. The images labelled ‘after reaction’ were used as catalyst for CO2RR for 1 h at −0.91 V versus RHE. (b,d) HRTEM and SAED analysis of the O2 plasma 20 W 2 min treated sample before and after the reaction, respectively. Scale bars, (ac) 300 nm; (d) 20 nm; (eh) 200 nm.

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