In addition, Au-Cu/CeO2 shows peaks characteristic of Cu2+ → Cu+ (γ centred at 437 K) and Cu+ → Cu0 (δ at 443 K) indicative of stepwise Cu reduction [44,45], where hydrogen consumption is consistent with a Cu+:Cu0 molar ratio = 3:1. The presence of cationic copper ...
Sample PVC/pDA/Cu PVC/pDA/Cu PVC/pDA/Cu PU/pDA/Cu PU/pDA/Cu PU/pDA/Cu Cu, nmol cm−2 3.86 ± 0.30 1.35 ± 0.28 0.96 ± 0.30 6.04 ± 0.17 1.97 ± 0.42 1.4 ± 0.70 DA: Cu2+ Molar Ratio 3.5:1 1.8:1 0.9:1 3.5:1 1.8:1 0.9:1 XPS analysis was performed to detect copper...