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图7 不同浓度的N,S-CDs对Cu在1.0 mol/L HCl溶液中反应不同时间的SEM、EDS图谱和N,S-CDs DFT计算结果[101]
Fig.7 SEM and EDS analysis of the copper electrode immersed in 1.0 mol/L HCl solution absent and present of different N,S-CDs with different time (a-e), and the optimized geometry (f), LUMO (g), HOMO (h), ESP map (i) of N,S-CDs[101]