Fig. 4: The scheme of electron distribution modulating on NCs by ligand tuning and core doping.

a Core effect (Cu13 vs. AuCu12) and b ligand effect (triphenylphorsphine vs. tris(4-fluorophenyl)phosphine).
a Core effect (Cu13 vs. AuCu12) and b ligand effect (triphenylphorsphine vs. tris(4-fluorophenyl)phosphine).