Water-dispersed CdS QDs were synthesized via a hydrothermal method according to our previous works [35,36]. Briefly, the Cd(CH3COO)2·2H2O/Na2S molar ratio in the first reduction step was
Water-dispersed CdS QDs were synthesized via a hydrothermalmethod according to our previous works [35,36]. Briefly, theCd(CH3COO)2·2H2O/Na2S molar ratio in the first reduction step was