Microbe-Assisted Synthesis and Luminescence Properties of Monodispersed Tb³⁺-Doped ZnS Nanocrystals

Figure 2

(a) SEM image of ZnS:Tb³⁺ nanocrystals prepared by the direct precipitation method (Tb³⁺ doping concentration, 5%), (b), (c), (d), (e), and (f) SEM images of ZnS:Tb³⁺ nanocrystals prepared by the spray precipitation method (Tb³⁺ doping concentration, 5%, 1%, 3%, 7%, and 9%, resp.), and (g) TEM image of ZnS:Tb³⁺ nanocrystals prepared by the spray precipitation method (Tb³⁺ doping concentration, 5%).

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