Synthesis of Platinum Nanocrystals within Iodine Ions Mediated

Figure 4

Reaction solutions of K₂PtCl₄, CTAB, and KI used in the synthesis of Pt NCs. (a) K₂PtCl₄ and CTAB mixture, (b) ice-cold NaBH₄ solution added to (a), (c) KI solution added to (a), (d) KI solution added to (b), and (e) M₃ solution added to (b).

(a)

(b)

(c)

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(e)