How does Nickel Chloride improve the stability of the PtCN photocatalyst?

Label:chem

Topic
The addition of a small amount of Nickel Chloride (NiCl2) (0.5 wt%) into the reaction suspension resolves the instability of the PtCN photocatalyst, which is characterized by a decrease in benzonitrile selectivity and the leaching/aggregation of Pt nanoparticles, by preserving the Pt nanoparticles and inhibiting their agglomeration.
Answer
The stability of PtCN photocatalysts is improved by adding a small amount of NiCl2, which prevents the agglomeration of Pt nanoparticles and helps maintain benzonitrile selectivity.
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