Figure 4.
(A) Scheme of NaBH4 reduction of 4-NP to 4-AP, (B) catalytic performances of reduction of 4-NP in the presence of (B) NaBH4/CQDs precursors, (C) NaBH4/CQDs, (C) NaBH4, and (D) NaBH4/CQDs-AuNPs.
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