Table 1.
Comparison between different catalysts with our present study.
| Catalysts | 4-NP Concentration (mM) | NaBH4 Concentration (mM) | Reducing/Supporting Material | Reaction Time (min) | Rate Constant (kapp) min−1 | Reference |
|---|---|---|---|---|---|---|
| Pt-RGO | 0.12 | 12 | GK | 2 | 0.71 | This work |
| Pd-RGO/GA | 5 | 0.5 | Gum Arabic | 5 | 0.12 | [63] |
| Au53Pd47/Graphene nanosheets | 0.05 | 5 | - | 3.5 | 0.86 | [64] |
| GPt-RGONPs | 0.024 | 0.024 | Guar gum | 240 | 0.42 | [21] |
| AgNPs@MWCNTs | 0.1 | 5 | Chitosan | 5 | 0.47 | [65] |
| XG/Ag | 1 × 10−4 | 0.1 | Xanthan gum | 1440 | 0.90 | [20] |
| LrGO-Ag20Au80 | 9.6 × 10−5 | 0.1 | Cetraria Islandica | 1.7 | 0.45 | [66] |