1：Experimental Design and Method Selection

Anisotropic AgNPs were synthesized in the presence of copper salt as the etchant, with varying ratios of precursor Cu salt to alter the fraction of anisotropic particles. The catalytic activities of these AgNPs samples were tested for p-nitrophenol reduction by glycerol and Fenton oxidation of methyl orange under both dark and visible light conditions.

2：Sample Selection and Data Sources

AgNPs samples labeled as S0, S1, S2, S3, and S4 were prepared with initial silver to copper salt solution precursors in ethylene glycol in the ratio of 100:0, 99:1, 90:10, 66.5:33.5, and 50:50 (in terms of millimoles) respectively.

3：List of Experimental Equipment and Materials

Rigaku Mini-flex 600 Japan for XRD, FEI Technai-20 G2 for TEM, Agilent Cary 60 spectrophotometer for UV-Vis absorption spectra, cool white LED light source for photocatalytic experiments.

4：Experimental Procedures and Operational Workflow

For catalytic MO degradation, the reaction mixture was maintained at 306 K, and the absorption spectrum was recorded after every 10 minutes. For Nip reduction, the reaction was carried out under basic conditions (~8.5 pH) and the absorption spectrum was recorded at every five-minute interval under visible light.

5：Data Analysis Methods

The kinetics of MO degradation and Nip reduction were analyzed using second-order kinetics. The turnover frequency (TOF) was calculated to quantify the catalytic activity.