1：Experimental Design and Method Selection:

The sol-gel auto-combustion method was used for synthesis, involving the combination of sol-gel and combustion processes with nontoxic reactants and pomegranate juice as a green reductant.

2：Sample Selection and Data Sources:

Samples were prepared with varying molar ratios of Cd:Ti (1:1, 1:2, 2:1), different reductants (cherry, onion, pomegranate), and calcination temperatures (750°C, 850°C, 900°C).

3：List of Experimental Equipment and Materials:

Equipment included XRD (Philips X'PertPro), FE-SEM (MIRA3 FEG-SEM), TEM (Philips CM30), EDS (XL30, Philips), FT-IR (Shimadzu Varian 4300), VSM (Meghnatis Kavir Kashan Co.), UV-Vis (Shimadzu UV-1800), and potentiostat (Sama 500). Materials included Cd(NO3)2·4H2O, Fe(NO3)3·9H2O, pomegranate juice, tetra-n-butyl orthotitanate (TNBT), diethanolamine (DEA), and organic dyes (methyl orange, methylene blue, methylene violet).

4：0). Materials included Cd(NO3)2·4H2O, Fe(NO3)3·9H2O, pomegranate juice, tetra-n-butyl orthotitanate (TNBT), diethanolamine (DEA), and organic dyes (methyl orange, methylene blue, methylene violet). Experimental Procedures and Operational Workflow:

4. Experimental Procedures and Operational Workflow: For nanostructures, Cd(NO3)2·4H2O was dissolved in water, pomegranate juice added, Fe(NO3)3·9H2O added, heated to form gel, dried, and calcined. For nanocomposites, a titanate sol was prepared and mixed with CdFe12O19 sol, heated, dried, and calcined. Photocatalytic tests involved irradiating dye solutions with UV light and measuring decolorization.

5：Data Analysis Methods:

XRD for crystal structure, SEM/TEM for morphology, EDS for composition, VSM for magnetic properties, UV-Vis for optical properties, CV for electrochemical properties, and decolorization rate calculation for photocatalytic activity.