1：Experimental Design and Method Selection:

The study uses a facial method for homogeneous decoration of ZIF-8 onto CuInS2 nanoparticles coordinated by PVP in methanol, based on in situ growth to form nanocomposites.

2：Sample Selection and Data Sources:

CuInS2 nanospheres are synthesized via solvothermal method, and ZIF-8 is grown on their surfaces; organic dyes like rhodamine B are used for photocatalytic tests.

3：List of Experimental Equipment and Materials:

Chemicals include indium nitrate hydrate, thiourea, ethylene glycol, hydrochloric acid, cuprous iodide, PVP-K30, zinc nitrate hexahydrate, 2-methylimidazole, methanol; equipment includes autoclave, centrifuge, oven, XRD diffractometer (Bruker D8 Focus), FESEM (Hitachi S-4800), TEM (FEI Tecnai F20), FTIR spectrometer (Vector 22), XPS (ESCALAB 250Xi), UV-vis spectrophotometer (Hitachi U-3900H), nitrogen adsorption analyzer (Autosorb iQ from Quantachrome Corporation), xenon lamp.

4：Experimental Procedures and Operational Workflow:

Synthesis of CIS nanospheres involves mixing chemicals, heating, autoclaving at 190°C for 12h; synthesis of CIS@ZIF-8 involves sonication of CIS with Zn(NO3)2·6H2O, addition of 2-methylimidazole, and reaction for 24h; photocatalytic measurements involve dispersing catalyst in RhB solution, stirring in dark, irradiating with UV light, and monitoring degradation.

5：Data Analysis Methods:

XRD for crystal structure, SEM/TEM for morphology, FTIR for functional groups, XPS for elemental analysis, UV-vis for optical properties, BET for surface area, and degradation efficiency calculated from absorbance measurements.