Research Article

Copper-Doped Zinc Oxide Nanoparticles: Synthesis, Characterization, and Application for Adsorptive Removal of Toxic Azo Dye

Table 6

Thermodynamic parameters of adsorption of CR dye by Cu/ZnONPs at different temperatures.

T (K)ΔG (J/mol)ΔH (kJ/mol)ΔS (J·mol/K)

308−629.14341.653137.84
313−1660.73
318−2227.1
323−3065.02
328−3354.92