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Table 3 First-order rate constants of pure Co3O4 nanoparticles and Co3O4/ZnO heterostructures

From: Effect of Zinc Acetate Concentration on Optimization of Photocatalytic Activity of p-Co3O4/n-ZnO Heterostructures

Sample methyl orange Co3O4 Co3O4/ZnO-5 Co3O4/ZnO-15 Co3O4/ZnO-25 Co3O4/ZnO-35 Co3O4/ZnO-45 Co3O4/ZnO-55
K (h−1) 0.00157 0.00245 0.01004 0.01697 0.01999 0.03054 0.02248 0.01432