Abstract
Highly efficient and durable visible-light-utilized nanocomposites have a vital role in environmental pollutants remediation. Hence, in this study, we have fabricated CdS QDs cosensitized CQDs/H-TiO2 (hollow titania) ternary heterostructures (CdS QDs/CQDs/H-TiO2) in a facile region-selective deposition route. The as-fabricated nanocomposites were evidently characterized by physicochemical techniques. CdS QDs were uniformly distributed on the smooth surface of hierarchical CQDs/H-TiO2 heterojunction. The as-prepared CdS QDs/CQDs/H-TiO2 nanocomposite has high-performances for efficient degradation efficacy of phenol, MB, and RhB, which exhibited enhanced degradation activities with rate constants (k) of 0.03, 0.051, and 0.045 min–1, respectively. All these superior photocatalytic activities obviously attributed to the effect of calcination temperature, enhanced photocurrent, minimized recombination of photoinduced charges in the photocatalysis and optimum content of CdS QDs have the distinct basis for the c...
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