Fabrication of Cu@AgCl nanocables for their enhanced activity toward the catalytic degradation of 4-chlorophenol

Journal of Colloid and Interface Science
Zaidi HuangHanxing Chen

Abstract

Partial and full AgCl nanoparticles (NPs) covered Cu@AgCl nanocables were fabricated based on Cu nanowires (NWs) through structure-director-induced assembly process in this work. The full covered Cu@AgCl nanocables, with the average diameter of ∼50nm, consist of Cu NWs core at diameter of ∼20nm and outer AgCl NPs shells with thickness of ∼15nm. Using as UV-driven photocatalysts, as-designed Cu@AgCl nanocables exhibit high performance and stability for the catalytic degradation of 4-chlorophenol pollutants. Compared with the as-prepared Cu NWs, AgCl NPs, partial AgCl NPs covered Cu@AgCl nanocables and the reference photocatalysts P25-TiO2, full AgCl NPs covered Cu@AgCl nanocables exhibit much higher photocatalytic activity (nearly 91% conversion) toward the degradation of 4-chlorophenol with the reaction rate constant (k) of 0.026min(-1). Cu NWs are found to play important roles in quickly transferring photoelectrons, facilitating more effective separation of photoinduced electrons and holes and reducing the charge recombination due to their the high conductivity.

References

Jan 26, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Jingyi ChenYounan Xia
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Citations

Jan 21, 2021·Journal of Colloid and Interface Science·Zhibin YangFabing Su

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