Journal
JOURNAL OF WATER PROCESS ENGINEERING
Volume 45, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jwpe.2021.102488
Keywords
Hetero-structure; Photocatalysis; Water treatment; Atomic layer deposition
Funding
- National Research Foundation of Korea (NRF) - Korean government (MSIT) [2020R1A5A1018153]
- National Research Foundation of Korea [2020R1A5A1018153] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, the performance of zinc oxide nanowires decorated with palladium nanoparticles as a photocatalyst for sustainable water treatment was evaluated. The Pd-decorated ZnO nanowires exhibited enhanced photocatalytic performance compared to untreated ZnO NWs.
Hetero-structured catalysts have recently gained considerable attention among researchers in various fields, including photocatalysis. In this study, we evaluated the performance of zinc oxide nanowires (ZnO NWs), surface-decorated with palladium (Pd) nanoparticles, as a photocatalyst for sustainable water treatment. Pd nanoparticles were uniformly deposited on the surface of the ZnO NWs by atomic layer deposition to maximize the number of active sites. As photocatalysts in water generate active oxygen species and decompose organic matter, the decomposition percentage of organic compounds was measured to evaluate the photocatalytic performance of the prepared photocatalyst. The Pd nanoparticle-decorated ZnO nanowires exhibited enhanced photocatalytic performance when compared with the untreated ZnO NWs. The decomposition percentage of 4chlorophenol significantly increased from 42.5% to 62.8% when the ZnO NWs were surface-decorated with Pd nanoparticles.
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