Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 873, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2021.159802
Keywords
Trimetallic catalysts; Organic pollutants; Reduction; Magnetic nanoparticles; Wastewater treatment
Categories
Funding
- National Natural Science Foundation of China [21807083]
- Program for Innovative Teams of Outstanding Young and MiddleAged Researchers in the Higher Education Institutions of Hubei Province [T201702]
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The trimetallic Ni@Cu@Pd nanoparticles with a blackberry-like structure were successfully prepared using a seed mediated growth method, showing high catalytic activity towards organic pollutants in wastewater. These nanoparticles also exhibited efficient catalytic reduction towards various organic dyes and nitrophenols, along with excellent stability and reusability.
Organic dyes and nitrophenols in the textile industry are wastewater pollutants. In order to develop an efficient nanocatalysts to remove organic pollutants in wastewater, the trimetallic Ni@Cu@Pd nanoparticles (Ni@Cu@Pd NPs) with a blackberry-like structure was successfully prepared by a seed mediated growth method for the first time. The blackberry-like structure and the presence of Ni, Cu and Pd have been confirmed through TEM, SEM, EDS and XPS characterizations. Owing to the charge interaction between metal species along with blackberry-like structure, trimetallic Ni@Cu@Pd NPs delivered a record high catalytic activity toward the reduction of rhodamine B (RhB), with an apparent rate constant of 7.20 min-1. Ni@Cu@Pd NPs also exhibited high activity for the catalytic reduction of methylene blue (MB) and 4-nitrophenol (4-NP). Moreover, the Ni@Cu@Pd NPs catalyst showed excellent stability and reusability. (c) 2021 Elsevier B.V. All rights reserved.
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