Journal
NEW JOURNAL OF CHEMISTRY
Volume 44, Issue 23, Pages 9793-9801Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0nj01378a
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Funding
- Natural Science Foundation of Guangdong Province [2017A030310589]
- Project of Department of Education of Guangdong Province [2017KQNCX214]
- Foshan Functional Polymer Engineering Center [2016GA10162]
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A novel, efficient and durable ZrP@PDA/Ag nanocatalyst was preparedviathe facile reduction and deposition of silver nanoparticles (AgNPs) on two dimensional (2D) alpha-zirconium phosphate (ZrP) nanosheets using bio-inspired dopamine chemistry. The formation, adhesion and dispersion of AgNPs were confirmed by the full morphological and structural characterizations including SEM, TEM, FTIR, TGA, WXRD, and XPS. This ZrP@PDA/Ag nanocatalyst was evaluated by the reduction of 4-nitrophenol into 4-aminophenol, utilizing UV-vis absorption spectroscopy to monitor the reaction solution with a trace silver content of 0.125 mu g mL(-1). ZrP@PDA/Ag exhibits a superior catalytic activity compared with other noble metal nanocatalysts due to its high turnover frequency of 32.36 min(-1)at room temperature without stirring, which is as high as almost 10 times that of the reported nanocatalysts using 2D graphene and silica supports. Furthermore, due to the excellent catalytic recyclability of ZrP@PDA/Ag it has very promising prospects in the treatment of organic pollutants in water.
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