Hierarchical plasmonic-metal/semiconductor micro/nanostructures: green synthesis and application in catalytic reduction of <Emphasis Type="Italic">p</Emphasis>-nitrophenol |
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Authors: | Shuyan Gao Xiaoxia Jia Zhengdao Li Yanli Chen |
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Institution: | (1) College of Chemistry and Environmental Science, Henan Normal University, 46 Jianshe Street, Xinxiang, 453007, Henan, People’s Republic of China |
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Abstract: | Hierarchical micro/nano arrays can offer both the advantages of nano-sized building blocks and micro- or submicrometer-sized
ordered arrays, therefore representing one kind of potential functional materials and having received enormous attention for
a wealth of applications. In this study, four-dimensionally flower-like CuO micro/nanostructures decorated by Au nanoparticles
are synthesized via an environmentally friendly route assisted by polyethylene glycol. Experiments reveal that the product
demonstrates high catalytic performance for the reduction of 4-nitrophenol using NaBH4 as the reducing agent, which could be attributed to the rich Au/CuO interfaces in the samples. Compared to the pure noble
metal catalysts, the obtained sample is quite economic. In terms of methodology and cost-effectiveness, this study proposes
an economically useful and green method to produce a highly efficient metal-based catalyst. It is also a good example for
the organic combination of green chemistry and functional materials. |
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