Review Article


2019, 12(10): 2407–2436


Unlocking the door to highly efficient Ag-based nanoparticles catalysts for NaBH4-assisted nitrophenol reduction

Guangfu Liao1, Yan Gong2, Liu Zhong1, Jiasheng Fang3, Li Zhang4, Zushun Xu5 (*), Haiyang Gao1 (*), and Baizeng Fang6 (*)

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1 School of Materials Science and Engineering, Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangdong Laboratory of High-Performance Polymer Composites, Sun Yat-sen University, Guangzhou 510275, China
2 Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, China
3 School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 52308, China
4 Department of Chemistry, City University of Hong Kong, Hong Kong 999077, China
5 Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for The Green Preparation and Application of Functional Material, Hubei University, Wuhan 430062, China
6 Department of Chemical & Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC, V6T 1Z3, Canada

Keywords: Ag-based nanoparticles catalysts, catalytic reduction, 4-nitrophenol, catalytic activity, stability
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  • Abstract
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Ag-based nanoparticles (NPs) catalysts have recently attracted increasing attention in NaBH4-assisted nitrophenol reduction, especially in 4-nitrophenol (4-NP) reduction. Moreover, Ag-based NPs catalysts are considered to be very promising for practical applications because of their fascinating advantages, e.g., easy preparation, relatively low cost and less toxicity, high activity and good stability. Basically, the size and shape of Ag NPs are well known as the key factors for achieving highly efficient catalytic reduction of 4-NP. In this review, three highly efficient Ag-based NPs catalysts (supported Ag NPs, anisotropic Ag NPs and bimetallic Ag NPs) are highlighted for the 4-NP reduction, including the catalytic mechanism and reaction rate caused by their adjustments in size and shape. Although high catalytic activity has been demonstrated by several Ag-based NPs catalysts, further improvement in the catalytic performance is still desired. In terms of the most recent progress in Ag-based NPs catalysts for 4-NP reduction, this review provides a comprehensive assessment on the material selection, synthesis and catalytic characterizations of these catalysts. Moreover, this review aims to correlate the catalytic performance of Ag-based NPs catalysts with their size and shape, guiding the development of novel cost-effective and high-performance catalysts.
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Unlocking the door to highly efficient Ag-based nanoparticles catalysts for NaBH4-assisted nitrophenol reduction. Nano Res. 2019, 12(10): 2407–2436

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