Aqueous controllable synthesis of spindle-like palladium nanoparticles and their application for catalytic reduction of 4-nitrophenol |
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| Authors: | Jie Li Bo Xu Guangning Liu Guozhu Chen Tao Zhang Fengshou Zhang and Cuncheng Li |
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| Institution: | School of Chemistry and Chemical Engineering, University of Jinan, Nanxinzhuang West Road 336, Jinan 250022 China;School of Chemistry and Chemical Engineering, University of Jinan, Nanxinzhuang West Road 336, Jinan 250023 China;School of Chemistry and Chemical Engineering, University of Jinan, Nanxinzhuang West Road 336, Jinan 250024 China;School of Chemistry and Chemical Engineering, University of Jinan, Nanxinzhuang West Road 336, Jinan 250025 China;School of Chemistry and Chemical Engineering, University of Jinan, Nanxinzhuang West Road 336, Jinan 250026 China;School of Chemistry and Chemical Engineering, University of Jinan, Nanxinzhuang West Road 336, Jinan 250027 China;School of Chemistry and Chemical Engineering, University of Jinan, Nanxinzhuang West Road 336, Jinan 250028 China |
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| Abstract: | In this study, an effective wet-chemical route was developed in an aqueous solution for the synthesis of spindle-like palladium nanoparticles (Pd NPs). Spindle-like Pd NPs in high-yield were successfully synthesized by using cetyltrimethylammonium chloride (CTAC) as surfactant and ascorbic acid (AA) as reduction reagent. The influence factors including the concentration of CTAC, AA, and NaI, as well as the reaction temperature for synthesis of spindle-like Pd NPs were systematically investigated. The formation mechanism of spindle-like Pd NPs was proposed on the basis of these experimental results. Spindle-like Pd NPs with high density of twins and sharp edges exhibit enhanced catalytic activities for the reduction of 4-nitrophenol. |
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| Keywords: | Palladium Catalyst Spindle-like nanoparticles |
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