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Formation of iron oxide/Pd hybrid nanostructures with enhanced peroxidase-like activity and catalytic reduction of 4-nitrophenol.
Journal of Environmental Science and Health, Part C Pub Date : 2017-05-24 , DOI: 10.1080/10590501.2017.1328839
Jing Li 1 , Junhui Cai 1 , Huimin Jia 1 , Lixia Zhang 1 , Yan Lei 1 , Weiwei He 1 , Jun-Jie Yin 2
Affiliation  

Iron oxide/Pd hybrid nanostructures with controllable Pd loading from 0.05 to 1.0 (calculated as Pd/Fe molar ratio) have been synthesized by chemical reduction of Pd2+ on iron oxide particles. The combination of iron oxide and Pd exhibits enhanced peroxidase-like activity and catalytic activity toward reduction of 4-nitrophenol. The catalytic enhancements were found to be dependent on the Pd loading amount as well as the synergistic effect between iron oxide and Pd. These results suggest that iron oxide with unique surface chemical state can be an active supporter and suggest an effective way to design superior hybrid nanostructures for catalytic applications.

中文翻译:

具有增强的过氧化物酶样活性和4-硝基苯酚催化还原的氧化铁/ Pd杂化纳米结构的形成。

通过在氧化铁颗粒上化学还原Pd2 +,合成了可控制的Pd负载为0.05-1.0(按Pd / Fe摩尔比计算)的氧化铁/ Pd杂化纳米结构。氧化铁和Pd的组合物表现出增强的过氧化物酶样活性和对还原4-硝基苯酚的催化活性。发现催化增强取决于Pd负载量以及氧化铁与Pd之间的协同作用。这些结果表明具有独特表面化学状态的氧化铁可以作为活性载体,并为设计用于催化应用的优良杂化纳米结构提供了一种有效途径。
更新日期:2019-11-01
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