Facile synthesis of highly catalytic activity Ni–Co–Pd–P composite for reduction of the p-Nitrophenol

Facile synthesis of highly catalytic activity Ni–Co–Pd–P composite for reduction of the p-Nitrophenol
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轻松合成高催化活性Ni-Co-Pd-P复合材料用于还原对硝基苯酚

DOI:
10.1016/j.apcata.2013.10.043
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发表时间:
2014-01
期刊:
Applied Catalysis A: General
影响因子:
--
通讯作者:
Ning-Ning Wang
Ning-Ning Wang
中科院分区:
其他
文献类型:
--
作者:
Hong-Long Xing;Xiao-Mei Zhang;Shu-Yang Wei;Ning-Ning Wang

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提出了一种简单的水热法一步合成类海胆Ni@Ni3P@CoP2@P复合材料。以合成的复合材料为催化剂,对硝基苯酚可以完全还原上氨基苯酚,并通过紫外-可见光谱对反应进行了监测。进一步的研究表明,Co的存在大大提高了复合材料对硝基酚的催化还原能力。随后将钯纳米粒子(NPs)加载到Ni-Co-P复合材料中,以获得更好的催化效果。制备的Ni-Co-Pd-P复合材料除了具有优异的还原对硝基苯酚的催化能力外,还具有较强的磁性,可以很容易地从反应体系中收集催化剂。在每15 min使用7次合成的Ni-Co-Pd-P化合物后,通过紫外可见光谱监测催化剂对氨基酚的形成,以评估其可回收性。合成的Ni-Co-Pd-P复合材料对对硝基苯酚的还原具有良好的催化性能和良好的可回收性。
A simple hydrothermal method was developed for the one-step synthesis of an urchin-like Ni@Ni3P@CoP2@P composite.p-Nitrophenol can be completely reduced top-Aminophenol using the as-synthesized composites as catalysts, and the reaction was monitored by UV–vis spectroscopy. Further research implied that the presence of Co greatly improves the catalytic ability of the composites for the reduction ofp-Nitrophenol . Palladium (Pd) nanoparticles (NPs) were subsequently loaded into the Ni–Co–P composites to obtain better catalytic effects. Aside from excellent catalytic ability for reducingp-Nitrophenol, the strong magnetism of the as-prepared Ni–Co–Pd–P composites allowed the facile collection of the catalysts from the reaction system. After using the as-synthesized Ni–Co–Pd–P compounds seven times every 15 min, recyclability was estimated by monitoring the formation ofp-Aminophenol using the catalysts via UV–vis spectroscopy. The as-synthesized Ni–Co–Pd–P composites presented good catalytic ability and excellent recyclability for the reduction ofp-Nitrophenol .
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