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Iron oxides/graphene hybrid structures – Preparation, modification, and application as fillers of polymer composites
Advances in Colloid and Interface Science ( IF 15.6 ) Pub Date : 2020-10-11 , DOI: 10.1016/j.cis.2020.102285
Anastasiia Kobyliukh , Karolina Olszowska , Urszula Szeluga , Sławomira Pusz

The current status of knowledge regarding magnetic hybrid structures based on graphene or carbon nanotubes with various forms of iron oxides is reviewed. The paper starts with a summary of the preparation and properties of iron oxide nanoparticles, both untreated and coated with silica or polymer layers. In the next section, organic-inorganic hybrid materials obtained as a result of a combination of graphene or carbon nanotubes and iron chemical compounds are characterized and discussed. These hybrids constitute an increasing percentage of all consumable high performance biomedical, electronic, and energy materials due to their valuable properties and low production costs. The potential of their application as components of materials used in corrosion protection, catalysis, spintronics, biomedicine, photoelectrochemical water splitting and groundwater remediation, as well as magnetic nanoparticles in polymer matrices, are also presented. The last part of this review article is focused on reporting the most recent developments in design and the understanding of the properties of polymer composites reinforced with nanometer-sized iron oxide/graphene and iron oxide/carbon nanotubes hybrid fillers. The discussion presents comparative analysis of the magnetic, electromagnetic shielding, electrical, thermal, and mechanical properties of polymer composites with various iron oxide/graphene structures. It is shown that the introduction of hybrid filler nanoparticles into polymer matrices enhances both the macro- and microproperties of final composites as a result of synergistic effects of individual components and the simultaneous formation of an oriented filler network in the polymer. The reinforcing effect is related to the structure and geometry of hybrid nanoparticles applied as a filler, the interactions between the filler particles, their concentration in a composite, and the method of composite processing.



中文翻译:

氧化铁/石墨烯杂化结构–制备,改性和用作聚合物复合材料的填料

综述了有关基于石墨烯或碳纳米管和各种形式的氧化铁的磁性杂化结构的知识的现状。本文首先概述了未经处理的氧化硅纳米粒子的制备和性能,这些氧化铁纳米粒子既未经处理,也覆盖有二氧化硅或聚合物层。在下一节中,将对石墨烯或碳纳米管与铁化合物的组合所获得的有机-无机杂化材料进行表征和讨论。这些杂化物由于其有价值的特性和较低的生产成本,在所有可消耗的高性能生物医学,电子和能源材料中所占的百分比不断增加。它们作为防腐,催化,自旋电子学,生物医学,还介绍了光电化学水分解和地下水修复,以及聚合物基质中的磁性纳米颗粒。这篇评论文章的最后一部分重点在于报告设计的最新进展以及对纳米尺寸的氧化铁/石墨烯和氧化铁/碳纳米管杂化填料增强的聚合物复合材料性能的了解。讨论提出了具有各种氧化铁/石墨烯结构的聚合物复合材料的磁,电磁屏蔽,电,热和机械性能的比较分析。结果表明,由于单个组分的协同作用以及在聚合物中同时形成定向填料网络,将杂化填料纳米颗粒引入聚合物基体可以增强最终复合材料的宏观和微观性能。增强效果与用作填料的杂化纳米颗粒的结构和几何形状,填料颗粒之间的相互作用,它们在复合材料中的浓度以及复合材料的加工方法有关。

更新日期:2020-10-16
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