Janićijević Aleksandra, Pavlović Vera P, Kovačević Danijela, Perić Marko, Vlahović Branislav, Pavlović Vladimir B, Filipović Suzana
Academy of Applied Technical Studies Belgrade, Katarine Ambrozic 3, 11000 Belgrade, Serbia.
University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, 11000 Belgrade, Serbia.
Polymers (Basel). 2022 Apr 29;14(9):1819. doi: 10.3390/polym14091819.
The rise of innovation in the electrical industry is driven by the controlled design of new materials. The hybrid materials based on magnetite/nanocellulose are highly interesting due to their various applications in medicine, ecology, catalysis and electronics. In this study, the structure and morphology of nanocellulose/magnetite hybrid nanomaterials were investigated. The effect of nanocellulose loading on the crystal structure of synthesized composites was investigated by XRD and FTIR methods. The presented study reveals that the interaction between the cellulose and magnetic nanoparticles depends on the nanocellulose content. Further, a transition from cellulose II to cellulose I allomorph is observed. SEM and EDS are employed to determine the variation in morphology with changes in component concentrations. By the calculation of magnetic interactions between adjacent Fe and Fe ions within composites, it is determined that ferromagnetic coupling predominates.
电气行业创新的兴起是由新型材料的可控设计推动的。基于磁铁矿/纳米纤维素的混合材料因其在医学、生态学、催化和电子学中的各种应用而备受关注。在本研究中,对纳米纤维素/磁铁矿混合纳米材料的结构和形态进行了研究。通过XRD和FTIR方法研究了纳米纤维素负载量对合成复合材料晶体结构的影响。本研究表明,纤维素与磁性纳米颗粒之间的相互作用取决于纳米纤维素的含量。此外,观察到从纤维素II到纤维素I同质多晶型的转变。采用SEM和EDS来确定形态随组分浓度变化的情况。通过计算复合材料中相邻Fe和Fe离子之间的磁相互作用,确定铁磁耦合占主导地位。