Alignment of polymer based magnetic composites in magnetic field

被引：5
|
作者：
Kukhta, A. V. [1 ,2 ]
Kuzhir, P. P. [1 ,2 ]
Maksimenko, S. A. [1 ,2 ]
Vorobyova, S. A. [3 ]
Kukhta, I. N. [4 ]
Pochtenny, A. E. [5 ]
Taoubi, M. I. [6 ]
Bistarelli, S. [7 ]
Bellucci, S. [7 ]
机构：
[1] Belarusian State Univ, Inst Nucl Problems, Minsk, BELARUS
[2] Tomsk State Univ, Tomsk, Russia
[3] Belarusian State Univ, Res Inst Phys & Chem Problems, Minsk, BELARUS
[4] Natl Acad Sci Belarus, Inst Chem New Mat, Minsk, BELARUS
[5] Belarusian State Univ Technol, Minsk, BELARUS
[6] Lebanese Univ, Fac Sci 5, Elnabatieh, Lebanon
[7] Natl Inst Nucl Phys, Frascati Natl Lab, Frascati, Italy
来源：
PROGRESS IN ORGANIC COATINGS | 2019年 / 137卷
基金：
欧盟地平线“2020”;
关键词：
Nanocomposites; PEDOT:PSS; GNP; Fe3O4; Alignment; ANODE MATERIAL; GRAPHENE; PERFORMANCE; OXIDE;
D O I：
10.1016/j.porgcoat.2019.105366
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Composite films made of graphene nanoplatelets (GNP) and magnetite Fe3O4 nanoparticles have been prepared with and without magnetic field. Poly(3,4-ethylenedioxythiophene):polystyrenesulfonic acid (PEDOT:PSS) was used as a stabilizing polymer matrix. Film morphology was found to depend strongly on the presence of magnetic field, i.e. more porous structure of GNP- Fe3O4 is formed in magnetic field. Thin films formed without magnetic field have activation character of conductivity, while thin films formed in magnetic field have metallic conductivity. Thus, the magnetic field acting during film formation in these composites results in semiconductor-metal transition. DFT calculations show that at low distance between GNP surface and nanoparticle strong interaction between them can be observed.
引用
收藏
页数：5
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