Synthesis and characterization of poly(1-vinyl-1,2,4-triazole) (PVTri)-barium hexaferrite nanocomposite

被引：18
作者：
Durmus, Z. [1 ]
Unal, B.
Toprak, M. S. [2 ]
Aslan, A. [1 ]
Baykal, A. [1 ]
机构：
[1] Fatih Univ, Dept Chem, TR-34500 Istanbul, Turkey
[2] Royal Inst Technol KTH, Funct Mat Div, SE-16440 Stockholm, Sweden
来源：
PHYSICA B-CONDENSED MATTER | 2011年 / 406卷 / 11期
关键词：
Nanocomposite; Hexaferrites; Electrical properties; Poly(1-vinyl-1,2,4-triazole); FERRITE; NANOPARTICLES; CONDUCTIVITY;
D O I：
10.1016/j.physb.2011.03.063
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present a method for the fabrication of PVTri-BaFe12O19 nanocomposites by in-situ polymerization of PVTri in the presence of synthesized BaFe12O19 nanoparticles. Nanoparticles, polymer and nanocomposite were analyzed by XRD, FTIR, TGA, TEM, NMR, GPC and conductivity techniques for structural and physicochemical characteristics. Crystallographic analysis revealed the phase as hexaferrite and X-ray line profile fitting yielded a crystallite size of 17 +/- 5 nm. Conjugation of PVTri to nanoparticle surface was assessed to be via carbonyl groups on the polymer. TG analysis revealed that 45 wt% of nanocomposite is inorganic phase (BaFe12O19). It was found out that the ac conductivity of nanocomposite under a certain frequency increases with temperature. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：2298 / 2302
页数：5
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