Large-Scale Synthesis and Microwave Absorption Enhancement of Actinomorphic Tubular ZnO/CoFe2O4 Nanocomposites

被引:117
作者
Cao, Jing [1 ]
Fu, Wuyou [1 ]
Yang, Haibin [1 ]
Yu, Qingjiang [1 ]
Zhang, Yanyan [1 ]
Liu, Shikai [1 ]
Sun, Peng [1 ]
Zhou, Xiaoming [1 ]
Leng, Yan [1 ]
Wang, Shuangming [1 ]
Liu, Bingbing [1 ]
Zou, Guangtian [1 ]
机构
[1] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China
关键词
MOLECULAR-STRUCTURE; DIELECTRIC-RELAXATION; ZNO NANOSTRUCTURES; OPTICAL-PROPERTIES; GROWTH-MECHANISM; LOW-TEMPERATURE; LIQUIDS; ARRAYS; NANOWIRES; BUNDLES;
D O I
10.1021/jp8093287
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Actinomorphic tubular ZnO/CoFe2O4 nanocomposites were fabricated in large scale via a simple solution method at low temperature. The phase structures, morphologies, particle size, shell thickness, chemical compositions of the composites have been characterized by X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), energy dispersive X-ray spectroscopy (EDS), and transmission electron microscopy (TEM). The as-synthesized nanocomposites were uniformly dispersed into the phenolic resin then the mixture was pasted on metal plate with the area of 200 mm x 200 mm as the microwave absorption test plate. The test of microwave absorption was carried out by the radar-absorbing materials (RAM) reflectivity far field radar cross-section (RCS) method. The range of microwave absorption is from 2 to 18 Hz and the best microwave absorption reach to 28.2 dB at 8.5 Hz. The results indicate that the composites are of excellence with respect to microwave absorption.
引用
收藏
页码:4642 / 4647
页数:6
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