Microwave Absorption Properties of Polyester Composites Incorporated with Heterostructure Nanofillers with Carbon Nanotubes as Carriers
LIU Hai-Tao1, LIU Yang2, WANG Bin-Song2**, LI Chen-Sha3**
1College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035 2Key Laboratory of Chemical Engineering Process and Technology for High-Efficiency Conversion, School of Chemistry and Material Sciences, Heilongjiang University, Harbin 150080 3Department of Mechanical Engineering, Tsinghua University, Beijing 100084
Abstract：Carbonaceous nanomaterials such as carbon nanotubes (CNTs), magnetic metal nanomaterials and semiconductor nanomaterials are superior candidates for microwave absorbers. Taking full advantage of the features of CNTs, nanophase cobalt and nanophase zinc oxide, whose main microwave absorption mechanisms are based on resistance loss, magnetic loss and dielectric loss, we fabricate CNT/Co and CNT/ZnO heterostructure nanocomposites, respectively. By using the CNTs, CNT/Co nanocomposites and CNT/ZnO nanocomposites as nanofillers, composites with polyester as matrix are prepared by in situ polymerization, and their microwave absorption performance is studied. It is indicated that the synergetic effects of the physic properties of different components in nano-heterostructures result in greatly enhanced microwave absorption performance in a wide frequency range. The absorption peak is increased, the absorption bandwidth is broadened, and the maximum peak shifts to a lower frequency.
(Scattering by point defects, dislocations, surfaces, and other imperfections (including Kondo effect))
引用本文:
. [J]. 中国物理快报, 2015, 32(4): 44102-044102.
LIU Hai-Tao, LIU Yang, WANG Bin-Song, LI Chen-Sha. Microwave Absorption Properties of Polyester Composites Incorporated with Heterostructure Nanofillers with Carbon Nanotubes as Carriers. Chin. Phys. Lett., 2015, 32(4): 44102-044102.
2015, Vol. 32 
