Nitrogen and Boron Co-Doped Carbon Nanotubes Embedded with Nickel Nanoparticles as Highly Efficient Electromagnetic Wave Absorbing Materials |
| |
Authors: | Xin Zhu Feng Yan Chunyan Li Lihong Qi Haoran Yuan Yanfeng Liu Chunling Zhu Yujin Chen |
| |
Affiliation: | (Key Laboratory of In-Fiber Integrated Optics(Ministry of Education),and College of Science,Harbin Engineering University,Harbin 150001,China;College of Materials Science and Chemical Engineering,Harbin Engineering University,Harbin 150001,China;School of Materials Science and Engineering,Zhengzhou University,Zhengzhou 450001,China) |
| |
Abstract: | Due to the limitations of impedance matching and attenuation matching,carbon nanotubes(CNTs) employed alone have a weak capacity to attenuate electromagnetic wave(EMW) energy.In this work,B and N co-doped CNTs with embedded Ni nanoparticles(Ni@BNCNTs) are fabricated via an in situ doping method.Compared with a sample without B doping,Ni@BNCNTs demonstrate a superior EMW absorption performance,with all minimum reflection loss values below-20 dB,even at a matching thickness of 1.5 mm.The experimental and theoretical calculation results demonstrate that B doping increases conduction and polarization relaxation losses,as well as the impedance matching characteristic,which is responsible for the enhanced EMW absorption performance of Ni@BNCNTs. |
| |
Keywords: | |
本文献已被 CNKI 维普 等数据库收录! |
|