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个人信息Personal Information
教授 博士生导师
招生学科专业：
化学 -- 【招收硕士研究生】 -- 材料科学与技术学院
材料科学与工程 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
机械 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
材料与化工 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
主要任职：面向苛刻环境的材料制备与防护技术工业和信息化部重点实验室主任
其他任职：江苏省金属学会副理事长，江苏省热处理及表面改性工程技术研究中心副主任，江苏省机械工程学会材料工程专业委员会副理事长，江苏省复合材料学会常务理事
毕业院校：南京航空航天大学
学历：南京航空航天大学
学位：工学博士学位
所在单位：材料科学与技术学院
办公地点：江宁校区东区D10-材料楼A511
联系方式：13951818597
电子邮箱：
Interfacial polymerization preparation of polyaniline fibers/Co0.2Ni0.4Zn0.4Fe2O4 urchin-like composite with superior microwave absorption performance
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所属单位：材料科学与技术学院
发表刊物：JOURNAL OF ALLOYS AND COMPOUNDS
关键字：Ferrite Polyaniline Interfacial polymerization Microwave absorption property
摘要：In this work, a polyaniline (PANI) fibers/Co0.2Ni0.4Zn0.4Fe2O4 (CNZF) composite (mass ratio of PANI to CNZF is 1:1) with a novel urchin-like structure was successfully fabricated through interfacial polymerization. The CNZF was synthesized by the sol-gel method, and whereafter, the PANI fibers were grafted onto the CNZF surface through in-situ polymerization. Structural and morphological properties were systematically investigated by using field emission scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectra (FTIR). In the frequency range of 2-18 GHz, the microwave absorption properties of samples were investigated by using vector network analyzer (VNA). The results demonstrated that the microwave absorbing capability of the PANI/CNZF composite was superior to the pure CNZF or PANI. For the PANI/CNZF composite, its optimal absorption peak reached -41.9 dB at 10.48 GHz with a 2.8 mm thickness and the effective absorption bandwidth (R-L < -10 dB) was 3.76 GHz. Moreover, the maximum effective bandwidth of PANI/CNZF reached 5.24 GHz (12.66-17.90 GHz) with a thinner thickness of 1.9 mm. On account of advanced impedance matching and increased interfacial effects, the PANI/CNZF composite possessed excellent microwave absorption properties and can be used as absorbers with strong absorption, extended absorbing bandwidth, and thin thickness. (C) 2018 Elsevier B.V. All rights reserved.
ISSN号：0925-8388
是否译文：否
发表时间：2018-11-15
合写作者：Qi, Tongbaihui,周金堂,Lin, Haiyan,Liu, Peijiang,Lei, Yiming,Zuo, Yuxin
通讯作者：姚正军,周金堂,姚正军