物理化学学报 >> 2001, Vol. 17 >> Issue (04): 364-366.doi: 10.3866/PKU.WHXB20010417

研究简报 上一篇    下一篇

酞菁钴/纳米铁复合颗粒的结构与微波电磁特性

方亮;龚荣洲;官建国;袁润章   

  1. 武汉理工大学 材料复合新技术国家重点实验室，武汉　430070
  • 收稿日期:2000-09-06 修回日期:2000-11-23 发布日期:2001-04-15
  • 通讯作者: 方亮 E-mail:fangliang001@263.net

Structure and Microwave Electromagnetic Properties of Cobaltphthalocyanine/Iron Nanocomposite Particles

Fang Liang;Gong Rong-Zhou;Guan Jian-Guo;Yuan Run-Zhang   

  1. State Key Laboratory of Advanved Technology for Materials Synthesis and Processing. Wuhan University of Technology, Wuhan　430070
  • Received:2000-09-06 Revised:2000-11-23 Published:2001-04-15
  • Contact: Fang Liang E-mail:fangliang001@263.net

PDF

3224

赞

关键词: 酞菁钴, 羰基铁, 纳米复合, 电磁特性, 微波

Abstract: CobaltPhthalocyanine/Iron (CoPc/Fe) nanocomposite particles were prepared using mehods of organicinorganic composite in situ with cobaltphthalocyanine(CoPc) and carbonyl iron. The structure of composite particles was characterized by density measurement, XRD, SEM and TEM. The results show that CoPc/Fe nanocomposites with density of 3.99 g•cm－3 were almost microsized regular spheroids consisting of α-Fe nanoparticles with average diameter 20 nm in inner and CoPc layer on the surface of spheroids. Further, microwave electromagnetic parameters of CoPc/Fe nanocomposite particles was measured, and the dependences of εr and μr on frequency were investigated. Compared with carbonyl iron powders, the composite permittivity εr significantly decreases while composite permability μr changes slightly, which may increases the width of microwave absorbing frequency.

Key words: Cobaltphthalocyanine, Carbonyl iron, Nanocomposite, Electromagnetic properties, Microwave