| 聚苯乙炔/碳纳米管复合材料的导电性能研究 |
| |
| 引用本文： | 李相美,徐学诚,余维,顾英俊,石岩,成荣明,陈奕卫. 聚苯乙炔/碳纳米管复合材料的导电性能研究[J]. 化学研究与应用, 2006, 18(6): 663-666 |
| |
| 作者姓名： | 李相美 徐学诚 余维 顾英俊 石岩 成荣明 陈奕卫 |
| |
| 作者单位： | 华东师范大学纳米功能材料与器件应用研究中心,上海,200062;华东理工师范大学物理系,上海,2000237;华东理工大学超细材料制备与应用教育部重点实验室,上海,200237;华东理工师范大学物理系,上海,2000237 |
| |
| 摘 要： | 本文以无水A lC l3作催化剂合成聚苯乙炔(PPA),用H2SO4对其进行磺化改性,采用其混法制得了PPA/碳纳米管(CNTs)及磺化PPA/CNTs复合材料,对二者的常温电导率及变温电导率进行了测试。结果表明:磺化PPA的电导率较PPA的提高了3个数量级;随着CMTs含量增加,复合材料的电导率升高;PPA/CNTs导电的阈值是3%,达极限电导率(0.04S/m)所需CNTs含量为25%,而磺化PPA/CNTs导电的阈值是2%,达极限电导率所需CNTs(0.14 s/m)含量为25%。并分析了温度变化对复合材料电阻变化的影响因素。
|
| 关 键 词： | 碳纳米管(CNTs) 聚苯乙炔(PPA) 导电高分子 |
| 文章编号： | 1004-1656（2006）06-0663-04 |
| 收稿时间： | 2006-01-16 |
| 修稿时间： | 2006-04-10 |
Study on electrical property of polyphenylacetylene/carbon nanotubes composites |
| |
| LI Xiang-mei,XU Xue-cheng,YU Wei,GU Ying-jun,SHI Yan,CHENG Rong-ming,CHEN Yi-wei. Study on electrical property of polyphenylacetylene/carbon nanotubes composites[J]. Chemical Research and Application, 2006, 18(6): 663-666 |
| |
| Authors: | LI Xiang-mei XU Xue-cheng YU Wei GU Ying-jun SHI Yan CHENG Rong-ming CHEN Yi-wei |
| |
| Affiliation: | 1. Center of Functional Nanomaterials and Devices, East China Normal University, Shanghai 200062, China; 2. Department of Physics of East China University of Science and Technology,Shanghal 200237, China; 3. Department of Physics of East China University of Science and Technology, Key Laboratory for Uhrafine Materials of Ministry of Education,Shanghai 200237,China |
| |
| Abstract: | Polyphenylacetylene(PPA) has been prepared with anhydrous AlCl_3 as catalyst,and sulfonated by concentrated H_2SO_4.The conductivity of PPA/Carbon nanotubes(CNTs) and sulfonated PPA/CNTs composites is studied,which are prepared by blending CNTs with polymer in tetrahydrofuran under sonication.The result indicates that the conductivity of the sulfonated PPA has increased by 3 orders of magnitudes compared to PPA;and that the conductivity of the two kinds of composites is enhanced with the content of CNTs increasing under the room temperature;and that the estimated percolation threshold of PPA/CNTs is 3%,which of sulfonated PPA/CNTs is 2%;and that the amount of CNTs that are added to PPA for obtaining the maximum conductivity is 25%,which of sulfonated PPA/CNTs is 2.5%.The conductive factors of the composites has been analyzed when the temperature changes. |
| |
| Keywords: | carbon nanotubes(CNTs) polyphenylactylene(PPA) conductive polymer |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
