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金属学报  2009, Vol. 45 Issue (9): 1135-1140    
  论文 本期目录 | 过刊浏览 |
静电自组装制备Fe2O3-PANI复合粒子的结构与性能
张 霞; 王晶;  陈莉
东北大学理学院; 沈阳 110004
STRUCTURE AND PERFORMANCE OF Fe2O3-PANI COMPOSITE NANOPARTICLES SYNTHESIZED BY ELECTROSTATIC SELF-ASSEMBLY
ZHANG Xia; WANG Jing; CHEN Li
College of Sciences; Northeastern University; Shenyang 110004
引用本文:

张 霞 王晶 陈莉. 静电自组装制备Fe2O3-PANI复合粒子的结构与性能[J]. 金属学报, 2009, 45(9): 1135-1140.
, , . STRUCTURE AND PERFORMANCE OF Fe2O3-PANI COMPOSITE NANOPARTICLES SYNTHESIZED BY ELECTROSTATIC SELF-ASSEMBLY[J]. Acta Metall Sin, 2009, 45(9): 1135-1140.

全文: PDF(1209 KB)  
摘要: 

以十六烷基三甲基溴化铵对α-Fe2O3纳米颗粒进行表面修饰, 控制体系pH值, 将聚苯乙烯磺酸钠(PSS)掺杂的纳米聚苯胺(PANI)静电自组装在α-Fe2O3粒子表面, 形成结构均匀的Fe2O3-PANI复合粒子. 系统研究了体系的pH值、反应温度、反应时间等因素对复合粒子结构的影响, 确定了形成结构均匀复合粒子的最佳工艺条件. 应用TEM, XRD, FTIR和电化学工作站对复合粒子进行了结构和性能表征. 循环伏安曲线和FTIR光谱分析结果表明, 与PANI相比, Fe2O3-PANI复合粒子保持了PANI良好的电化学活性, 红外吸收能力增强.

关键词 静电自组装α-Fe2O3 聚苯胺(PANI)红外吸收    
Abstract

Sodium polystyrene sulfonate (PSS) doped polyaniline (PANI) nanoparticles were self-assembled on α-Fe2O3 nanoparticles, of which the surfaces have been modified by hexadecyl trimethyl ammonium bromide (CTAB), through controling the pH value. The effects of pH value, temperature and reaction time on the structure of composite particles were systematically studied, and the optimum conditions were determined. TEM, XRD, FTIR and cyclic voltammetry (CV) were used to characterize the composite particles. The analyses of CV curve and FTIR spectrum showed that compared with PANI nanoparticles, the Fe2O3-PANI composite particles present enhanced infrared absorption and well electrochemical property.

Key wordselectrostatic self-assembly    α-Fe2O3    polyaniline (PANI)    infrared absorption
收稿日期: 2009-05-08     
ZTFLH: 

O648

 
基金资助:

国家重点基础研究发展计划资助项目2006CB605103

作者简介: 张霞, 女, 1971年生, 副教授, 博士

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