聚苯胺-铁氰化镍纳米复合颗粒的结构与性能调控  

Tuning Structure and Performance of Electroactive Nickel Hexacyanoferrate/Polyaniline Hybrid Nanoparticles

作　　者：王忠德[1] 王艳红[1] 臧杨[1] 杨宇娇[1] 郝晓刚[1] 马国章 马旭莉[1] 

机构地区：[1]太原理工大学化学化工学院,太原030024 [2]山西省应用化学研究所,太原030024

出　　处：《太原理工大学学报》2013年第2期132-137,共6页Journal of Taiyuan University of Technology

基　　金：国家自然科学基金资助项目(21276173);山西省自然科学基金资助项目(2012011020-5;2012011006-1)

摘　　要：采用循环伏安一步法在Pt/CNTs基体上制得PANI-NiHCF立方体纳米复合颗粒。通过调节制备液中苯胺单体浓度对复合颗粒的结构和性能进行调控。利用X射线能谱仪(EDS)、扫描电子显微镜(SEM)、循环伏安(CV)、电化学阻抗(EIS)等技术表征手段对复合纳米颗粒的组成、表观形貌及电化学性能进行分析与测试。研究结果表明:随制备液中苯胺单体浓度增大,复合纳米颗粒中PANI与NiHCF组分摩尔比逐渐增大、立方体颗粒粒度先变大后变小且复合颗粒中NiHCF的微观结构随之变化。聚苯胺与"不溶性"结构NiHCF结合更加牢固稳定且电荷传递电阻小。Electroactive cubic hybrid nanoparticles of polyaniline/nickel hexacyanoferrate （PANI/NiHCF） were synthesized on carbon nanotubes （CNTs） modified platinum electrodes by a one-step electrosynthesis method using cyclic voltammetry. The structure and performance of electroactive PANI/NiHCF hybrid nanoparticles were tuned by changing aniline concentration in the electrodeposition base solution. The morphologies and structures of the as-prepared PANI/ NiHCF hybrid nanoparticles were characterized using scanning electron microscopy （SEM）, ener- gy-dispersive X-ray spectroscopy （EDS） and Fourier transform infrared spectroscopy （FT-IR）. The performance of the PANI/NiHCF hybrid nanoparticles were monitored by cyclic voltammetry （CV） and electrochemical impedance spectroscopy （EIS）. The results show that the morpholo- gies and structures of the PANI/NiHCF hybrid nanoparticles were tuned by changing aniline con- centration in the electrodeposition base solution. The excellent stability and low resistance were showed in the hybrid nanoparticles of PANI and the insoluble NiHCF.

关 键 词：聚苯胺 铁氰化镍 立方纳米颗粒 结构调控 

分 类 号：O646[理学—物理化学]