电化学沉积法制备纳米铁微粒及其性能的研究  

Study on Preparation with Electrodeposition and Properties of Nanometer-sized Fe

作　　者：张智敏[1] 王自为[1] 张晔[1] 张宝山[1] 

机构地区：[1]山西大学化学化工学院,山西太原030006

出　　处：《山西大学学报（自然科学版）》2003年第3期235-237,共3页Journal of Shanxi University(Natural Science Edition)

摘　　要：讨论了通过电化学沉积法制备较均匀的纳米铁微粒.首次将表面活性剂十二烷基苯磺酸钠(DBS)引入电化学沉积过程.结合SEM和合成氨试验手段对产物进行了表征及性能测试,结果表明,加入的表面活性剂(DBS)有助于纯相Fe纳米晶的生成,所得粒体的原始晶粒尺寸<30nm.其作为合成氨的催化剂,在同样条件下使合成氨的合成速率增大.The uniform nanometersized Fe particle was prepared by electrodeposition method in the FeSO\-4H\-2O system with dodecylbenzenesulfonic acid,Sodium salt(DBS).The particle was characterized by Scanning Electron microscope(SEM) and the catalytic behaviours were tested by experiment system of synthesis ammonia.The average particle size was<30nm.The results show that the introduction of DBS is helpful to form pure nanometersized Fe crystal phase.

关 键 词：纳米铁微粒 电化学沉积法 制备方法 表面活性剂 十二烷基苯磺酸钠 催化活性 气敏性能 

分 类 号：TB383[一般工业技术—材料科学与工程] O643.36[理学—物理化学]