氧化锡纳米线的合成与表征  

The Synthesis and Characterization of SnO_2 Nano-Wires

作　　者：许并社[1] 李俊寿[1] 李三群[2] 尹玉军[2] 

机构地区：[1]太原理工大学,山西太原030024 [2]军械工程学院,河北石家庄050003

出　　处：《稀有金属材料与工程》2007年第A02期492-495,共4页Rare Metal Materials and Engineering

基　　金：国家自然科学基金项目(50572122)资助

摘　　要：研究了一种制备氧化锡纳米线的新方法-热爆形变合成法(TEDS)。该方法以铝热剂为主要原料,包括自蔓延高温合成和热爆成型两个基本过程。通过自蔓延高温合成反应获得熔融状态的SnO_2,再通过热爆反应,在气体迅速膨胀的过程中。把SnO_2拉制成纳米线。用SEM、TEM和XRD进行了表征。结果表明,氧化锡线的长度达几到几十毫米,直径为10～100nm,其中多数为40～60nm,其X射线衍射图谱与SnO_2的标准图谱完全吻合。与其它方法相比,TEDS法具有设备简单,操作方便,生产率高,无团聚等优点,稍加研磨便可获得长度不同的纳米棒。A new method of producing SnO2 nano-wires is reported, which take thermit as crude materials basically, named thermal explosive deforming synthesis （TEDS）. It contained two fundamental processes of self-propagating high-temperature synthesis and thermal explosive deforming in TEDS. A kind of viscid fluid SnO2 is obtained in the former process, and SnO2 nano-wires are produced in the latter process, which are analyzed by XRD, SEM, TEM and HRTEM. The results show that the nano-wires have lengths up to tens millimeters and diameters in the range of 10-100 nm, with 40-60 nm in the majority. XRD patterns of the wires are the same as ones of standard SnO2. Comparing to the other methods, there are many advantages for TEDS, such as simpler equipment, easier operation, higher productivity and achievement of nano-rods of different length by grinding SnO2 nano- wires.

关 键 词：氧化锡 纳米线 功能陶瓷 爆炸合成 

分 类 号：O614.432[理学—无机化学]