热解一维链状铜络合物单晶制备纳米氧化铜

Preparation of nano-copper oxide by thermal decomposition of one-dimensional chain copper complex of single crystal

采用Cu(NO3)2、吡啶与5-磺基水杨酸反应制得了具有一维链状结构的铜络合物单晶{[Cu(HSSA)(py)3].H2O}n(H3SSA=5-磺基水杨酸,py=吡啶)。采用X-射线衍射(XRD)、热重(TG)分析和透射电子显微镜(TEM)等手段表征了其在900℃下焙烧后的产物。X-射线衍射的结果表明焙烧后的产物是氧化铜。TG分析结果表明,该络合物的起始分解温度为80℃。TEM表征结果表明,氧化铜纳米颗粒的直径在50 mm～200 nm之间。该热解铜络合物制备纳米氧化铜的方法具有产率高、无毒、无害、廉价等优点。

The single-crystal copper complex {[Cu （HSSA）（py）]＇H20}n （H3SSA= 5-sulfosalicylic acid, py = pyridine） with one-dimensional chain structure was prepared by the reaction of Cu （NO3）2, pyridine and 5-sulfosalicylic acid. The product was characterized by the X-ray diffraction （XRD）, thermogravimetric analysis （TG） and transmission electron microscope （TEM） after calcination at 900℃. The XRD result displays that the calcined product is copper oxide. The TG resuh shows that the initial decomposition temperature of the complex is 80℃. The TEM characterization result reveals that the diameters of the CuO nanoparticles are between 50nm and 200nm. The preparation of nano-copper oxide by the thermal decomposition of the copper complex is high-yield, non-toxic, harmless and cheap, etc.