Using Na2WO4 · 2H2O and CdCl2 · 2.5H2O as raw materials,CdWO4 nanorods with wolframite structure were synthesized in the presence of the surfactant of SDBS through a hydrothermal method,and characterized by XRD,TEM,EDS and SAED.The PL spectra of the CdWO4 nanorods prepared at different pH values of precursor solution were tested.The formation mechanism of CdWO4 nanorods was explored.The results show that the obtained products are CdWO4 nanorods with length of 1-1.5 μm and width of 50-80 nn.The surfactant SDBS plays a key role in the formation of the CdWO4 nanorods.The intensity of PL emissions of the samples increases with the increasing of crystallinity of the CdWO4 nanorods.%以Na2WO4·2H2O和CdCl2·2.5H2O为主要原料,以表面活性剂十二烷基苯磺酸钠(SDBS)为添加剂,通过水热反应合成了CdWO4纳米棒.用XRD、TEM、EDS、SAED等对产物进行了表征,初步探讨了CdWO4纳米棒的形成机理,测试了CdWO4纳米棒的光致发光性能.结果表明:产物为长1～1.5 μm、直径50～80 nm的Cd-WO4纳米棒;SDBS对CdWO4纳米棒的形成具有关键作用;随着CdWO4纳米棒结晶性的提高,其光致发光性能增强.
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