mean particle size of the nanocomposite determined by dynamic light scattering technique was 58 nm. The catalytic activity of ZnO-CeO2 nanocomposite was examined on the synthesis of thieno[2,3-d]pyrimidin-4(3H)-one derivatives. In all cases, the products were obtained in good to excellent yields.
摘要 采用共沉淀法制备
氧化锌-
氧化铈(ZnO-
CeO2)纳米复合材料,并通过X射线衍射(XRD)、场发射扫描电子显微镜(FE-
SEM)和粒度分布分析对其进行表征。XRD图显示
氧化铈的立方相作为主要相。FE-
SEM 图像显示了样品中
氧化锌和
氧化铈的均匀性分布。通过动态光散射技术测定的纳米复合材料的平均粒径为 58 nm。ZnO- 纳米复合材料的催化活性在
噻吩并[2,3-d]
嘧啶-4(3H)-one 衍
生物的合成中进行了检测。在所有情况下,产品都以良好到极好的收率获得。