中文摘要：

采用类水滑石型混合金属氢氧化物（CdCr-LDH和ZnCdCr-LDH）为前驱体，通过气-固反应方法，制备了根植于层状氢氧化物层板中的硫化镉纳米晶和硫化镉／硫化锌复合纳米晶，通过改变前驱体（CdCr-LDH）中镉和铬的摩尔比可以调控硫化镉纳米晶的粒径．

英文摘要：

The layered double hydroxide （LDH） compounds Cd0.7Cr0.3（OH）2（C12H25SO4）0.3·0.7H2O and Zn0.5Cd0.25Cr0.25（OH）2（C12H25SO4）0.25·1.7H2O were synthesized. Using these compounds as the precursors, we two types changing prepared CdS and CdS/ZnS nanocrystals that are implanted and stabilized in the layer matrices of the of compounds via a gas/solid reaction. The size of the nanocrystals can be controlled and tuned by the Cd/Cr molar ratio in the precursor.