中文摘要：

以钛酸四正丁酯（（C4H9O）4Ti）水解沉淀的钛羟基氧化物和硝酸锶（Sr（NO3）2）为反应原料,以氢氧化钾（KOH）为矿化剂,以乙二醇（（HOCH2）2）为溶剂,经200℃溶剂热反应得到了由纳米颗粒自组装形成的SrTiO3片状纳米结构。分别用XRD、SEM、TEM表征SrTiO3粉体的物相结构和微观形貌。通过光催化降解罗丹明B（RhB）对比研究了乙二醇溶剂热合成的纳米颗粒自组装SrTiO3片状纳米结构和水热合成的SrTiO3粉体的光催化性能,结果表明,乙二醇溶剂热合成的SrTiO3自组装片状纳米结构具有更加优异的光催化性能。

英文摘要：

Strontium titanate （SrTiO3） nanosheets self-assembled by nanoparticles were successfully synthesized by ethylene glycol solvothermal reaction route with titanium oxide hydroxyl as reaction materials and potassium hydroxide （KOH） as mineralizer at 200℃. The composition and morphology of the synthesized powders were investigated using XRD, SEM and TEM. The photocatalytic activities of the samples synthesized by hydrother- mal and solvothermal method were studied through recording the degradation of Rhodamine B （RhB） in UV. The result shows that the SrTiO3 self-assembly nanosheets perform better photocatalytic activities.