PbTiO3超微粒-硬脂酸复合超薄膜用LB膜技术制备, 用π-A曲线和原子力显微镜(AFM)进行膜性能的表征。 紫外-可见光吸收光谱、 荧光光谱和拉曼光谱表明: PbTiO3超微粒及其复合LB膜具有量子尺寸效应和介电限域效应; 复合LB膜在室温下具有光致发光现象和软模发生了变化。

PbTiO3 ultrafine particle-stearic acid composite ultrafine film was fabricated by LB film technology,and characterized by π-A curve and atom force mircoscope. The UV-visible absorption,fluorescent and Raman spectra showed that: PbTiO3 ultrafine particle and composite LB film had quantum-size effect and dielectric confinement effect. In composite ultrathin film, PbTiO3 ultrafine particles had photo-luminescence at room temperature and their soft-mode changed.