Effects of external electric field on film growth, morphology, and nanostructure of polyelectrolyte and nanohybrid multilayers onto insulating substrates.
Effects of external electric field on film growth, morphology, and nanostructure of polyelectrolyte and nanohybrid multilayers onto insulating substrates.
复制标题
DOI：
10.1021/la104120b
复制
发表时间：
2011-01
期刊：
影响因子：
--
通讯作者：
Guojun Zhang;L. Dai;Lei Zhang;S. Ji
中科院分区：
文献类型：
--
作者：
Guojun Zhang;L. Dai;Lei Zhang;S. Ji
使用两个独立的电容器单元，成功地实现了在绝缘刚性基底上的纳米杂化多层膜和纳米杂化多层膜的电场增强逐层（LbL）组装。通过紫外-可见吸收光谱、表面轮廓仪、原子力显微镜和小角X射线衍射等手段研究了外加电场对多层膜形成的影响。该方法也被尝试作为一种手段，在平板聚合物多孔基底上制备选择性层，以获得具有高渗透汽化性能的致密复合膜。
Electric-field-enhanced layer-by-layer (LbL) assembly of polyelectrolyte and nanohybrid multilayers onto insulating rigid substrates was successfully accomplished using two independent capacitor cells. The influence of external electric field on the multilayer formation was intensively investigated by UV-vis adsorption spectrometry, profilometry, atomic force microscopy, and small-angle X-ray diffraction. This approach was also attempted as a means of fabricating selective layer on flat sheet polymeric porous substrates to obtain the dense composite membranes with high pervaporation performance.