摘要
结合仿生矿化的方法,通过牛血清白蛋白Langmuir膜板矢量控制和氨水动态控制相结合,合成了大面积连续致密具有(200)晶面取向的多孔Zn_5(OH)_8(NO_3)_2薄膜。经扫描电子显微镜(SEM)、透射电子显微镜(TEM)、X射线衍射仪(XRD)及X射线光电子能谱分析仪(XPS)等测量手段,分析了Zn_5(OH)_8(NO_3)_2薄膜样品的表面形貌和结晶性能,并结合生物矿化原理推测了双重模板的控制机制。本文提供了一种全新的在室温下制备具有良好结晶度且适于大面积生产薄膜的方法。
Compact large area Zn_5（OH）_8（NO_3）_2 thin films with uniform surface morphology and wellorientation along the（200）plane were synthesized by an unusual dual-template biomimetic approach.In such a biomimetic system,a bovine serum albumin（BSA）Langmuir monolayer was used as one organic matrix template,whereas the vapor-liquid interface generated by the vapor diffusion of catalyst（ammonia）served as the other nucleation template providing kinetic control.The crystallinity,morphology and overall chemical composition of thin films were characterized by X-ray diffraction（XRD）,X-ray photoelectron spectroscopy（XPS）,scanning electron microscopy and transmission electron microscope（TEM）.The formation process of the Zn_5（OH）_8（NO_3）_2 films were discussed in detail based on the characterization.Compared with the method with only organic template,the synergetic effect of the dual template plays an important role in the formation of thin films.The method developed here provides a novel route for growing large area and well-oriented thin films at room temperature.
出处
《材料科学与工程学报》
CAS
CSCD
北大核心
2016年第6期967-971,共5页
Journal of Materials Science and Engineering
基金
国家自然科学基金资助项目(21203055)
