摘要
以乳液聚合得到的单分散性聚苯乙烯(PS)微球为种子,利用原位溶胶凝胶技术在微球的表面上吸附上二氧化钛(TiO2)小颗粒,从而得到PS/TiO2复合微球的乳液,利用乳液的自组装得到了PS/TiO2复合材料的蛋白石结构光子晶体。比较了PS蛋白石结构光子晶体和PS/TiO2复合材料蛋白石结构光子晶体的透射谱,得出复合材料的光子晶体带隙特征比PS光子晶体的带隙特征强。
Monodispersed polystyrene (PS) spheres of different diameter were prepared by emulsion polymerization, and then composite spheres of PS/TiO2 were formed by in-situ Sol-Gel technique, finally photonic crystal of PS/TiO2 opal structure were fabricated by self-assembly. The opal PS colloidal crystals exhibit incomplete photonic band gap, which could be enhanced by replacing the PS spheres with PS/TiO2 composite spheres.
出处
《电子元件与材料》
CAS
CSCD
北大核心
2003年第9期45-47,共3页
Electronic Components And Materials
基金
天津自然科学基金项目(013603011)
关键词
聚苯乙烯/二氧化钛
蛋白石结构光子晶体
光子带隙
polystyrene/titania (PS/TiO2)
photonic crystal of opals structure
photonic band gap
