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引用
期刊论文
Fabrication of BaTiO3 Inverse Opal Photonic Crystal
Chinese Chemical Letters Vol. 15, No.2, pp 228-230, 2004,-0001,():
The colloidal crystal template or opal with a closed-packed face centered cubic (fcc)lattice, was prepared from monodisperse polystyrene (PS) spheres by gravity sedimentation. The template was used for the generation of photonic crystal. The template provided void space for infiltration of liquid precursor composed of titanium butyloxide, barium acetate, ethanol, and acetic acid. The opal composite was hydrolyzed, dried, sintered by heating for completely removing PS spheres to form BaTiO3 photonic crystals with inverse opal structure. The PS spheres were replaced by air spheres, which interconnected each other through the windows on the BaTiO3 wall. So both the BaTiO3 wall and air void constitute continuous phases.
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