用于一维多层光子晶体的钒酸铋层与纳米颗粒掺杂二氧化硅层交替结构
Bismuth vanadate layers alternated with nanoparticle-doped silicon dioxide layers for one-dimensional multilayer photonic crystals
AI总结:
本文构建含单斜钒酸铋层、TiO2与Ag纳米颗粒掺杂SiO2层的一维光子晶体,利用传输矩阵法分析层厚和填充因子对透射光谱及光学性质的影响。
摘要:
钒酸铋因其高光催化活性而成为光催化领域研究最多的材料之一。其光学性质的调控可通过制备包含钒酸铋的光子晶体来实现。在本研究中,具有单斜斜钒铋矿结构的钒酸铋被纳入一维光子晶体中。钒酸铋层与掺杂二氧化钛纳米颗粒和银纳米颗粒的二氧化硅层交替排列。研究采用传输矩阵法考察了该晶体的光学性质,并考虑了所选材料的全部折射率色散。同时,研究了透射光谱随钒酸铋层厚度以及二氧化硅层中二氧化钛和银(原文为 silver dioxide)填充因子的变化关系。
英文摘要:
Bismuth vanadate is one of most studied materials in the field of photocatalysis due to its high photocatalytic activity. The modulation of its optical properties can be engineered by fabricating photonic crystals in which bismuth vanadate is included. In the present study, bismuth vanadate in the monoclinic clinobisvanite structure has been included in a one-dimensional photonic crystal. Bismuth vanadate layers are alternated with layers on silicon dioxide doped with titanium dioxide nanoparticles and silver nanoparticles. The optical properties of the crystal have been studied by employing the transfer matrix method, taking into account all the refractive index dispersions of the selected materials. The transmission spectra have been studied as a function of the bismuth vanadate layers thickness and the filling factor of titanium dioxide and silver dioxide in the silicon dioxide layers.
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