Influence of Radial Deformed on Dielectric Constant and Absorption Spectra of Single-wall Carbon Nanotube 单壁碳纳米管径向形变对介电常数和吸收光谱的影响【光】径向镜头变形
The electronic structure, dielectric function, complex reflectivity index and absorption spectra of the perfect scheelite-and raspite-structured PWO crystal have been calculated using LAPW+ LO method. 利用完全势缀加平面波局域密度泛函近似,计算了完整的白钨矿结构和斜钨矿结构的钨酸铅晶体的电子结构,模拟计算了复数折射率、介电函数及吸收光谱。
Results show that N-doped TiO2 made energy band gap reduced, the imaginary part of dielectric function and absorption spectra are moving to low-energy area, that is, it can cause the absorption band of optical catalysis to red-shift. 其次,本文对N掺杂TiO2作了详细的分析,通过分析得出N掺杂TiO2能使能带带间隙减小,介电函数虚部和吸收系数光谱图都向低能区移动,即光吸收带实现红移。