吸收边

  • 网络Absorption edge;NEXAFS
吸收边吸收边
  1. Mg含量增加,薄膜的吸收边蓝移,带隙增大。

    With the content of Mg increased , absorption edge of the film blue shift and band gap increased .

  2. 发现基本吸收边随Mn成分的增加向低能量边移动。

    The fundamental absorption edge is found to shift toward a lower energy side with increasing Mn composition .

  3. 测得的谱显示的振荡结构在硼k壳层吸收边以上延续约300电子伏。

    The oscillating structures were up to 300 eV above the boron K-edge .

  4. Cd(1-x)MnxTe基本吸收边的研究

    Study of the fundamental absorption edge of cd_ ( 1-x ) mn_xte

  5. 透射光谱表明,光学吸收边随Si层厚度的减小向短波方向移动;

    The optical transparence spectra showed that the optical absorption edge shifted to shorter wavelength when thickness of Si layer was decreased .

  6. 因Mo与纳米管间的耦合及量子限域效应,吸收边红移。

    The coupling effect and quantum limiting effect between Mo and nanotube lead to red shift of absorption edge .

  7. Cu掺杂对样品的光透过率影响较小,但会使样品的吸收边向低能量方向发生移动。

    Cu-doped sample of the transmission rate is less affected , but doped will move absorption edge of the sample to the short wavelength .

  8. UV-Vis透射光谱中观察到光吸收边相对于体相半导体有明显蓝移。

    A blue - shift of the optical absorption edge was observed from the UV-Vis transmission spectra .

  9. AgI-SiO2复合体系的光谱吸收边与纯AgI及纯SiO2不同。

    The absorption edge of the AgI-SiO_2 composites is different from both pure constituents .

  10. 透射光谱显示,AZO薄膜的吸收边随Al含量增加向长波长方向移动,出现红移现象。

    The transmission spectra show that the absorption edge of AZO films with increasing content of Al was shifted to longer wavelength , red shift .

  11. 通过对该曲线的研究,发现铌酸钙钡晶体吸收边以下对应的跃迁为间接跃迁,计算出间接跃迁的禁带宽度Eg以及声子能量EP。

    Furthermore , the bandgap width Eg for the indirect transition and the phonon energy Ep are calculated by using this curve respectively .

  12. UV-VIS分析显示该复合材料的吸收边位于510nm处的可见光区域。

    UV-VIS analysis show that the absorption edge of ZnIn2S4 / carboxylic fluoropolymer fiber composites is at 510 nm within visible-light region .

  13. 表面包覆的ZnFe2O4纳米粒子的光吸收边红移

    Optical absorption red-shift of ZnFe_2O_4 nanoparticles capped with DBS surfactant

  14. 着重讨论了光热辐射光谱(PTR)技术的探测灵敏度问题,用该方法测量了Cu2O和GaAs两种材料的吸收边。

    The detective sensitivity of the photothermal radiometry ( PTR ) spectrum technique is discussed and the absorption edges of Cu_2O and GaAs are measured .

  15. ZAO样品的可见光区透射率同样达到90%,随着Al掺杂浓度或退火温度的升高,薄膜光吸收边向短波方向移动。

    With Al doping concentration and the annealing temperature increasing , the absorption edge of the transmission curve of the films moves toward short wavelength .

  16. Gd∶PbWO4晶体的吸收边紫移,提高了透过率,从而提高了发光效率。

    The absorption band of Gd ∶ PbWO 4 crystals shifts to ultraviolet , which improves the transmission and increases the luminescence efficiency .

  17. 同时随着Mg含量的增加,样品的(111)峰位向大角度方向移动,吸收边和发光峰的蓝移也增加,蓝移说明了带隙的展宽。

    As Mg concentration increases ,〈 111 〉 peak moves toward large angle , and blue shift of both the absorption edge and PL peak becomes increasingly pronounced , indicating the band-gap widening .

  18. 固液同成分点组分LiNbO3紫外吸收边研究

    Study of the ultraviolet absorption edge of LiNbO_3 crystal solid-liquid congruent point composition

  19. 初始自发晶化的Se薄膜其透射率低于非晶Se薄膜,光学吸收边向长波长方向移动。

    The transmission intensity of the spontaneous crystallization of Se thin film was lower than that of the amorphous Se thin film and the absorption edge was shifted to longer wavelength .

  20. 对实验吸收边蓝移量与有效质量模型的蓝移量的悬殊差别、俘获态PL谱的形成以及PL谱线的特征作了解释。

    The great discrepancy between the absorption blue shifts from experiment and effective mass model as well as the formation and characteristics of photoluminescence spectra are explained .

  21. 在Ag掺杂为1%的氧化锌薄膜对紫外光的透射率最低,并且掺杂的氧化锌薄膜的吸收边向长波长方向移动。

    In 1 % Ag-doped of the zinc oxide film on the UV transmittance of the minimum , and the absorption edge of doped zinc oxide thin films shifted to longer wavelengths .

  22. 固液同成分点组分的LiNbO3晶体吸收边的异常紫移

    The anomalous violet-shift of absorption edge of linbo_3 crystals of the solid-liquid congruent point composition

  23. 非金属F掺杂后,吸收边产生了蓝移,S和N掺杂后,TiO2薄膜的禁带宽度明显减小,可见光活性明显增强。

    The absorption edge of S and N doped TiO2 also has red shifts because the band gap of TiO2 thin film decreased obviously and the visible light activity is remarkably improved , while that of F doped sample produces blue shift .

  24. 与纯CdSe相比,两种掺杂系统的带隙均变小,吸收边都有明显的红移。

    The band gaps of the two doped systems become smaller and the absorption edges shift obviously to the infared region compared with that of the pure CdSe system .

  25. UV-vis测试表明,Co掺杂ZnS粉体使其吸收边红移,实现可见光响应,对甲基橙溶液的光催化降解活性远优于纯ZnS粉体。

    UV-visible spectroscopy shows that Co doped ZnS powder has red shift of absorption edge to achieve visible light response , so that its photocatalytic degradation of methyl orange solution is far superior to pure ZnS powder .

  26. UV-vis结果显示,与P25相比,Ag-TiO2催化剂吸收边带发生了红移,说明Ag负载有利于光催化剂对可见光的吸收。

    Seen from the UV-vis results , the edge of Ag-TiO2 photocatalysts has a red shift compared with P25 , indicating that Ag-doped photocatalysts favor the absorption of visible light .

  27. 发现非掺杂的钨青铜结构晶体的紫外吸收边一般在380nm。

    The ultraviolet absorption edge of non-doped crystal was usually at 380 nm .

  28. 对于吸收边的蓝移,我们认为是量子尺寸效应造成的;对于带尾态的产生,我们则将其归结为AgI界面处存在的不饱和的悬键所致。

    The blue shift is due to quantum size effect and the band tail is likely to be caused by the unsaturated dangling bonds on the AgI boundary .

  29. 与TiO2相比,/TiO2光催化剂的锐钛矿含量高、晶粒小、BET比表面积大、孔径分布集中、光谱吸收边蓝移,具有优异的光催化氧化活性、稳定性及抗湿性能。

    When compared to unmodified TiO2 , the / TiO2 catalyst exhibited higher anatase content , smaller crystal size , higher specific surface area , centralized pore size distribution , and the blue - shifted band edge of Uv - vis adsorption spectra .

  30. 当载流子浓度升高时,吸收边出现明显的Burstein-Moss蓝移效应。

    With the increase in carrier concentration , Burstein-Moss effect is observed with an obvious blue shift of the Absorption edge .