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- The optical band gap energy of CuInS2 thin films, deduced from the optical transmission spectrum, was 1. 50 eV. 结果表明;所制得的样品为四方结构的多晶CuInS_2薄膜;Cu/In比接近化学计量比;其光学禁带宽度为1.;50eV。
- The optical band gap increases from 3.21 eV to 3.25 eV as increasing dopant concentration from 0.01% up to 1%. 薄膜光学带隙随掺杂原子分数的提高从3.;21 eV增大到3
- But CIS possesses band gap energy equal to 1.04eV, which is not within the maximum solar absorption region. 太阳光的吸收要求材料的最佳带隙在1.;45eV左右;不过CuInSe_2的带隙为1
- Results indicate that the optical band gap of the CN x films is decreased with the increasing nitrogen concentration, accompanied with the reflectance increase of the films. 结果表明:随着薄膜中氮含量的增加,碳氮薄膜的光学禁带宽度减小,红外反射率增加。
- Optimal depositing parameters,IR absorption spectroscopy,variation of optical band gap Eopt with x,ESCA results of the a-SixC1-x:H films propeared by glow discharge deposition of SiH_4 and CH_4 mixture are presented. 本文主要介绍了应用SiH_4+CH_4的辉光放电法制备光电性能优良的a-si_xC_(1-x):H薄膜的最佳工艺条件、红外吸收谱、光隙E_(opt)同x的关系以及ESCA测量结果。
- XPS results showed that a stoichiometric CuInS2 film could be obtained when cCu/ cIn ratio in solution was 1.25, for which the absorption coefficient was > 104 cm-1 and the optical band gap Eg was 1.45 eV. 通过XPS测定薄膜表面的化学组成证明当cCu2+/cIn3+=1.;25时;CuInS2薄膜接近其标准的化学计量组成。 此时薄膜的吸收系数大于>104cm-1;禁带宽度Eg为1
- Effect of nitrogen pressure on structure and optical band gap of copper nitride thin films 氮分压对氮化铜薄膜结构及光学带隙的影响
- IR Absorbance and Optical Band Gap of C:F:H Films Deposited with Microwave ECR-CVD Method 微波ECR-CVD法制备a-C:F:H膜的红外吸收及其光学带隙
- Because the energy of photo emission at 330nm is much larger than the band gap energy of ZnO, so it can’t be the result of exciton recombination radiation; 330nm发射峰的能量大于氧化锌的禁带宽度,排除了激子复合的可能。
- band gap energy 带隙能量
- A novel BWO with photonic band gap structure[J]. 引用该论文 陈波;钱宝良;钟辉煌.
- optical band gap 光禁带
- The absorption coefficient,band gap and activation energy of these crystallized a-Si_xC_(1-x):H films decrease whilethe dark conductivity increases. 晶化后的a-Si_xC_(1-x):H膜光吸收系数、光学带隙和电导激活能下降;室温电导率增加.
- The visible-light responding region was extended by Mo6+ doping because the doping of Mo6+ could introduce crystal cavities into TiO2 nanoparticles and reduce its energy band gap. 利用Mo6+的掺杂在TiO2中引入缺陷,从而扩大TiO2催化剂的光谱响应范围。
- It also showed that the optical absorption edge of the annealed film appeared shifted towards the longer wavelength side and the band gap decreased by 0. 光学性质显示退火处理的薄膜吸收边缘明显的向长波的方向移动,发生红移现象,而且禁带宽度减少了0。
- Photonic crystals are a new kind of materials with photonic band gap. 光子晶体是一种具有光子带隙的新型功能材料。
- A novel photonic band gap (PBG) structure is presented in this paper. 提出一种新型微带光子带隙结构。
- The results show that these two models can qualitatively explain the AGN variability in the optical band. 结果表明:这两种模型是定性解释活动星系核光学波段光变的合理模型。
- The optical band cap of the films narrows as the content x increases from1.50 eV(x=0)to 0.84 eV(x=10 at.%)in investigated contents. 在研究的组分范围内;薄膜的光学带隙随Cr 组分的增大而变窄;由1.;50 eV(x=0)减小到0
- The average Fermi energy limit for 6k points is-12.45eV. The band gap at the edge of the first Brillouin Zone is 2.31eV. It shows that cellulose trinitrate has an electric conductivity similar to a semiconductor. 六个k点下的平均Fermi能界为-12.;45eV。 在第一Brillouia区边缘的带隙为2