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。
Compared with crystal silicon, porous silicon has a stronger optical absorption and blue shift has taken place at its absorption edge.
同单晶硅相比，其吸收边发生了蓝移，并且吸收强烈。
The optical transmittance of al doped AZO is as high as 85% in the visible region, the UV absorption edge is blue shifted greatly with increasing al doping concentration.
AZO透明导电材料的光学透过率在可见光范围内高达85%，紫外吸收限随着掺杂浓度的增加而发生蓝移。
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