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多孔硅吸收光谱和反射光谱
Optical absorption and reflection spectra of porous silicon
【摘要】 测定了多孔硅的吸收光谱和反射光谱,结果发现其吸收边对应于可见光区域。同单晶硅相比,其吸收边发生了蓝移,并且吸收强烈。由多孔硅反射谱曲线,利用K-K关系对其光学常数进行了简单的计算和分析
【Abstract】 Optical absorption and reflection spectra of porous silicon (PS) are measured and analyzed,the result shows that the absorption edge of PS corresponds to the visible region.Compared with crystal silicon,porous silicon has a stronger optical absorption and blue shift has taken place at its absorption edge.Simple calculation and analysis of the optical constants of PS are made from the optical reflection spectrum curve by means of Kramers-Kroning relation.
【关键词】 多孔硅;
特性测试;
吸收光谱;
反射光谱;
【Key words】 Porous Silicon; Characteristics Test; Absorption Spectrum; Reflection Spectrum;
【Key words】 Porous Silicon; Characteristics Test; Absorption Spectrum; Reflection Spectrum;
- 【文献出处】 半导体光电 ,SEMICONDUCTOR OPTOELECTRONICS , 编辑部邮箱 ,1997年02期
- 【分类号】TN304.12
- 【被引频次】5
- 【下载频次】423