SHAO Chang-jin, HE Jing, LIU Bang-wu, XIA Yang, LI Chao-bo. Preparation and Optical Characterization of Black Silicon Materials[J]. Chinese Journal of Luminescence, 2012,33(12): 1357-1361
SHAO Chang-jin, HE Jing, LIU Bang-wu, XIA Yang, LI Chao-bo. Preparation and Optical Characterization of Black Silicon Materials[J]. Chinese Journal of Luminescence, 2012,33(12): 1357-1361 DOI: 10.3788/fgxb20123312.1357.
Preparation and Optical Characterization of Black Silicon Materials
The black silicon has been successfully produced by Au particle-assisted chemical etching. The microstructure
reflectance
surface morphology and photoluminescence properties of black silicon have been investigated by atomic force microscope
spectrophotometer
infrared spectrometer and photoluminescence spectrometer
respectively. The results show that the obtained black silicon exhibits a mountain-like structure with the average reflectance of 3.31%. The mechanism of black silicon produced by Au particle-assisted chemical etching is the combination of etching effect and passivation effect. The photoluminescence spectrum can be separated into three peaks which results from quantum confinement effect
siloxene
impurity and defect
respectively.
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Keywords
references
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