Visible luminescence from hydrogenated amorphous silicon modified by femtosecond laser radiation
classification
⚛️ physics.optics
cond-mat.mtrl-sci
keywords
silicona-siamorphousfemtosecondhydrogenatedlaserluminescencesio2
read the original abstract
Visible luminescence is observed from the composite of SiO2 with embedded silicon nanocrystallites produced by femtosecond laser irradiation of hydrogenated amorphous silicon (a-Si:H) film in air. The photoluminescence originates from the defect states at the interface between silicon crystallites and SiO2 matrix. The method could be used for fabrication of luminescent layers to increase energy conversion of a-Si:H solar cells.
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