Abstract:Photoinduced carrier lifetimes of R F sputtered a-Si : H alloy are measured by time-resolved reflectivity and photoconductivity decay methods. Both experiments indicate a lifetime of about 5 ps. A calculation of the relaxation time of photogenerated carriers from extended mobility edge to midgap localized states satisfactorily agrees with this value.Photoinduzierte Tragerlebensdauern in HF-aufgestaubten a-Si : H-Legierungen werden mit zeitaufgelosten Reflexions-und Photoleitungsabklingmethoden gemessen. Beide … Show more
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