INTRABAND ENERGY RELAXATION OF HOT CARRIERS IN CDSE

被引:10
作者
MASUMOTO, Y
SASAKI, F
机构
[1] Institute of Physics, University of Tsukuba, Tsukuba, Ibaraki
关键词
D O I
10.1016/0022-2313(91)90102-2
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Intraband energy relaxation processes of hot carriers in CdSe were investigated by using the ultrafast pump-and-probe spectroscopy. Under the irradiation of the intense pump pulses of 2.12 eV, both excitons and bands in the absorption spectra are bleached. The bleached structure shows a non-thermalized hot carrier distribution when the pump is turned on, but shows thermalized hot carrier distribution immediately after the pump is turned off. The cooling of the thermalized hot carrier distribution was observed in the picosecond time domain.
引用
收藏
页码:189 / 192
页数:4
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