학술논문
Lifetime of excess electrons in Cu-Zn-Sn-Se powders.
Document Type
Article
Author
Source
Subject
*COPPER powder
*MICROWAVES
*PHOTOCONDUCTIVITY
*ANNIHILATION reactions
*CHARGE carriers
*ELECTRONS
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Language
ISSN
1063-7826
Abstract
The method of time-resolved microwave photoconductivity at a frequency of 36 GHz in the range of temperatures of 200-300 K is used to study the kinetics of the annihilation of charge carriers in Cu-Zn-Sn-Se powders obtained by the solid-phase method of synthesis in cells. The lifetime of excess electrons at room temperature is found to be shorter than 5 ns. The activation energy for the process of recombination amounted to E ~ 0.054 eV. [ABSTRACT FROM AUTHOR]