A bipolar space charge problem for solids including a secondary electron emission

摘要

In this paper a new mathematical model for a space charge transport through a solid placed between the two electrodes is presented. Using new equations for allowed electron-hole transitions, the effect of the light on the electric field distribution and on the shape of current - voltage characteristic is determined. For a space charge distribution some new singular solutions are obtained. Also, some new shapes of current - voltage characteristic with negative resistance are determined. In this paper it is found that the system can act as an n-p-n or p-n or n-n blocking diode.