Abstract:The main influence on the transient process is shown to be exerted by the initial trapped space charge entering the dielectric before the onset of injection by carrier diffusion. This charge leads to a sharp decrease of the transient current and to a superlinear dependence of its value on the applied voltage in comparison with the case without diffusion. Approximate analytical solutions for the initial charge distribution and the transient current behavior are derived. They correspond to the results of an exac… Show more
“…[1,2,13,14]. Figure 3 presents results of numerical calculations performed on the bases of (2) to (6), (9), (10) and including either (1) without diffusion current, or (11) with diffusion current.…”
Section: The Influence Of Charge Carrier Diffusion On Pecmentioning
This work concerns the influence on photoenhanced currents of the diffusion of excitons as well as of charge carriers. It is shown that both kinds of diffusion are important for photoen. hanced currents in the case of thin samples. Experimental results obtained on tetracene layers confirm this conclusion.
“…[1,2,13,14]. Figure 3 presents results of numerical calculations performed on the bases of (2) to (6), (9), (10) and including either (1) without diffusion current, or (11) with diffusion current.…”
Section: The Influence Of Charge Carrier Diffusion On Pecmentioning
This work concerns the influence on photoenhanced currents of the diffusion of excitons as well as of charge carriers. It is shown that both kinds of diffusion are important for photoen. hanced currents in the case of thin samples. Experimental results obtained on tetracene layers confirm this conclusion.
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