Interpretation of data obtained through the use of a version of the time-of-flight technique with a variable thickness of the generation zone |
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Authors: | A P Tyutnev R Sh Ikhsanov V S Saenko E D Pozhidaev |
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Institution: | 1.Moscow State Institute of Electronics and Mathematics,Moscow,Russia;2.Research Institute of Scientific Instruments,Lytkarino, Moscow oblast,Russia |
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Abstract: | The transient-current curves recorded for molecularly doped polycarbonate are theoretically studied with a version of the
time-of-flight technique with a variable thickness of the generation zone. A mixed-carrier-transport model was used, having
been proposed in the literature as an alternative to the viewpoint that treats a plateau as an artifact of the optical version
of the time-of-flight technique with surface carrier generation. A program for numerical calculation is developed for the
model, with the hole transport being dispersive in the generation layer and Gaussian in the rest of the polymer. The model
parameter values are selected according to results of independent measurements. It is shown that the mixed-transport model
does not explain the experimental observations. |
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Keywords: | |
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