Photogeneration of charge carriers in amorphous selenium |
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Authors: | JC Knights EA Davis |
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Institution: | Cavendish Laboratory, Free School Lane, Cambridge, England |
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Abstract: | A model is proposed to explain the outstanding features of the free-carrier photogeneration process in amorphous selenium. The excitation of an electron-hole pair and the subsequent separation or recombination are considered as a function of photon energy, applied electric field and temperature. The results of the model are compared in detail with new experimental data and also with published results from a number of sources. |
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