Using the nonsteady-state photo-EMF technique for verification of Einstein relation in PVK based photoconductive polymers

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Using the nonsteady-state photo-EMF technique for verification of Einstein relation in PVK based photoconductive polymers

Mansurova, S. / Stepanov, S. / Garcia, R.R. / Pernas, V.C. / Meerhotz, K. / Gallego, F. / Mecher, E. / Bittner, R.

In this paper, we propose relatively simple experimental procedure for measuring the diffusion coefficient D and drift mobility in a single experimental configuration, which can be used for verification of the Einstein relation in amorphous photoconductors. Our method is based on utilisation of the nonsteady state photo-EMF effect excited in the bulk of a photoconductor by a vibrating light interference pattern. Experimental results obtained in a photoconductive polyvinylcarbazole-based polymer in reflectance configuration are presented. In our analysis we consider a monopolar photoconductor with arbitrary structure of trapping centres and no saturation of these centres during formation of the space charge field.

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Dokumentinformationen

Titel :

Using the nonsteady-state photo-EMF technique for verification of Einstein relation in PVK based photoconductive polymers

Beteiligte:

Mansurova, S. (Autor:in) / Stepanov, S. (Autor:in) / Garcia, R.R. (Autor:in) / Pernas, V.C. (Autor:in) / Meerhotz, K. (Autor:in) / Gallego, F. (Autor:in) / Mecher, E. (Autor:in) / Bittner, R. (Autor:in)

Erschienen in:

2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003) (IEEE Cat. No.03TH8666) ; 302

Erscheinungsdatum :

2003-01-01

Format / Umfang :

80360 byte

ISBN :

0-7803-7734-6

DOI :

https://doi.org/10.1109/CLEOE.2003.1312363

Medientyp :

Aufsatz (Konferenz)