Space-charge field formation in poly(N-vinylcarbazole)-based photorefractive composites

George G. Malliaras; Victor V. Krasnikov; Henk J. Bolink; Georges Hadziioannou

doi:10.1117/12.254247

15 October 1996 Space-charge field formation in poly(N-vinylcarbazole)-based photorefractive composites

George G. Malliaras, Victor V. Krasnikov, Henk J. Bolink, Georges Hadziioannou

Proceedings Volume 2850, Organic Photorefractive Materials and Xerographic Photoreceptors; (1996) https://doi.org/10.1117/12.254247
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

In this paper we discuss the space charge field formation process in poly(N-vinylcarbazole)-based photorefractive polymers and more specifically its relation to charge transport. In the steady state, the experimental results are found to be in qualitative agreement with the predictions of the standard model. A large saturation field, that corresponds to a trap density of the order of 5 multiplied by 10¹⁶ cm^-3 is estimated. In the transient regime however, the space charge field departs from its expected behavior: this is shown to arise due to the influence of disorder on the charge transport process.

Citation Download Citation

George G. Malliaras, Victor V. Krasnikov, Henk J. Bolink, and Georges Hadziioannou "Space-charge field formation in poly(N-vinylcarbazole)-based photorefractive composites", Proc. SPIE 2850, Organic Photorefractive Materials and Xerographic Photoreceptors, (15 October 1996); https://doi.org/10.1117/12.254247

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