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Electrical Fatigue in Organic Layered Photoconductors

Published online by Cambridge University Press:  15 February 2011

J. Pacansky  and
R. J. Waltman
J. Pacansky
Affiliation:
IBM Almaden Research Center, San Jose, CA 95120-6099
R. J. Waltman
Affiliation:
IBM Almaden Research Center, San Jose, CA 95120-6099
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Abstract

The relevance of photochemistry in the electrical fatigue of organic layered photoconductors is discussed. A hole transport molecule DEH undergoes a photocyclization reaction in the charge transport layer to an indazole derivative, causing residual surface charges to persist during light decay. A dye chlorodiane blue, in the presence of DEH, initiates photochemistry at the hole transport/carrier generation interface resulting in chemical consumption of the dye. An activation energy of 15 – 20 kcal/mol is reported for the dye bleaching reaction.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 277: Symposium V – Macromolecular Host-Guest Complexes: Optical, Optoelectronic, and Photorefractive Properties and Applications , 1992 , 27
Copyright
Copyright © Materials Research Society 1992

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References

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