Charge Injection and Transport in Disordered Organic Solids
In the development of photoreceptors for use in commercial imaging systems, such as electrophotography, an important practical requirement is the ability to fabricate large area, defect-free films capable of maintaining their mechanical integrity under a wide range of operational conditions. Coupled with this are the stringent specifications regarding the photoelectronic properties of the material if it is to prove acceptable for incorporation into a particular device. A very successful class of materials which fulfill many of these requirements are the inorganic amorphous chalcogenides. In the realm of organic solids the analogous class of materials are polymeric solids since large area polymeric films can be readily made from solution. Consequently there is currently great interest in the investigation of the photoelectronic properties of polymers and the generic state of which they are a particularly important class, namely the amorphous organic solid state.
KeywordsDischarge Rate Charge Injection Transport State Amorphous Selenium Carrier Velocity
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