Abstract
Based on the photocurrent (PC) action spectrum, the dark current characteristics, and the transient response of the PC the charge carrier generation in substituted laddertype poly-(p-phenylene) (LPPP) is interpreted. We find that the transport of charge carriers in LPPP is determined by shallow traps located 0.1 and 0.4 eV above the conduction band edge. The ionized traps act as dissociation centers for photoexcited excitons. After pulsed photoexcitation the PC decays with 140 ps, the charge carriers having a mean free path within a single polymer chain. The intensity of the onset in the PC action spectrum gives evidence of mobile charged excitations above the valence band edge.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
