ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Methods of Electron Structure Spectroscopy in Molecular Organic Solids Based on Transient Photoconductivity with Space Charge

R. Handlíř, M. Weiter, and F. Schauer

Faculty of Chemistry, Technical University, CZ-637 00 Brno

 

Abstract: Space-charge-limited currents (SCLC) in both steady-state (S-SCLC) and transient (T-SCLC) regimes may be with advantage used as tools for the study of the density of localized states (DOS) in organic molecular semiconductors. The only prerequisite for the experimental observation of SCLC is a reasonably long Maxwell relaxation time, SCLC are readily observed in high resistivity materials with mobile carriers.This paper presents the new possibilities of the T-SCLC method for elucidation of the DOS in organic molecular solids with practical examples of modelling, reconstruction of post-transit data and its application for amorphous hydrogenated silicon and poly(methylphenylsilylene).

Full paper in Portable Document Format: 504a199.pdf

 

Chemical Papers 50 (4) 199–205 (1996)

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