Determination of the trap distribution in polycrystalline coronene layers

The d.c. electrical conductivity of polycrystalline coronene layers was investigated. The shape of the current-voltage curves indicates that, in the layers investigated, the space-charge-limited currents are observed. From these characteristics three discrete trap levels in the coronene layers were...

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Bibliographic Details
Published in:Materials research bulletin 1984-01, Vol.19 (4), p.531-534
Main Authors: Mycielski, W, Ziółkowska-Pawlak, B
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity phenomena in semiconductors and insulators
Electronic transport in condensed matter
Exact sciences and technology
High-field and nonlinear effects
Physics
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Summary:The d.c. electrical conductivity of polycrystalline coronene layers was investigated. The shape of the current-voltage curves indicates that, in the layers investigated, the space-charge-limited currents are observed. From these characteristics three discrete trap levels in the coronene layers were found: 0.67, 0.72 and 0.81 eV. The total density of localized states is of the order of 10 16 cm −3.
ISSN:0025-5408
1873-4227
DOI:10.1016/0025-5408(84)90115-6