期刊
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
卷 28, 期 -, 页码 84-88出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2014.06.038
关键词
Poole-Frenkel (PF) effect; Current conduction mechanisms; Leakage current; Organic devices
In this study three different organic semiconductors were used in the fabrication of ITO/ PEDOT:PSS/Polymer:PCBM/LiF/Al configuration. Reverse current density-voltage (J(r)-V) measurements of the samples were investigated to define the reverse-bias leakage current mechanisms on benzotriazole and benzothiadiazole based organic devices. Our results indicate that the J(r)-V plot behaviors are given by linear dependence between In (J(r)) and V-1/(2), where J(r) is the reverse current density, and V is the applied voltage. This behavior is well known as the Poole-Frenkel (PF) effect where it is found to be dominating in the reverse-bias leakage current. (C) 2014 Elsevier Ltd. All rights reserved.
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