|Author||Nishi, Shohei ♦ Taguchi, Dai ♦ Manaka, Takaaki ♦ Iwamoto, Mitsumasa|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ♦ CARRIERS ♦ CURRENTS ♦ ELECTRIC CONDUCTIVITY ♦ ELECTRIC FIELDS ♦ ELECTRIC POTENTIAL ♦ ELECTRODES ♦ ELECTROLUMINESCENCE ♦ ELECTRON BEAM INJECTION ♦ FLUORINE ♦ HARMONIC GENERATION ♦ HOLES ♦ INDIUM ♦ LAYERS ♦ PENTACENE ♦ POLYMERS ♦ SUPPORTS ♦ ZINC OXIDES|
|Abstract||By using electric-field-induced optical second-harmonic generation measurement coupled with the conventional current-voltage (I-V) measurement, we studied the carrier transport of organic double-layer diodes with a Au/pentacene/fluorine polymer (FP)/indium zinc oxide (IZO) structure. The rectifying I-V characteristics were converted into the I-E characteristics of the FP and pentacene layers. Results suggest a model in which Schottky-type electron injection from the IZO electrode to the FP layer governs the forward electrical conduction (V > 0), where the space charge electric field produced in the FP layer by accumulated holes at the pentacene/FP interface makes a significant contribution. On the other hand, Schottky-type injection by accumulated interface electrons from the pentacene layer to the FP layer governs the backward electrical conduction (V < 0). The electroluminescence generated from the pentacene layer in the region V > 0 verifies the electron transport across the FP layer, and supports the above suggested model.|
|Learning Resource Type||Article|
|Publisher Place||United States|
|Journal||Journal of Applied Physics|
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