Electron mobility of Alq3 was measured by transient electroluminescence experiments using bilayer organic light emitting diodes (OLED). A rectangular voltage pulse was applied to an OLED using a pulse generator. A nitrogen pulsed laser was used to generate photocarriers and a direct current power supply was used to detect the electron photocurrent. Electron mobility extracted from time delay was independent of the thickness of the Alq3 layer and was in excellent agreement with optical time of flight measurements.
Scopus Subject Areas
- Physics and Astronomy(all)