We apply the Time of Flight (TOF) technique to study carrier mobility in N, N'-diphenyl-N,N'-bis(3-methylphenyl) -1,1-biphenyl-4,4'-diamine (TPD) and tris(8-hydroxyquinolato) aluminium (Alq3). These materials are two examples of, respectively, hole and electron transporting molecular materials. Measurements are performed in free air or under vacuum varying the experimental parameters such as laser pulse intensity and single shot irradiation. We observe a transition from dispersive to non dispersive transport changing the experimental conditions.
GAMBINO, S., CUSUMANO, P., CALI', C. (2004). Measurement of drift mobilities in amorphous organic films using the Time of Flight method. In M.M.H.H. P.L. Heremans (a cura di), Organic Optoelectronics and Photonics, Proceedings of SPIE Vol. 5464 (pp. 280-291) [10.1117/12.544866].
Measurement of drift mobilities in amorphous organic films using the Time of Flight method
GAMBINO, Salvatore;CUSUMANO, Pasquale;CALI', Claudio
2004-01-01
Abstract
We apply the Time of Flight (TOF) technique to study carrier mobility in N, N'-diphenyl-N,N'-bis(3-methylphenyl) -1,1-biphenyl-4,4'-diamine (TPD) and tris(8-hydroxyquinolato) aluminium (Alq3). These materials are two examples of, respectively, hole and electron transporting molecular materials. Measurements are performed in free air or under vacuum varying the experimental parameters such as laser pulse intensity and single shot irradiation. We observe a transition from dispersive to non dispersive transport changing the experimental conditions.
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