Measurement of drift mobilities in amorphous organic films using the Time of Flight method

Salvatore Gambino; Pasquale Cusumano; Claudio Cali

doi:10.1117/12.544866

8 September 2004 Measurement of drift mobilities in amorphous organic films using the Time of Flight method

Salvatore Gambino, Pasquale Cusumano, Claudio Cali

Proceedings Volume 5464, Organic Optoelectronics and Photonics; (2004) https://doi.org/10.1117/12.544866
Event: Photonics Europe, 2004, Strasbourg, France

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.

Citation Download Citation

Salvatore Gambino, Pasquale Cusumano, and Claudio Cali "Measurement of drift mobilities in amorphous organic films using the Time of Flight method", Proc. SPIE 5464, Organic Optoelectronics and Photonics, (8 September 2004); https://doi.org/10.1117/12.544866

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