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Fluorene-based hydrazones and enamines as holetransporting materials for electrophotography

A. KRUZINAUSKIENE1, A. MATOLIUKSTYTE1, A. MICHALEVICIUTE1, J. V. GRAZULEVICIUS1,* , J. JANKAUSKAS2

Affiliation

  1. Department of Oraganic Technology, Kaunas University of Technology, Radvilenu pl. 19, LT-50254, Kaunas, Lithuania
  2. Department of Solid State Electronics, Vilnius University, Sauletekio al. 9, LT-10222, Vilnius, Lithuania

Abstract

Fluorene-based hydrazones and enamines have been synthesized and characterized by various techniques including thermogravimetric analysis, differential scanning calorimetry, UV spectrometry, electron photoemission and time-of-flight techniques. The electron photoemission spectra of the layers of the synthesized materials revealed the ionization potentials of 5.45-6.1 eV. Room temperature hole-drift mobility of 9-(9,9-dihexylfluoren-2-yl)carbazole-3-yl-carbaldehyde N-methyl-Nphenylhydrazone and 2-di(2,2-diphenylvinyl)amino-9,9-dihexylfluorene molecularly dispersed in bisphenol Z polycarbonate exceed 10-6 cm2 V-1 s-1 at moderate electric fields..

Keywords

Fluorene; Hydrazone; Enamine; Ionization potential; Hole-drift mobility.

Submitted at: March 7, 2007
Accepted at: Sept. 18, 2007

Citation

A. KRUZINAUSKIENE, A. MATOLIUKSTYTE, A. MICHALEVICIUTE, J. V. GRAZULEVICIUS, J. JANKAUSKAS, Fluorene-based hydrazones and enamines as holetransporting materials for electrophotography, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 9, pp. 2857-2862 (2007)