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Open AccessArticle

1,3-Bisdiphenylethenyl-substituted Carbazolyl Derivatives as Charge Transporting Materials

1
Faculty of Chemical Technology, Kaunas University of Technology, Radvilenu pl. 19, Kaunas LT-50254, Lithuania
2
Department of Solid State Electronics, Vilnius University, Sauletekio 9-III, Vilnius LT-10222, Lithuania
*
Author to whom correspondence should be addressed.
Molecules 2012, 17(12), 14846-14857; https://doi.org/10.3390/molecules171214846
Received: 19 November 2012 / Revised: 9 December 2012 / Accepted: 11 December 2012 / Published: 13 December 2012
(This article belongs to the Section Organic Chemistry)
Synthesis of 1,3-diphenylethenylcarbazolyl-based charge transporting materials involving electron donating hydrazone moieties and an electron withdrawing 1,3-indandione moiety is reported. The obtained materials were examined by various techniques, including differential scanning calorimetry, UV-Vis spectroscopy, xerographic time of flight technique and the electron photoemission in air method. Photoemission spectra of the amorphous films of the investigated compounds showed ionization potentials of 5.54–5.90 eV. The hole drift mobility was measured by the xerographic time of flight technique. The highest hole drift mobility, exceeding 10−5 cm2/V·s at 6.4 × 105 V/cm electric field, was observed for the 1,3-diphenylethenylcarbazolyl derivative molecularly doped with a N,N-diphenylhydrazone moiety in the polymeric host bisphenol-Z polycarbonate (PC-Z). View Full-Text
Keywords: carbazole; hydrazone; 1,3-indandione; ionization potential; charge carrier mobility carbazole; hydrazone; 1,3-indandione; ionization potential; charge carrier mobility
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MDPI and ACS Style

Bubniene, G.; Daskeviciene, M.; Pukalskas, A.; Jankauskas, V.; Getautis, V. 1,3-Bisdiphenylethenyl-substituted Carbazolyl Derivatives as Charge Transporting Materials. Molecules 2012, 17, 14846-14857.

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