Phenoxazine and N-phenyl-1-naphtylamine-based enamines as hole-transporting glass-forming materials

Add time:08/04/2019    Source:sciencedirect.com

New aromatic enamines were synthesized by condensation of the commercially available phenoxazine and N-phenyl-1-naphtylamine with 2,2-diphenylacetaldehyde or 2-phenylpropionaldehyde. The materials were examined by various techniques including differential scanning calorimetry, UV and fluorescence spectrometry, electron photoemission and time of flight techniques. The electron photoemission spectra of the layers of the amorphous materials showed the ionization potentials of 5.42–5.61 eV. Hole drift mobilities in the layers of 33–50% solid solutions of the derivatives in bisphenol Z polycarbonate range from 10−5 to 3.4 × 10−4 cm2/V s at high electric fields.

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