4.6 Article

Modification of the carrier mobility of conducting PF-EP polymer by formation of their composites with thiophene derivatives

Journal

ORGANIC ELECTRONICS
Volume 78, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.orgel.2019.105586

Keywords

Molecular semiconductor; Structure-property relationship; Conducting polymer; Ambipolar charge transport; Thiophene derivative

Funding

  1. Russian Science Foundation (RSF) [17-73-30036]

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In the paper we present synthesis and characterization of new donor-acceptor thiophene derivatives (TDs) containing vinylbenzo[d]thiazole, vinylpyridine and 1H-imidazo[4,5-f] [1,10]phenanthroline residues. Using CELIV method, electron and hole mobility have been studied in the polymer layers based on poly [9,9-bis(6-diethoxyl-phosphorylhexyl)fluorine] (PF-EP) doped with the TDs. Polymer light-emitting diodes (PLEDs) containing newly synthesized polyfluorene (PF) as emitting layers and PF-EP/TD composites as electron transporting layers show higher brightness at 15V as compared with TD free PF-EP.

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