New bithiophene-containing electroluminescent polymer: Synthesis, characterization, optical and electrical properties
Source abstract
Abstract
A semi-conducting polymer, P-DSBT, based on distyryl-bithiophene π-conjugated sequences has been synthesized and characterized. The macromolecular material was soluble in volatile solvents and showed a good film quality; it exhibited an amorphous morphology with relatively high glass transition temperature. The absorption and photoluminescence properties of the polymer were studied in solution and as thin solid film, which showed an optical gap of 2.6 eV. The HOMO/LUMO energy levels were evaluated by cyclic voltammetry measurements and indicate a p-type semi-conducting material. The electrical properties of P-DSBT were investigated by the current-tension characteristic and modeled by the current space-charge-limited (SCLC) mechanism; charge carrier mobility higher than 10−6 cm2 V−1 s−1 was evaluated. A yellow-green electroluminescence was evidenced in a multilayer organic light-emitting diode with an [ITO/PEDOT:PPS/P-DSBT/BCP/Al] configuration.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Organic Light-Emitting Diodes Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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