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Shows increased electroluminescence in OLEDs using Alq3, highlighting design potential for better light emission.
The polarized photoluminescence spectra of TPD organic thin films and electroluminescence spectra of OLEDs with ITO/TPD/Alq3/Al configuration were studied.It has been shown that the linear polarization degrees of photoluminescence of TPD thin films and electroluminescence from the fabricated OLED can be increased by about 3 and 69 times, respectively, using a method of oblique-angle deposition.Such an enhancement is reached due to a more ordered molecular alignment in the organic thin films.The obtained results can be fruitful for designing highly efficient organic light-emitting diodes with optimized parameters.
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Kapustianyk et al. (2026) studied this question.
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