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Utilisation des nanoparticules pour l’amélioration des performances des sources organiques (OLED)

Utilisation des nanoparticules pour l’amélioration des performances des sources organiques (OLED). AYENEW Getachew. Simulation (PWE) To have plot of (radius/period) vs refractive index contrast Experiment OLEDs and Nanoparticles  for light extraction. Bandgap. Δ n. Radius/period.

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Utilisation des nanoparticules pour l’amélioration des performances des sources organiques (OLED)

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  1. Utilisation des nanoparticules pour l’amélioration des performances des sources organiques (OLED) AYENEW Getachew

  2. Simulation (PWE) • To have plot of (radius/period) vs refractive index contrast • Experiment • OLEDs and Nanoparticlesfor light extraction

  3. Bandgap Δn Radius/period

  4. Simulation • Radius scan for low refractive index material (TiO2,n=2.5)

  5. Experiment: Objective: OLED + Nanoparticles-light extraction • Nanoparticledepostion on ITO coatedsubstrate • substrat cleaning (solvents +UV ozone) • dipcoating • Refrencesubstrates • substrat cleaning (solvents +UV ozone)

  6. OLED Deposition ( with Mahmoud) • ITO/CUPC/TPD/Alq3/Al • Characterizaion

  7. Thank you

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