Fabrication of electroluminescence device for PEDOT : PSS / ploy TPD / Eu2O3 nanoparticles junction

The nanoparticles light emitting diode (NPs-LED) fabricated for organic and inorganic semiconductors to achieve electroluminescence (EL). The nanoparticles of Europium oxide(Eu2O3) were incorporated into the thin film layers of the organic compounds, poly(3,4,- ethylene dioxythiophene)/polystyrene s...

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Veröffentlicht in:Iraqi Journal of Physics : a Refereed Journal Issued. 2019, Vol.17 (43), p.33-40
Hauptverfasser: Muhammad, Husayn Riyad, Ibrahim, Umar Adnan
Format: Artikel
Sprache:ara ; eng
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Zusammenfassung:The nanoparticles light emitting diode (NPs-LED) fabricated for organic and inorganic semiconductors to achieve electroluminescence (EL). The nanoparticles of Europium oxide(Eu2O3) were incorporated into the thin film layers of the organic compounds, poly(3,4,- ethylene dioxythiophene)/polystyrene sulfonic acid (PEDOT:PSS), N,N’–diphenyl-N,N’ –bis(3-methylphenyl)-1,1’-biphenyl 4,4’- diamine (poly TPD) and polymethyl methacrylate (PMMA), by the spin coating and with the help of the phase segregation method. The EL of NPs-LED, was study for the different bias voltages (20, 25, 30) V at the room temperature, from depending on the CIE 1931 color spaces and it was generated the white light at 20V, the orange light generation at 25Vand the red light at 30 V. That by benefit from transition between deep levels in energy gap for Eu2O3 nanoparticles (surface state) and magnetic dipole states for Eu+ (5D0-3 and5L6 to 7F0-6). The Current – Voltage (I-V) Behavior demonstrate that the current comparative with the voltage was good and the knee voltage was 5 V. The EL spectrum shows a broad band emission, the range from EL 485-700 nm. Finally, the range of correlated color temperature (CCT) it was between (1200 to 4000).
ISSN:2070-4003
DOI:10.20723/ijp.17.43.33-40