Synthesis and Robust Properties Evaluation of PPY-CuO Nanocomposite for Organic Light Emitting Diodes as Electron Transport Layer Material

The PPY–CuO nanocomposite was synthesized by chemically oxidatively polymerizing pyrrole monomer. The FESEM, TEM and XRD examination revealed the structural properties of the CuO, PPY and PPY–CuO nanocomposites. Increased radiative charge carrier recombination was observed in the PPY–CuO nanocomposite. As resistivity dropped, the recombination in radiative form increased for the PPY–CuO nanocomposite. When compared to the original CuO, the PPY–CuO nanocomposite was shown to have an improved current density of 11.36 A/cm². It was discovered that the PPY–CuO nanocomposite had higher rates of radiative recombination, improved conductivity and electron mobility, and higher luminescence in the visible spectrum, indicating that it could be used as an electron transport layer (ETL) material in organic light emitting diodes (OLEDs).