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Open AccessArticle

Organometallic Coatings for Electroluminescence Applications

National Institute of Materials Physics, Magurele 077125, Romania
Author to whom correspondence should be addressed.
Coatings 2020, 10(3), 277;
Received: 22 January 2020 / Revised: 10 March 2020 / Accepted: 14 March 2020 / Published: 17 March 2020
(This article belongs to the Special Issue Thin Film Coatings for Multifunctional Applications)
Organometallic compounds embedded in thin films are widely used for Organic Light-Emitting Diodes (OLED), but their functionalities are strongly correlated with the intrinsic properties of those films. Controlling the concentration of the organometallics in the active layers influences the OLED performances through the aggregation processes. These aggregations could lead to crystallization processes that significantly modify the efficiency of light emission in the case of electroluminescent devices. For functional devices with organometallic-based thin films, some improvements, such as the optimization of the charge injection, are needed to increase the light output. One dual emitter IrQ(ppy)2 organometallic compound was chosen for the aggregation correlations from a multitude of macromolecular organometallics that exist on the market for OLED applications. The choice of additional layers like conductive polymers or small molecules as host for the active layer may significantly influence the performances of the OLED based on the IrQ(ppy)2 organometallic compound. The use of the CBP small molecule layer may lead to an increase in the electroluminescence versus the applied voltage. View Full-Text
Keywords: organometallics; thin films; coatings; OLED; electroluminescence; dual emission organometallics; thin films; coatings; OLED; electroluminescence; dual emission
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MDPI and ACS Style

Polosan, S.; Ciobotaru, I.C.; Ciobotaru, C.C. Organometallic Coatings for Electroluminescence Applications. Coatings 2020, 10, 277.

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