The electrodeposition of multilayers on a polymeric substrate in Flexible Organic Light Emitting Diode (OLED)

Andre F. S. Guedes; Vilmar P. Guedes; Simone Tartari; Idaulo Jose Cunha

doi:10.1117/12.2230670

23 September 2016 The electrodeposition of multilayers on a polymeric substrate in Flexible Organic Light Emitting Diode (OLED)

Andre F. S. Guedes, Vilmar P. Guedes, Simone Tartari, Idaulo Jose Cunha

Author Affiliations +

Proceedings Volume 9941, Organic Light Emitting Materials and Devices XX; 99411L (2016) https://doi.org/10.1117/12.2230670
Event: SPIE Organic Photonics + Electronics, 2016, San Diego, California, United States

Abstract

The development of Organic Light Emitting Diode (OLED), using an optically transparent substrate material and organic semiconductor materials, has been widely utilized by the electronic industry when producing new technological products. The OLED are the base Poly(3,4-ethylenedioxythiophene), PEDOT, Poly(p-phenylenevinylene), PPV, and Polyaniline, PANI, were deposited in Indium Tin Oxide, ITO, and characterized by UV-Visible Spectroscopy (UV-Vis), Optical Parameters (OP) and Scanning Electron Microscopy (SEM). In addition, the thin film obtained by the deposition of PANI, prepared in perchloric acid solution, was identified through PANI-X1. The result obtained by UV-Vis has demonstrated that the PET/ITO/PEDOT/PPV/PANI-X1/Al layer does not have displacement of absorption for wavelengths greaters after spin-coating and electrodeposition. Thus, the spectral irradiance of the OLED informed the irradiance of 100 W/m², and this result, compared with the standard Light Emitting Diode (LED), has indicated that the OLED has higher irradiance. After 1200 hours of electrical OLED tests, the appearance of nanoparticles visible for images by SEM, to the migration process of organic semiconductor materials, was present, then. Still, similar to the phenomenon of electromigration observed in connections and interconnections of microelectronic devices, the results have revealed a new mechanism of migration, which raises the passage of electric current in OLED.

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Andre F. S. Guedes, Vilmar P. Guedes, Simone Tartari, and Idaulo Jose Cunha "The electrodeposition of multilayers on a polymeric substrate in Flexible Organic Light Emitting Diode (OLED)", Proc. SPIE 9941, Organic Light Emitting Materials and Devices XX, 99411L (23 September 2016); https://doi.org/10.1117/12.2230670

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KEYWORDS

Organic light emitting diodes

Polymers

Scanning electron microscopy

Organic semiconductors

Light emitting diodes

Chemical species

Nanoparticles

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