Low cost UV-Ozone reactor mounted for treatment of electrode anodes used in P-OLEDs devices

Abstract Low cost UV-Ozone reactor using a high pressure mercury vapor lamp of 80 watts without outer bulb showed good results for treatment of ITO films used as anode electrode in the assembly of P-OLED (polymer-organic light emitting diode) devices. This study revealed 20 minutes as effective treatment time and it was verified also that the effect of UV-Ozone treatment loses its efficiency as the elapsed time increases. It was analyzed with measurements of contact angle using a droplet of PEDOT:PSS polymer. P-OLEDs devices were mounted with architecture: ITO/PEDOT:PSS/PVK/Alq3/Al. The PVK polymer was diluted in organic solvent of 1,2,4-trichlorobenzene with concentrations of: 5, 10, 20 and 30 mg/mL. Results revealed better performance of P-OLED devices for concentration of 5 mg/mL resulting in lower threshold voltage, elevation of electrical current and similar diode curve.

Bibliographic Details

Main Authors:	Santos,Emerson Roberto, Moraes,José Igor Balbino de, Takahashi,Christine Miwa, Sonnenberg,Victor, Burini,Elvo Calixto, Yoshida,Satoru, Takimoto,Herick Garcia, Onmori,Roberto Koji, Hui,Wang Shu
Format:	Digital revista
Language:	English
Published:	Associação Brasileira de Polímeros 2016
Online Access:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282016000300236
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