Stabilization of the work function of indium tin oxide using organic surface modifiers in organic light-emitting diodesReportar como inadecuado


Stabilization of the work function of indium tin oxide using organic surface modifiers in organic light-emitting diodes


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We herein report on the performance and improved stability of organic light-emitting diodes OLEDs in which the transparent indium tin oxide ITO electrode is modified using organic surface modifiers based on phosphonic acid anchoring groups. In contrast to air plasma treatment, a commonly used technique to increase the work function of ITO, treatment of the ITO surface with a partially fluorinated phosphonic acid results in a comparable change in work function but with a higher stability over time. The resultant lifetime of OLEDs also increased when this phosphonic acid modified ITO was used.



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Autor: Sharma, Asha - Kippelen, Bernard - Hotchkiss, Peter J. - Marder, Seth R. - -

Fuente: https://smartech.gatech.edu/







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