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Lifetime improvement of organic light-emitting diodes with a butterfly wing's scale-like nanostructure as a flexible encapsulation layer |
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| Affiliation: | 1. Laboratorio de espectrometría de masas, Instituto de Química de San Luis, Centro Científico Tecnológico San Luis, Ejército de los eAndes No. 950, Bloque 3, PB. Ciudad de San Luis, 5700, Argentina;2. Comisión Nacional de Energía Atómica (CNEA), Gerencia Química, Av. Libertador, San Martin, Provincia de Buenos Aires CPB1650KNA, Argentina;3. Área de Química Analítica, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, Ciudad de San Luis 5700, Argentina |
| Abstract: | Biomimetic nanostructures like butterfly wing's scale were fabricated with an anodic aluminum oxide (AAO) nanoimprint lithography technique. This bio-inspiration nanostructure exhibits an intrinsic hydrophobic property and thus was applied as a flexible encapsulation layer in organic light-emitting diodes (OLEDs) to improve device's lifetime. A ∼80% enhancement on lifetime was obtained with simply imprinting the biomimetic nanostructures onto the flexible substrates. Our work provides a simple encapsulation approach for OLEDs, especially for flexible OLEDs. |
| Keywords: | Biomimetic Lifetime Organic light-emitting diode Butterfly wing's scale |
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