In a film stack of bathocuproine (BCP) (electron transport layer), fac -tris(2-phenylpyridyl)iridium(III) [Ir(ppy) 3] blended in 4,4′-bis(N -carbazolyl)biphenyl (CBP) (light-emitting layer), and 4,4′,4′-tris(N -carbazolyl)triphenylamine (TCTA) (hole transport layer), the BCP and Ir(ppy) 3:CBP layers rapidly interdiffuse by anomalous Fickian diffusion. Diffusion leads to a decrease of up to 33% in the solid-state emission but no change in color. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
CITATION STYLE
Smith, A. R. G., Lee, K. H., Nelson, A., James, M., Burn, P. L., & Gentle, I. R. (2012). Diffusion - The hidden menace in organic optoelectronic devices. Advanced Materials, 24(6), 822–826. https://doi.org/10.1002/adma.201104029
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