4.8 Article

Al2O3/ZrO2 Nanolaminates as Ultrahigh Gas-Diffusion Barriers-A Strategy for Reliable Encapsulation of Organic Electronics

Journal

ADVANCED MATERIALS
Volume 21, Issue 18, Pages 1845-+

Publisher

WILEY-BLACKWELL
DOI: 10.1002/adma.200803440

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Funding

  1. German Federal Ministry for Education and Research BMBF [FKZ 13N9152, 01BD351]
  2. Deutsche Forschungsgerneinschaft (DFG)

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Highly efficient gas-diffusion barriers based on nanolaminates of alternating Al2O3 and ZrO2 layers grown at 80 degrees C by atomic-layer deposition are presented. Ultralow water-vapor permeation rates are reported, and a dramatic reduction of statistical defects on larger areas was found compared to single Al2O3 layers. This study provides a concept for the encapsulation of organic optoelectronic devices.

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