You-Hao Yang, Laura Bolling, Morgan A. Priolo and Jaime C. Grunlan Graphene: Super Gas Barrier and Selectivity of Graphene Oxide-Polymer Multilayer Thin Films (Adv. Mater. 4/2013) Advanced Materials 25
A flexible and transparent gas barrier remains a key challenge for high performance food and flexible electronics packaging. A transparent nanobrick wall of graphene oxide nanoplatelets and polyethylenimine (< 100 nm thick), deposited using the layer-by-layer assembly technique, reduces the oxygen permeability of PET film by orders of magnitude, as reported by Jaime C. Grunlan and co-workers on page 503. The cover image, by graphic designer David Feagan, conceptually highlights the ability of this nanobrick wall to block the passage of oxygen.
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