Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 13, Pages 9942-9945Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am502889w
Keywords
layer-by-layer assembly; oxygen barrier; thin films; reduced graphene oxide; sheet resistance
Funding
- United States Air Force Office of Scientific Research [FA9550-09-1-0609]
- National Science Foundation [CHE-1266323]
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Layer-by-layer assembly from aqueous solutions was used to construct multilayer thin films (<200 nm) comprising polyethylenimine and graphene oxide. Low-temperature (175 degrees C) thermal reduction of these films improved gas barrier properties (e.g., lower permeability than SiOx), even under high humidity conditions, and enhanced their electrical conductivity to 1750 S/m. The flexible nature of the aforementioned thin films, along with their excellent combination of transport properties, make them ideal candidates for use in a broad range of electronics and packaging applications.
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