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OO20.05 - Growth of Graphene Oxide 
April 25, 2014   2:30pm - 2:45pm

Reduced Graphene Oxide (RGO) has the advantage of an aqueous and industrial-scalable production route. However, the main problem that prevents the use of RGO in electronics is the high deviation in electrical resistivity between chips. The novel growth of RGO can bridge the gaps in-between existing flakes and thus reduce the electrical resistivity standard deviation from 80.5% to 16.5%. The average resistivity of the treated RGO of ~3.8nm thickness were 200Ω/square The study uses an atmospheric-pressure chemical vapour deposition (CVD) system with hydrogen and argon gas bubbling through ethanol before entering the furnace. With a treatment of 2 hours, 100% of the silicon dioxide substrate was covered with reduced GO from an initial 65% coverage. This technology could enable RGO to be used in practical electronic devices and molecular sensors.

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Keynote Address
Panel Discussion - Different Approaches to Commercializing Materials Research
Business Challenges to Starting a Materials-Based Company
Fred Kavli Distinguished Lectureship in Nanoscience
Application of In-situ X-ray Absorption, Emission and Powder Diffraction Studies in Nanomaterials Research - From the Design of an In-situ Experiment to Data Analysis