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Controlled synthesis of large-scale, uniform, vertically standing graphene for high-performance field emitters
Lili Jiang1, Tianzhong Yang, Fei Liu
1Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, P. R. China.
Advanced Materials (Deerfield Beach, Fla.)
|November 9, 2012
Abstract:
Large-scale, uniform, vertically standing graphene with atomically thin edges are controllably synthesized on copper foil using a microwave-plasma chemical vapor deposition system. A growth mechanism for this system is proposed. This film shows excellent field-emission properties, with low turn-on field of 1.3 V μm(-1) , low threshold field of 3.0 V μm(-1) and a large field-enhancement factor more than 10 000.
