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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...
Large‐scale, uniform, vertically standing graphene film with atomically thin edges (shown in the magnifying glass in the back cover image) is controllably synthesized using methane in a microwave‐plasma chemical vapor deposition system. This film shows excellent field‐emission properties, as demonstrated by Hong‐Jun Gao, Yunqi Liu, and co‐workers on page 250. In the lower part of the image, a plane...
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