Thinning vertical graphenes, tuning electrical response: from semiconducting to metallic | Zendy

Dong Han Seo | Zendy; Shailesh Kumar | Zendy; Kostya Ostrikov | Zendy

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Thinning vertical graphenes, tuning electrical response: from semiconducting to metallic

Author(s) -

Dong Han Seo,

Shailesh Kumar,

Kostya Ostrikov

Publication year - 2011

Publication title -

journal of materials chemistry

Language(s) - English

Resource type - Journals

eISSN - 1364-5501

pISSN - 0959-9428

DOI - 10.1039/c1jm13835a

Subject(s) - graphene , materials science , metal , enhanced data rates for gsm evolution , layer (electronics) , optoelectronics , nanotechnology , graphene nanoribbons , composite material , computer science , metallurgy , telecommunications

A simple, uniquely plasma-enabled and environment-friendly process to reduce the thickness of vertically standing graphenes to only 4–5 graphene layers and arranging them in dense, ultra-large surface area, ultra-open-edge-length, self-organized and interconnected networks is demonstrated. The approach for the ultimate thickness reduction to 1–2 graphene layers is also proposed. The vertical graphene networks are optically transparent and show tunable electric properties from semiconducting to semi-metallic and metallic at room and near-room temperature, thus recovering semi-metallic properties of a single-layer graphene

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