Large scale metal-free synthesis of graphene on sapphire and transfer-free device fabrication
Open Access
- 29 March 2012
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Nanoscale
- Vol. 4 (10), 3050-3054
- https://doi.org/10.1039/c2nr30330b
Abstract
Metal catalyst-free growth of large scale single layer graphene film on a sapphire substrate by a chemical vapor deposition (CVD) process at 950 °C is demonstrated. A top-gated graphene field effect transistor (FET) device is successfully fabricated without any transfer process. The detailed growth process is investigated by the atomic force microscopy (AFM) studies.Keywords
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