期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 2, 期 6, 页码 537-542出版社
AMER CHEMICAL SOC
DOI: 10.1021/jz200087w
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类别
资金
- NSF [CMMI-0900509]
- DOE [DE-EE0003208]
- We Energies
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [0900509] Funding Source: National Science Foundation
Graphene has attracted growing interest in the past few years. Growing vertically oriented graphene sheets with a designed pattern is practically attractive for device applications based on graphene. Here we report a patterned synthesis of vertical graphene nanosheets using plasma-enhanced chemical vapor deposition. Both experimental and modeling results suggest that the electric field distribution above the substrate material plays a key role in the graphene coverage. Vertical graphene patterns can thus be designed through artificially designing the surface electric field distribution. A field-effect transistor (FET) sensor device has been demonstrated for detection of low-concentration gases using vertically patterned graphene sheets bridging a metal electrode gap.
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