期刊
ACS NANO
卷 4, 期 1, 页码 524-528出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn901496p
关键词
graphene; solution processed; large area deposition; transparent conductors; flexible
类别
资金
- National Science Foundation [ECS 0543867]
- EPSRC [EP/F033605/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F033605/1] Funding Source: researchfish
The deposition of atomically thin highly uniform chemically derived graphene (CDG) films on 300 mm 0251 wafers is reported. We demonstrate that the very thin films can be lifted off to form uniform membranes that can be free-standing or transferred onto any substrate. Detailed maps of thickness using Raman spectroscopy and atomic force microscopy height profiles reveal that the film thickness is very uniform and highly controllable, ranging from 1-2 layers up to 30 layers. After reduction using a variety of methods, the CDG films. are transparent and electrically active with FET devices yielding high mobilities of similar to 15 cm(2)/(V s) and sheet resistance of similar to 1 k Omega/sq at similar to 70% transparency,
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