期刊
APPLIED PHYSICS LETTERS
卷 93, 期 23, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3028339
关键词
carbon; field emission; nanocomposites; nanostructured materials; polymer films
资金
- National Science Foundation [ECS 0543867]
Field emission from graphene is challenging because the existing deposition methods lead to sheets that lay flat on the substrate surface, which limits the field enhancement. Here we describe a simple and general solution based method for the deposition of field emitting graphene/polymer composite thin films. The graphene sheets are oriented at some angles with respect to the substrate surface leading to field emission at low threshold fields (similar to 4 V mu m(-1)). Our method provides a route for the deposition of graphene based thin film field emitter on different substrates, opening up avenues for a variety of applications.
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