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Benjamin Cunning
다차원 탄소재료 연구단
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Structure-directing effect of single crystal graphene film on polymer carbonization and graphitization

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Title
Structure-directing effect of single crystal graphene film on polymer carbonization and graphitization
Author(s)
Benjamin V. Cunning; Bin Wang; Tae Joo Shin; Rodney S. Ruoff
Publication Date
2019-04
Journal
MATERIALS HORIZONS, v.6, no.4, pp.796 - 801
Publisher
ROYAL SOC CHEMISTRY
Abstract
We report the effect of single crystal graphene on carbonization and graphitization of thin film polymers. Electron microscopy reveals that at the early stages of carbonization, graphene induces the carbon atoms in its near vicinity to form oriented layers parallel to the graphene layer. At elevated temperatures, these layers develop further to form extended graphitic (002) planes parallel to the graphene surface. For the samples which were heat treated and graphitized, grazing incidence X-ray scattering reveals that graphene narrows the distribution of graphite grain orientations. Based on these results, we propose that graphene can act as a structure directing agent in both the carbonization and graphitization of polymer thin films, and may provide an approach to realize single crystal graphite films, perhaps in combination with established techniques such as stress recrystallization. ©The Royal Society of Chemistry 2019
URI
https://pr.ibs.re.kr/handle/8788114/5858
ISSN
2051-6347
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
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