The influence of cu lattices on the structure and electrical properties of graphene domains during low-pressure chemical vapor deposition

Daewoo Kim, Seon Joon Kim, Jae Sung Kim, Minju Shin, Gyu Tae Kim, Hee Tae Jung

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The influence of various Cu lattices on the texturing of graphene domains during low-pressure chemical vapor deposition was investigated in a large area. The results show that the sizes and shapes of graphene domains grown on Cu(111) substrates match well with those of the underlying Cu(111) domains, which seem to be quasi-single-crystalline. In contrast, on other Cu substrates such as (100) and more intermediate domains, graphene islands with poly-domains (ca. 85 %) are significantly nucleated, eventually merging into polycrystalline graphene. Within the overall channel-length range, graphene from a Cu foil shows a higher resistance compared to graphene from a Cu(111) domain, with the extracted average channel resistances being 34.51 Ω μm-1 for Cu(111) and 66.17 Ω μm-1 for the Cu foil.

Original languageEnglish
Pages (from-to)1165-1171
Number of pages7
JournalChemPhysChem
Volume16
Issue number6
DOIs
Publication statusPublished - 2015 Apr 27

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Low pressure chemical vapor deposition
Graphite
graphene
Electric properties
low pressure
electrical properties
vapor deposition
Metal foil
foils
Texturing
high resistance
Substrates
Merging
Crystalline materials

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry

Cite this

Kim, Daewoo ; Kim, Seon Joon ; Kim, Jae Sung ; Shin, Minju ; Kim, Gyu Tae ; Jung, Hee Tae. / The influence of cu lattices on the structure and electrical properties of graphene domains during low-pressure chemical vapor deposition. In: ChemPhysChem. 2015 ; Vol. 16, No. 6. pp. 1165-1171.
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The influence of cu lattices on the structure and electrical properties of graphene domains during low-pressure chemical vapor deposition. / Kim, Daewoo; Kim, Seon Joon; Kim, Jae Sung; Shin, Minju; Kim, Gyu Tae; Jung, Hee Tae.

In: ChemPhysChem, Vol. 16, No. 6, 27.04.2015, p. 1165-1171.

Research output: Contribution to journalArticle

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AB - The influence of various Cu lattices on the texturing of graphene domains during low-pressure chemical vapor deposition was investigated in a large area. The results show that the sizes and shapes of graphene domains grown on Cu(111) substrates match well with those of the underlying Cu(111) domains, which seem to be quasi-single-crystalline. In contrast, on other Cu substrates such as (100) and more intermediate domains, graphene islands with poly-domains (ca. 85 %) are significantly nucleated, eventually merging into polycrystalline graphene. Within the overall channel-length range, graphene from a Cu foil shows a higher resistance compared to graphene from a Cu(111) domain, with the extracted average channel resistances being 34.51 Ω μm-1 for Cu(111) and 66.17 Ω μm-1 for the Cu foil.

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