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Growth and properties of chemically modified graphene
- Authors
- Park, Hye Jin; Skakalova, Viera; Meyer, Jannik; Lee, Dong Su; Iwasaki, Takayuki; Bumby, Chris; Kaiser, Ute; Roth, Siegmar
- Issue Date
- 12월-2010
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- chemical structure; chemical vapour deposition; graphene; nitrogen substituted graphene
- Citation
- PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, v.247, no.11-12, pp.2915 - 2919
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
- Volume
- 247
- Number
- 11-12
- Start Page
- 2915
- End Page
- 2919
- ISSN
- 0370-1972
- Abstract
- Chemically modified graphene was synthesized by chemical vapour deposition (CVD) with ammonia gas introduced during the CVD process. The use of two different metal catalyst films [nickel (Ni) or copper (Cu)] results in distinctly different forms of structural defects in the honeycomb lattice of graphene under identical synthesis conditions. The Ni catalyst film gave rise to numerous "flower-like" defects, where carbon atoms formed core hexagons surrounded by pentagons alternated with heptagons, whilst graphene grown on a Cu catalyst film contained a much higher concentration of substituted nitrogen atoms. The samples were characterized by a variety of spectroscopic and microscopic methods complemented with electrical transport measurements. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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Collections - College of Engineering > School of Electrical Engineering > 1. Journal Articles
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