Graphenes Converted from Polymers
SCIE
SCOPUS
- Title
- Graphenes Converted from Polymers
- Authors
- Byun, SJ; Hyunseob Lim; Ga-Young Shin; Han, TH; Oh, SH; Jong-Hyun Ahn; Choi, HC; Lee, TW
- Date Issued
- 2011-03-03
- Publisher
- AMER CHEMICAL SOC
- Abstract
- Because the direct formation of large, patterned graphene layers on active electronic devices without any physical transfer process is an ultimate important research goal for practical applications, we first developed a cost-effective, scalable, and sustainable process to form graphene films from solution-processed common polymers directly on a SiO2/Si substrate. We obtained few-layer graphene by heating the thin polymer films covered with a metal capping layer in a high-temperature furnace under low vacuum in an Ar/H-2 atmosphere. We find that the metal capping layer appears to have two functions: prevention of vaporization of dissociated molecules and catalysis of graphene formation. We suggest that polymer-derived graphene growth directly on inert substrates in active electronic devices will have great advantages because of its simple, inexpensive, and safer process.
- Keywords
- CHEMICAL-VAPOR-DEPOSITION; LARGE-AREA; CARBON; FILMS; GROWTH; COPPER; LAYERS
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/17538
- DOI
- 10.1021/JZ200001G
- ISSN
- 1948-7185
- Article Type
- Article
- Citation
- JOURNAL OF PHYSICAL CHEMISTRY LETTERS, vol. 2, no. 5, page. 493 - 497, 2011-03-03
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