title: Large-area, high-quality monolayer graphene from polystyrene at atmospheric pressure.
abstract: Graphene films have been attracting great interest owing to their unique physical properties. In this paper, we develop an efficient method to prepare large-area monolayer graphene (97.5% coverage) by atmospheric pressure chemical vapor deposition on Cu foils using polystyrene in a short time (3 min). Raman spectroscopy, transmission electron microscopy and scanning electron microscopy are employed to confirm the thickness and uniformity of the graphene films. Graphene films on glass substrates show high optical transmittance and electrical conductivity. Magnetic transport studies demonstrate that the as-grown monolayer graphene exhibits a high carrier mobility of 3395 cm2V-1s-1at 25 K. On the basis of the analysis, it is concluded that our method is a simple, safe and versatile approach for the synthesis of monolayer graphene.
authors.affiliation: Key Laboratory of Advanced Micro/Nano Functional Materials, Department of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, People's Republic of China. Energy-Saving Building Materials Innovative Collaboration Center of Henan Province, Xinyang Normal University, Xinyang 464000, People's Republic of China.
authors.forename: Junqi
authors.initials: J
authors.lastname: Xu
authors.forename: Can
authors.initials: C
authors.lastname: Fu
authors.forename: Haibin
authors.initials: H
authors.lastname: Sun
authors.forename: Lanxiang
authors.initials: L
authors.lastname: Meng
authors.forename: Yanjie
authors.initials: Y
authors.lastname: Xia
authors.forename: Chongwu
authors.initials: C
authors.lastname: Zhang
authors.forename: Xiaolei
authors.initials: X
authors.lastname: Yi
authors.forename: Wenchao
authors.initials: W
authors.lastname: Yang
authors.forename: Pengfei
authors.initials: P
authors.lastname: Guo
authors.forename: Chunlei
authors.initials: C
authors.lastname: Wang
authors.forename: Jiangfeng
authors.initials: J
authors.lastname: Liu