Taguchi optimized synthesis of graphene films by copper catalyzed ethanol decomposition

被引:27
作者
Santangelo, S. [1 ]
Messina, G. [2 ]
Malara, A. [2 ]
Lisi, N. [3 ]
Dikonimos, T. [3 ]
Capasso, A. [3 ]
Ortolani, L. [4 ]
Morandi, V. [4 ]
Faggio, G. [2 ]
机构
[1] Mediterranea Univ, Dept Civil Engn Energy Environm & Mat, DICEAM, I-89122 Reggio Di Calabria, Italy
[2] Mediterranea Univ, Dept Informat Infrastruct & Sustainable Energy, DIIES, I-89122 Reggio Di Calabria, Italy
[3] ENEA, Casaccia Res Ctr, Mat Technol Unit, Surface Technol Lab, I-00123 Rome, Italy
[4] CNR IMM Bologna, I-40129 Bologna, Italy
关键词
Graphene; Taguchi method; Raman spectroscopy; Chemical vapor deposition; CHEMICAL-VAPOR-DEPOSITION; LARGE-AREA; GROWTH; DESIGN; PARAMETERS;
D O I
10.1016/j.diamond.2013.11.006
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Taguchi method is for the first time applied to optimize the synthesis of graphene films by copper-catalyzed decomposition of ethanol. In order to find the most appropriate experimental conditions for the realization of thin high-grade films, six experiments suitably designed and performed. The influence of temperature (1000-1070 degrees C) and synthesis duration (1-30 min) and hydrogen flow (0-100 sccm) on the number of graphene layers and defect density in the graphitic lattice was ranked by monitoring the intensity of the 2D-and D-bands relative to the G-band in the Raman spectra. After critical examination and adjusting of the conditions predicted to give optimal results, a continuous film consisting of 2-4 nearly defect-free graphene layers was obtained. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:73 / 78
页数:6
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