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 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. © 2013 Elsevier B.V.
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Materials Chemistry
- Electrical and Electronic Engineering
- Mechanical Engineering
- Physics and Astronomy(all)
Santangelo, S., Messina, G., Malara, A., Lisi, N., Dikonimos, T., Capasso, A., Ortolani, L., Morandi, V., & Faggio, G. (2014). Taguchi optimized synthesis of graphene films by copper catalyzed ethanol decomposition. Diamond and Related Materials, 41, 73 - 78. https://doi.org/10.1016/j.diamond.2013.11.006