High-temperature growth of graphene films on copper foils by ethanol chemical vapour deposition

Faggio, G., Capasso, A., Messina, G., Santangelo, S., Dikonimos, Th., Gagliardi, S., Giorgi, R., Morandi, V., Ortolani, L., & Lisi, N. (2013) High-temperature growth of graphene films on copper foils by ethanol chemical vapour deposition. The Journal of Physical Chemistry C : Nanomaterials, Interfaces and Hard Matter, 117(41), pp. 21569-21576.

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Chemical vapor deposition (CVD) is widely utilized to synthesize graphene with controlled properties for many applications, especially when continuous films over large areas are required. Although hydrocarbons such as methane are quite efficient precursors for CVD at high temperature (∼1000 °C), finding less explosive and safer carbon sources is considered beneficial for the transition to large-scale production. In this work, we investigated the CVD growth of graphene using ethanol, which is a harmless and readily processable carbon feedstock that is expected to provide favorable kinetics. We tested a wide range of synthesis conditions (i.e., temperature, time, gas ratios), and on the basis of systematic analysis by Raman spectroscopy, we identified the optimal parameters for producing highly crystalline graphene with different numbers of layers. Our results demonstrate the importance of high temperature (1070 °C) for ethanol CVD and emphasize the significant effects that hydrogen and water vapor, coming from the thermal decomposition of ethanol, have on the crystal quality of the synthesized graphene.

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25 citations in Scopus
20 citations in Web of Science®
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ID Code: 65588
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: graphene synthesis, ethanol, chemical vapor deposition, high cristallinity, temperature dependance
DOI: 10.1021/jp407013y
ISSN: 1932-7455
Subjects: Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CONDENSED MATTER PHYSICS (020400) > Surfaces and Structural Properties of Condensed Matter (020406)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanofabrication Growth and Self Assembly (100706)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 American Chemical Society
Deposited On: 23 Dec 2013 22:51
Last Modified: 15 Sep 2014 15:11

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