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Kinetic studies of few-layer graphene grown by flame deposition from the perspective of gas composition and temperature

Ismail, Edhuan and Fauzi, Fatin Bazilah and Mohamed, Mohd Ambri and Mohd Yasin, Mohd Fairus and Mohd Abid, Mohd Asyadi Azam and Yaacob, Iskandar Idris and Md Din, Muhamad Faiz and Ani, Mohd Hanafi (2019) Kinetic studies of few-layer graphene grown by flame deposition from the perspective of gas composition and temperature. RSC Advances, 9 (36). pp. 21000-21008. ISSN 2046-2069

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Abstract

Studies on depositions of chemical vapour deposition (CVD) diamond films have shown that flame combustion has the highest deposition rates without involving microwave plasma and direct current arc. Thus, here we report on our study of few-layer graphene grown by flame deposition. A horizontal CVD reactor was modified for the synthesis of flame deposition of few-layer graphene on a Cu substrate. It was found that graphene obtained has comparable quality to that obtained with other flame deposition setups reported in the literature as determined from Raman spectroscopy, sheet resistance, and transmission electron microscopy. Calculation of the chemical kinetics reveals a gas phase species that has a close correlation to the growth rate of graphene. This was further correlated with van't Hoff analysis of the reaction, which shows that the growth reaction has a single dominating mechanism for temperatures in the range of 400 °C to 1000 °C. Arrhenius analysis also was found to be in good agreement with this result. This study shows few-layer graphene growth proceeds through different pathways from a CVD grown graphene and also highlights flame deposition as a viable method for graphene growth.

Item Type: Article (Journal)
Additional Information: 6524/79699
Uncontrolled Keywords: Kinetic studies of few-layer graphene grow
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ266 Turbines. Turbomachines (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Prof. Dr. Iskandar Idris Yaacob
Date Deposited: 20 Mar 2020 13:43
Last Modified: 20 Mar 2020 13:43
URI: http://irep.iium.edu.my/id/eprint/79699

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