Abstract
In this study, different types of graphene, including single-, few-, and multi-layer graphene, were grown on a stainless steel (SS) mesh coated with Cu catalyst by using the chemical vapor deposition (CVD) method. Even though the SS mesh consisted of different types of metals, such as Fe, Ni, and Cr, which can also be used as catalysts, the reason for coating Cu catalyst on the SS surface had been related to the nature of the Cu, which promotes the growth of graphene with high quality and quantity at low temperature and time. The reaction temperature and run time, as the most important parameters of the CVD method, were varied, and thus led to the synthesis of different layers of graphene. Moreover, the presence of single-, few-, and multi-layer graphene was confirmed by employing two techniques, namely transmission electron microscopy (TEM) and Raman spectroscopy. On top of that, electron dispersive X-ray (EDX) was further applied to establish the influence of the CVD parameters on the growth of graphene.
Highlights
Graphene is one of the most interesting nanomaterials applied in many expanding disciplines of contemporary studies
A simple method was employed to fabricate different layers of graphene sheets on stainless steel (SS) surface coated with Cu particles as a promoting catalyst for graphene growth in a large scale with high quality via chemical vapor deposition (CVD) technique
In order to determine the different layers of graphene, some parameters of the CVD process had been changed
Summary
Graphene is one of the most interesting nanomaterials applied in many expanding disciplines of contemporary studies. This nanomaterial, a two-dimensional (2D) material, is formed by sp2-bonded carbon atoms that are highly packed into a 2D honeycomb lattice that owns excellent characteristics, such as mechanical, thermal, and electrical properties [1, 2]. Since decades ago, coating carbonic materials on steel in the steel industry has been carried out to improve the steel properties by using of a low amount of carbon materials [9]. Among the different types of carbonic materials such as amorphous carbon materials, graphene with unique properties offers highly promising opportunities for the development of stainless steel
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