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Steeping interest on graphene research in basic sciences and applicationsemphasizes the need for an economical means of synthesizing it. We report amethod for the synthesis of graphene on commercially available stainless steelfoils using direct thermal chemical vapor deposition. Our method of synthesisand the use of relatively cheap precursors such as ethanol (CH3CH2OH) as asource of carbon and SS 304 as the substrate, proved to be economically viable.Presence of single- and few-layer graphene was confirmed using confocal Ramanmicroscopy/spectroscopy. X-ray photoelectron spectroscopic measurements werefurther used to establish the influence of various elemental species present instainless steel on graphene growth. Role of cooling rate on surface migrationof certain chemical species (oxides of Fe, Cr and Mn) that promote or hinderthe growth of graphene is probed. Such analysis of the chemical species presenton the surface can be promising for graphene based catalytic research.

Single- and few-layer graphene growth on stainless steel substrates by direct thermal chemical vapor deposition