Influence of volume variety of waste cooking palm oil as carbon source on graphene growth through double thermal chemical vapor deposition

摘要

In this paper, the growth of graphene on a nickel (Ni) substrate using waste cooking palm oil (WCPO) as a carbon precursor by double thermal chemical vapor deposition (DTCVD) has been reported. Various amounts of WCPO which comprised of 5μl, 10 μl, 50 μl and 100 μl are employed for the growth of graphene. At 10 μl, graphene effectively formed due to segregation and precipitation more appreciable amount of carbon on the Ni surface during cooling process. Using an ample amount of carbon source resulted in the formation of graphene oxide and thick amorphous carbon. The prepared samples were characterized using FESEM, XRD and Raman spectroscopy. FESEM analysis reveals prominent structural changes upon applying various amount of waste cooking palm oil. From Raman spectroscopy, 10 III samples suggesting multilayer of the graphene derived from the ratio peak intensity (I2D/ IGequal to ~0.30).