Synthesis and characterizations of 3-dimensional graphene scaffold via low pressure chemical vapour deposition

Norani Muti Mohamed, Mohamed Salleh Mohamed Saheed, Balbir Singh Mahinder Singh, Mohamed Shuaib Mohamed Saheed


The interconnected 3D graphene structure was synthesized using low pressure chemical vapour deposition (LPCVD at 3 Torr) with different level of methane concentrations on nickel foam catalyst. The grown graphene were subjected to SEM, TEM and Raman analysis at 514 nm in order to determine the quality of the structures and position of G-band and 2D-band with respect to the variation of methane concentration. Raman spectrum described the occurrence of G-band and 2Dband peaks at ~1580 cm-1 and 2700 cm-1, respectively. The suppressed D-band peaks indicate the high crystallinity of the grown graphene. Shape of 2D-band peak shows an increase from two to five layers of graphene with an increase in CH4 vol%. These multiple layers of graphene structure will be beneficial for improvement of transport properties in flexible perovskite solar cell (PSC).


3D graphene; low pressure CVD; high crystallinity

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