Journal of Advanced Materials and Technologies

Journal of Advanced Materials and Technologies

Synthesis and Electrical Properties Evaluation of Three-Dimensional Graphene

Authors
Fatemeh Dabir 1
Rasoul Sarraf-Mamoory 1
Nastaran Riahi-Noori 2
Edwin Hang Tong Teo 3
Manuela Loeblein 3
1 Tarbiat Modares University, Faculty of Engineering and Technology, Tehran, Iran
2 Niroo Research Institute, Chemistry and Materials Research Center, Tehran, Iran
3 Nanyang Technological University, Singapore
10.30501/jamt.2637.70303
Abstract
In this research, three-dimensional graphene (3DG) was synthesized via thermal CVD method by using
nickel foam in a tube furnace. This method consists of graphene growth on the nickel foam using Ar and H2 gases and
ethanol carbon precursor, followed by removal of nickel foam by chemical etching. Finally, the synthesized graphene
was characterized by XRD, SEM and Raman analyses. The electrical conductivity and work function of 3DG were
determined by Van der Pauw method and UPS technique, respectively. The results indicated that the high porosity and
good quality three-dimensional graphene was formed. The electrical conductivity and work function of 3DG were
measured 4 s.cm-1 and 5 eV, respectively.
Keywords
Three-Dimensional Graphene
Electrical Conductivity
Work Function
CVD
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  • Receive Date 22 June 2015
  • Revise Date 30 August 2015
  • Accept Date 27 September 2015