Page 81 - kahroba42

1402 ناتسمز - 42 هرامش ابرهک - رتویپماک و قرب یسدنهم یصصخت همانلصف

Investigating and analyzing the effects of electric

arc discharge parameters on the electrical

conductivity of carbon synthesized materials

Amir Shateri Bachelor of Electrical Engineering, Apadana Institute of Higher
Education, Shiraz; Iran

Abstarct:

In this research and article, carbon materials were synthesized by arc discharge with
different discharge parameters and analyzed. These materials are composed of soot
globules with an irregular carbon structure, and there are also pieces of graphene in
the material. Nevertheless, the electrical conductivity of the synthesized carbon
materials is mainly determined by the contact resistance effect that appears due to the
amorphous carbon covering the graphene particles. Depending on the synthesis
conditions, the electrical conductivity has values in the range of 10-3 to 5.3
siemens/m. For synthesized materials containing graphene sheets with sizes larger
than most carbon black globules, the electrical conductivity is determined by the
content ratio of graphene sheets and carbon black globules. This material has an

electrical conductivity of 33 xinmes per meter.
Keywords:

nano carbon; electrical conductivity; arc discharge; Electrical conductivity

www.kahrobaonline.ir