Today, the use of carbon based materials such as graphene, carbon nanotubes, etc. in various applications is being extensively studied by researchers in the field. One of such applications is using them in gas sensors. While analytical investigations on the physical and chemical properties of carbon nanomaterials are the focal points in the studies, the need for experimental measurements on various physical characteristics of these materials is deeply felt. In this work, a set of experiments have been conducted using arc discharge Methane decomposition attempting to obtain carbonaceous materials (C-strands) formed between graphite electrodes. The current-voltage (I-V) characteristics of the fabricated C-strands have been investigated in the presence and absence of two different gases, NO2 and CO2. The results reveal that the current passing through the carbon films increases when the concentrations of gases are increased from 200 to 800 ppm. This phenomenon is a result of conductance changes and can be employed in sensing applications such as gas sensors.

Biography:
Elnaz Akbari received her M.Sc. Electrical-mechatronics and automatic control from Universiti Teknologi, Malaysia in 2011 and she has completed her Ph.D. at University technology of Malaysia (UTM) in 2014. Currently she is a Postdoc researcher in the Department of Electrical engineering at the University technology of Malaysia (UTM). Her research interests lie in the area of Nano electronic, chemical and bio sensors applications. In recent years, she has focused on better techniques for expressing, analyzing of sensors based on nano materials such as graphene and carbon nanotubes. She has collaborated actively with researchers in several other disciplines of electronic science.