Journal of Advanced Materials and Technologies

Journal of Advanced Materials and Technologies

An Investigation on Pd Decorated Carbon Nanotube Sensitivity for CO Gas Sensor Application

Document Type : Research Note Article

Authors
Mohammad Hosein Jalalpur
Negin Manavizadeh
Mojgan Sadeghian Lemraski
K. N. Toosi University of Technology, Faculty of Electrical Engineering, Tehran, Iran.
10.30501/jamt.2637.70332
Abstract
In this paper, the effect of Pd decorated Carbon nanotube system for Carbon monoxide gas sensor applications was studied. Various positions of Pd atom and CO molecule have been considered and investigated using ab initio atomic simulator software (Siesta and Quantumwise (to obtain the most appropriate structure for enhancing the sensitivity of Carbon nanotubes. According to the simulation results, the most stable configuration of Pd atom and CO molecule are obtained while Pd atoms stand parallel to the CNT with no carbon vacancy on and CO molecule approaches the Carbon nanotube with its Carbon atom. Results indicate that the obtained structure can be considered as an interesting candidate for gas sensing devices.
Keywords
Carbon-monoxide gas sensor
CNT-Pd Decorated
Ab initio simulation
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Journal of Advanced Materials and Technologies
Volume 5, Issue 2
Summer 2016
Pages 59-66

  • Receive Date 13 January 2016
  • Revise Date 13 July 2016
  • Accept Date 02 October 2016