Special Section on Nanocarbon Photonics and Optoelectronics

Electrical properties of gas sensors based on graphene and single-wall carbon nanotubes

[+] Author Affiliations
Ivan I. Kondrashov, Pavel S. Rusakov

A. M. Prokhorov General Physics Institute, 38 Vavilov Street, Moscow 119991, Russia

Igor V. Sokolov

A. M. Prokhorov General Physics Institute, 38 Vavilov Street, Moscow 119991, Russia

Keldysh Research Center, 8 Onejskaya Street, Moscow 125438, Russia

Maxim G. Rybin, Elena D. Obraztsova

A. M. Prokhorov General Physics Institute, 38 Vavilov Street, Moscow 119991, Russia

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 31 Kashirskoye shosse, Moscow 115409, Russia

Alexander A. Barmin, Razhudin N. Rizakhanov

Keldysh Research Center, 8 Onejskaya Street, Moscow 125438, Russia

J. Nanophoton. 10(1), 012522 (Jan 27, 2016). doi:10.1117/1.JNP.10.012522
History: Received October 13, 2015; Accepted January 7, 2016
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Abstract.  Here, we present investigation of the influence of different gases (carbon dioxide, ammonia, and iodine vapor) on the sensory properties of graphene and single-wall carbon nanotube films. The gas molecules are adsorbed by carbon films (graphene or nanotubes) and change the film’s electrical resistance. In the course of this work, the setup for studying the electrophysical properties of carbon nanomaterials has been designed and constructed in the lab. With this home-made equipment, we have demonstrated a high efficiency of graphene and nanotubes as adsorbents of different gases and a possibility to use these materials as gas sensors. We have also performed a chemical modification of graphene and carbon nanotubes by attaching the nanoparticles of calcium carbonate (CaCO3) to improve the sensitivity and selectivity of sensors.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Ivan I. Kondrashov ; Igor V. Sokolov ; Pavel S. Rusakov ; Maxim G. Rybin ; Alexander A. Barmin, et al.
"Electrical properties of gas sensors based on graphene and single-wall carbon nanotubes", J. Nanophoton. 10(1), 012522 (Jan 27, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.012522


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