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

被引：2
|
作者：
Kondrashov, Ivan I. [1 ]
Sokolov, Igor V. [1 ,2 ]
Rusakov, Pavel S. [1 ]
Rybin, Maxim G. [1 ,3 ]
Barmin, Alexander A. [2 ]
Rizakhanov, Razhudin N. [2 ]
Obraztsova, Elena D. [1 ,3 ]
机构：
[1] AM Prokhorov Gen Phys Inst, 38 Vavilov St, Moscow 119991, Russia
[2] Keldysh Res Ctr, 8 Onejskaya St, Moscow 125438, Russia
[3] Natl Res Nucl Univ, MEPhI Moscow Engn Phys Inst, 31 Kashirskoye Shosse, Moscow 115409, Russia
来源：
JOURNAL OF NANOPHOTONICS | 2016年 / 10卷 / 01期
基金：
俄罗斯基础研究基金会; 俄罗斯科学基金会;
关键词：
graphene; carbon nanotubes; gas sensors; ROOM-TEMPERATURE; MOLECULES; WATER;
D O I：
10.1117/1.JNP.10.012522
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：6
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