NO2 gas sensitivity of carbon nanotubes obtained by plasma enhanced chemical vapor deposition

Cantalini, C.; Valentini, Luca; Lozzi, L.; Armentano, Ilaria; Kenny, J. M.; Santucci, S.

doi:10.1016/s0925-4005(03)00224-7

Cited by 166 publications

(62 citation statements)

References 14 publications

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“…The diameter of SWNT is calculated using the formula ω rbm = A 1 /d t + A 2 , where d t is the diameter of SWNT and A 1 , A 2 are experimental constant with values 234 cm -1 and 10 cm -1 for SWNT bundles 30,33 . The diameter of SWNT lies in the range from ̴ 1.23 to 1.95 nm.…”

Section: Gas Sensing Setupmentioning

confidence: 99%

Highly Sensitive NO2 Detection and DMP Sensing at Room Temperature using Flexible SWNT Thick Film Sensor

et al. 2016

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Low cost; easy to fabricate and flexible single wall carbon nanotubes thick film resistor (SWNT-TFR) for detailed study of NO 2 detection is reported. SWNT-TFR was fabricated by vacuum filtration technique on flexible polycarbonate membrane. SWNT-TFR sensor shows selective response to NO 2 . The response increases from 1.47 per cent to 17.34 per cent by increasing the concentration of NO 2 from 0.2 ppm to 10 ppm. Different energy sources, thermal and UV were explored for achieving fast recovery of the SWNT-TFR sensor. The results showed that the gas sensor shows fast recovery in the presence of UV radiation. The calculated detection limit (DL) is less than 764 ppt for NO 2 . This work suggests the possibility to utilize SWNTs-TFR as extremely sensitive NO 2 sensor. We are also presenting sensing of Dimethyl methylphosphonate (DMMP), a simulant of chemical warfare agent sarin, using SWNT-TFR. The CNT based sensor gives repeatable response of ~2.7 per cent for 500 ppm of DMMP.

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Section: Gas Sensing Setupmentioning

confidence: 99%

Highly Sensitive NO2 Detection and DMP Sensing at Room Temperature using Flexible SWNT Thick Film Sensor

et al. 2016

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“…The detection by this gas sensor is based on the changes of resistance or conductance in CNTs as a result of direct contact with gas. CNT-based gas sensors have been used in several researches for detection of nitrogen oxides (NOx) (Ueda et al, 2008a;Ueda et al, 2008b), nitrogen dioxide (NO 2 ) (Kong et al, 2000;Cantalini et al, 2003;Valentini et al, 2004;Cho et al, 2006;Moon et al, 2008), ammonia (NH 3 ) (Nguyen and Huh, 2006;Quang et al, 2006;Nguyen et al, 2007), and sulfur dioxide (SO 2 ) (Suehiro et al, 2005) at room temperature. Although the results showed high and prompt response from the gas sensors, the time consuming recovery represents a challenge.…”

Section: Carbon Nanotubes In Air Pollutionmentioning

confidence: 99%

A review on carbon nanotubes in an environmental protection and green engineering perspective

Ong¹,

Ahmad²,

Zein³

et al. 2010

Braz. J. Chem. Eng.

161

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-Recent developments in nanotechnologies have helped to benchmark carbon nanotubes (CNTs) as one of the most studied nanomaterials. By taking advantages of CNTs extraordinary physical, chemical and electronic properties, a wide variety of applications has been proposed in various engineering fields. In this short review, the contribution of CNTs is addressed in terms of sustainable environment and green technologies perspective, such as waste water treatment, air pollution monitoring, biotechnologies, renewable energy technologies, supercapacitors and green nanocomposites. Consideration of CNTs for large scale application from the aspect of cost and potential hazards are also discussed. Based on the literature studied, CNTs pose a great potential as a promising material for application in various environmental fields.

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“…Carbon nanomaterials-including fullerene molecules, carbon nanotubes (CNTs), nanohorns and nano-onions-are promising for a variety of applications [1][2][3]. Among effective methods for synthesizing CNTs are the contact arc method, laser ablation method and chemical vapour deposition method.…”

Section: Introductionmentioning

confidence: 99%

Discharge characteristics in liquid helium, liquid nitrogen and pure water preparatory to fabrication of carbon nanomaterials

Kawasaki

Shigematsu

Imasaka

et al. 2012

J. Phys.: Conf. Ser.

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NO2 gas sensitivity of carbon nanotubes obtained by plasma enhanced chemical vapor deposition

Cited by 166 publications

References 14 publications

Highly Sensitive NO2 Detection and DMP Sensing at Room Temperature using Flexible SWNT Thick Film Sensor

Highly Sensitive NO2 Detection and DMP Sensing at Room Temperature using Flexible SWNT Thick Film Sensor

A review on carbon nanotubes in an environmental protection and green engineering perspective

Discharge characteristics in liquid helium, liquid nitrogen and pure water preparatory to fabrication of carbon nanomaterials

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