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Carbon nanotube based multifunctional flame sensor

Mohantry, Sumit and Misra, Abha (2014) Carbon nanotube based multifunctional flame sensor. In: SENSORS AND ACTUATORS B-CHEMICAL, 192 . pp. 594-600.

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Official URL: http://dx.doi.org/10.1016/j.snb.2013.11.019


Carbon nanotubes (CNT) due to its multifunctional characteristics has been presented as a flame sensor by combining both radiation and chemical sensitivity. Chemical functionalization enhances the sensitivity of CNT sensor toward any chemical modifications that are induced by the flame. Response of the sensor is revealed to be dependent on the measurement direction (longitudinal and transverse) as well as the radiation intensity. A nonlinear relation between the sensitivity and its distance from the source is used to calibrate the intensity of the flame. The present method allows a simpler approach for the flame detection by utilizing a calibration scheme to operate at any particular bias current and tune its sensitivity with respect to any working distance at a particular bias current. (C) 2013 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the ELSEVIER SCIENCE SA, SWITZERLAND
Keywords: Carbon nanotubes; Flame; Sensor; Functionalization
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited: 11 Feb 2014 10:09
Last Modified: 11 Feb 2014 10:09
URI: http://eprints.iisc.ac.in/id/eprint/48353

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