At room temperature graphene/SnO2 is better than MWCNT/SnO2 as NO2 gas sensor

Srivastava, Vibha and Jain, Kiran (2016) At room temperature graphene/SnO2 is better than MWCNT/SnO2 as NO2 gas sensor. Materials Letters, 169. pp. 28-32. ISSN 0167-577X

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Abstract

Graphene/SnO2 and multi-walled carbon nanotubes (MWCNT)/SnO2 composites are synthesized by sol–gel process on adding 0.2 weight% of graphene and MWCNT into the precursor sol. The gas response of these composite was measured at room temperature. The resistance of these composite increases in presence of NO2 suggests their behavior as n-type semiconductor. The graphene/SnO2 sensor showed higher response and rapid response to NO2 in comparison to MWCNT/SnO2 or SnO2 at room temperature.

Item Type:
Journal Article
Journal or Publication Title:
Materials Letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
80981
Deposited By:
Deposited On:
17 Aug 2016 09:00
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Jul 2020 02:55