Enhancement of NO2 gas sensing behavior for ZnS/PPy nanostructure by loading graphene

Main Article Content

Iftikhar M. Ali

Abstract

The pure ZnS and ZnS-Gr nanocomposite have been prepared
successfully by a novel method using chemical co-precipitation. Also
conductive polymer PPy nanotubes and ZnS-PPy nanocomposite
have been synthesized successfully by chemical route. The effect of
graphene on the characterization of ZnS has been investigated. X-ray
diffraction (XRD) study confirmed the formation of cubic and
hexagonal structure of ZnS-Gr. Dc-conductivity proves that ZnS and
ZnS-Gr have semiconductor behavior. The SEM proved that
formation of PPy nanotubes and the Gr nanosheet. The sensing
properties of ZnS-PPy/ZnS-Gr for NO2 gas was investigated as a
function of operating temperature and time under optimal condition.
The sensitivity, response time and recovery time were calculated
with different operating temperatures.

Article Details

How to Cite
1.
Ali IM. Enhancement of NO2 gas sensing behavior for ZnS/PPy nanostructure by loading graphene. IJP [Internet]. 2019 Mar. 1 [cited 2024 Nov. 3];17(40):21-32. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/401
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