Hierarchical ultrathin nanosheet of Ni(OH)2/rGO composite chemically deposited on Ni foam for NOx gas sensors
P. E. Lokhande, Vishal Kadam, Chaitali Jagatap, U. S. Chavan, R. Udayabhaskar and H. M. Pathan
P. E. Lokhande1,2,3,Email
Vishal Kadam2
Chaitali Jagatap2
U. S. Chavan3
R. Udayabhaskar4
H. M. Pathan2
1Depearment of Mechanical Engineering, Sinhgad Institute of Technology, Lonavala- India-410401
2Advanced Physisca Laboratory, Department of Physics, Savitirbai Pule Pune University, Pune- India 411007
3Depearment of Mechanical Engineering, Vishwakarma Institute of Technology, Pune, India 411037
4Vicerrectoría de Investigación y Postgrado, Avenida Copayapu 485, Copiapó, Chile
Abstract
Hierarchical nanoflower-like Nickel hydroxide/reduced graphene oxide (Ni(OH)2/rGO) was synthesized through chemical deposition method on Ni foam. The nanoflower like structure was obtained which comprises of ultrathin nanosheets or nanopetals containing porous nanostructure. Further, the addition of rGO enhances the electrical conductivity of synthesized material which exhaustively exploited during proton transfer process. The Ni(OH)2/rGO nanocomposite exhibited excellent NOx gas sensing performance, such as high response time, sensitivity.
Publication details
Received: 16 Mar 2022
Revised: 06 May 2022
Accepted: 21 May 2022
Published online: 11 Jun 2022
Article type:
Research Paper
DOI:
10.30919/esmm5e721
Volume:
17
Page:
53-56
Citation:
ES Materials & Manufacturing, 2022, 17, 53-56
Permissions:
Copyright
Number of downloads:
3333
Citation Information:
6
Description:
The nanostructured Ni(OH)2/rGO composite successfully deposited on Ni foam by a chemical deposition ....
The nanostructured Ni(OH)2/rGO composite successfully deposited on Ni foam by a chemical deposition method for gas sensor application. Synthesized ultrathin nanosheets of Ni(OH)2 on rGO sheet showed an excellent sensing property to NOx with highest sensitivity 48% at 100ppm NOx concentration and response time for that 7 second.
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