Heterostructured Ga2O3-Activated Bi2O3 Sensors for Chlorine Monitoring
Y B Patil
Bulk and Nanomaterials Research Laboratory, Dept. of Physics, R. L. College, Parola, Dist. Jalgaon, MHS India
D R Patil
Bulk and Nanomaterials Research Laboratory, Dept. of Physics, R. L. College, Parola, Dist. Jalgaon, MHS India
Snehal D Patil
Dept. of Physics, Vivekananda Global University, Jagatpura, Jaipur, Rajasthan, India
Harshal A Nikam
Dept. of Physics, Vivekananda Global University, Jagatpura, Jaipur, Rajasthan, India
Y C Sharma
Dept. of Physics, Vivekananda Global University, Jagatpura, Jaipur, Rajasthan, India
1-6
Vol: 12, Issue: 1, 2022
Receiving Date:
2021-11-10
Acceptance Date:
2022-01-06
Publication Date:
2022-02-25
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http://doi.org/10.37648/ijrst.v12i01.001
Abstract
The nanocrystalline Bi2O3 powder was synthesized by ultrasonicated microwave irradiation by employing centrifugation technique at all normal conditions. Fabrication of thick films of pure Bi2O3 powder was made by screen printing and firing at 400oC for 30 min. Surface activations of the films involved the dipping of pure films into 0.01M aqueous solution of Gallium Nitrate for different intervals of time. The morphologies, surface topographies, constituents of elements present in the synthesized materials and crystallographic structures of the pure and surface activated films have been investigated by XRD, FE-SEM, E-DAX, etc. It has been investigated that, the Ga2O3 activated Bi2O3 (30 min) sample exhibits crucial response to 20 ppm Cl2 gas at 250oC. Electrical and gas monitoring performance of thick films of pure and activated Bi2O3 have been studied and discussed
Keywords:
Heterostructure; Nanocrystalline Bi2O3; Ga2O3; Thick films; Cl2 Sensor
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