<abstract xmlns="http://www.w3.org/1999/xhtml">Nanocrystalline SnO2 thin films were successfully prepared using sol-gel dip coating technique. The starting precursor was used as tin chloride dihydrate (SnCl2.2H2O), ethanol and glycerin. As the prepared films were fired at 500oC. These films were characterized using XRD, FE-SEM and TEM to known crystal structure, surface morphology and microstructure property. Elemental composition was studied using energy dispersive spectrophotometer (EDAX). The H2 gas sensing performance of nanocrystalline SnO2 thin films were investigated and presented. It was found that the nanocrystalline SnO2 thin films gives maximum gas response (S= 360) at 75 oC. The sensor shows fast speed of response (TResponse = 2 s) and quick recover (Trecover = 8 s).</abstract>

Nanocrystalline SnO2 thin films were successfully prepared using sol-gel dip coating technique. The starting precursor was used as tin chloride dihydrate (SnCl2.2H2O), ethanol and glycerin. As the prepared films were fired at 500oC. These films were characterized using XRD, FE-SEM and TEM to known crystal structure, surface morphology and microstructure property. Elemental composition was studied using energy dispersive spectrophotometer (EDAX). The H2 gas sensing performance of nanocrystalline SnO2 thin films were investigated and presented. It was found that the nanocrystalline SnO2 thin films gives maximum gas response (S= 360) at 75 oC. The sensor shows fast speed of response (TResponse = 2 s) and quick recover (Trecover = 8 s).

Synthesis, Characterization And Gas Sensing Performance Of Sol-Gel Prepared Nanocrystalline Sno2 Thin Films

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Synthesis, Characterization And Gas Sensing Performance Of Sol-Gel Prepared Nanocrystalline Sno Thin Films

Nanocrystalline SnO2 thin films were successfully prepared using sol-gel dip coating technique. The starting precursor was used as tin chloride dihydrate...

Synthesis, Characterization And Gas Sensing Performance Of Sol-Gel Prepared Nanocrystalline Sno₂ Thin Films

Published Online: Dec 27, 2017

Page range: 610 - 629

Received: Nov 15, 2013

Accepted: Jun 01, 2014

DOI: https://doi.org/10.21307/ijssis-2017-672

Keywords
Sol-gel, nanocrystalline SnO, thin films, H gas sensor, fast response-recovery

© 2014 Ramesh H. Bari et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Synthesis, Characterization And Gas Sensing Performance Of Sol-Gel Prepared Nanocrystalline Sno2 Thin Films

Published Online: Dec 27, 2017

Page range: 610 - 629

Received: Nov 15, 2013

Accepted: Jun 01, 2014

DOI: https://doi.org/10.21307/ijssis-2017-672

KeywordsSol-gel, nanocrystalline SnO, thin films, H gas sensor, fast response-recovery

© 2014 Ramesh H. Bari et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Synthesis, Characterization And Gas Sensing Performance Of Sol-Gel Prepared Nanocrystalline Sno₂ Thin Films

Keywords
Sol-gel, nanocrystalline SnO, thin films, H gas sensor, fast response-recovery