Effect of addition of surfactant on LPG sensing properties of nano tin oxide based thick film sensors

Author

Garje, A.D.

Author_Institution

Dept. of Phys., Sir Parashurambhau Coll., Pune, India

fYear

2015

fDate

7-10 March 2015

Firstpage

154

Lastpage

158

Abstract

Nanocrystalline tin oxide powder is synthesized using sol gel method. To observe the effect of addition of surfactant on particle size, Sodium Dodecyl Sulphate (SDS) is added during the synthesis. The particle is found to be ~ 8 nm using TEM. The synthesized nanophase tin oxide powder is used to fabricate thick film sensors using screen printing technique. The sensor performance is tested for 100 ppm of LPG. The role of surfactant is observed to be responsible for remarkable improvement in sensitivity for LPG by 5 times with low operating temperature of 110 °c. The optical and structural characterization of powder and film is done using UV-Vis, XRD, SEM; TEM. The repeatability, response and recovery time of the sensors is studied.

Keywords

X-ray diffraction; gas sensors; nanofabrication; nanoparticles; nanosensors; particle size; petroleum; scanning electron microscopy; semiconductor thin films; sol-gel processing; surfactants; thick films; tin compounds; transmission electron microscopy; ultraviolet spectra; visible spectra; LPG sensing properties; SEM; SnO₂; TEM; UV-Vis spectroscopy; XRD; nanocrystalline tin oxide powder; particle size; repeatability; response and recovery time; screen printing technique; sodium dodecyl sulphate; sol gel method; temperature 110 degC; thick film sensors; Gas detectors; Powders; Sensitivity; Sensor phenomena and characterization; Temperature sensors; Tin; LPG sensor; Thick film; surfactant;

fLanguage

English

Publisher

ieee

Conference_Titel

Physics and Technology of Sensors (ISPTS), 2015 2nd International Symposium on

Conference_Location

Pune

Type

conf

DOI

10.1109/ISPTS.2015.7220102

Filename

7220102