Cited 0 time in webofscience Cited 2 time in scopus

Effect of sintering temperature on the electrical and gas sensing properties of tin oxide powders

Title
Effect of sintering temperature on the electrical and gas sensing properties of tin oxide powders
Authors
Lee, KyungtaekSahu, ManishaHajra, SugatoMohanta, KalyaniKim, Hoe Joon
DGIST Authors
Lee, Kyungtaek; Sahu, Manisha; Hajra, Sugato; Mohanta, Kalyani; Kim, Hoe Joon
Issue Date
2021-08
Citation
Ceramics International, 47(16), 22794-22800
Type
Article
Author Keywords
DielectricGas sensorsMetal oxidesSintering effect
Keywords
NO2 SENSORSSPECTROSCOPYIMPEDANCE
ISSN
0272-8842
Abstract
Tin oxide is an n-type semiconducting material having superior properties that can be utilized in several applications. The warning and detection of several dangerous gases in the environment are possible by utilizing gas sensors. The comprehensive functionality of these sensors could help to reduce the risk of severe health hazards and unexpected explosion risks. Tin oxide-based gas sensors exhibit reliable gas sensing performances along with respectful sensitivity and selectivity. Tin oxides in micro-and nano-particle forms provide an extremely high surface-to-volume ratio, which is favorable for gas sensors. Processing and synthesis of tin oxide particles accompany high-temperature processes, and this paper focuses on studying the effect of sintering temperatures on the structural and grain size of the commercially available tin oxide particles. The surface morphology of the tin oxide samples sintered at three different temperatures of 1100, 1200, 1300 °C shows a clear difference in the grain size and further affecting the dielectric properties of the materials. The gas sensing performances of three tin oxide samples are investigated by fabricating a pellet-type gas sensor. The sensor with the sintering temperature of 1200 °C exhibits the best gas-sensing performance with high response and low limit of detection (LOD). Our results suggest that the sintering temperature plays a vital role in deciding the dielectric properties and grain sizes, which are important parameters that affect the gas sensing behavior of tin oxide micro-and nano-particles. © 2021
URI
http://hdl.handle.net/20.500.11750/14005
DOI
10.1016/j.ceramint.2021.04.298
Publisher
Elsevier Ltd
Related Researcher
  • Author Kim, Hoe Joon Nano Materials and Devices Lab
  • Research Interests MEMS/NEMS; Micro/Nano Sensors; Piezoelectric Devices; Nanomaterials; Heat Transfer; Atomic Force Microscope
Files:
There are no files associated with this item.
Collection:
Department of Robotics and Mechatronics EngineeringNano Materials and Devices Lab1. Journal Articles


qrcode mendeley

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE