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Nanocrystalline SnO2-Zn2SnO4 composite thick films applied as humidity sensors

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2019
Nikolic-MV-5CSCS-2019.pdf (823.8Kb)
Authors
Nikolić, Maria Vesna
Luković, Miloljub D.
Dojčinović, Milena
Vasiljević, Zorka Ž.
Conference object (Published version)
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Abstract
Starting ZnO and SnO2 nanopowders (<100 nm) were mixed in a suitable ratio and calcined at 1050 °C for 2 hours to obtain nanocrystalline SnO2-Zn2SnO4 composite powder. Structural characterization performed by X-ray diffraction (XRD) and Scanning Electron Microscopy (SEM) showed that a nanocrystalline composite SnO2-Zn2SnO4 powder was obtained. Thick film paste was made by adding organic vehicles to the powder. Screen printing of four and five layers of thick film paste was performed on two interdigitated test electrode configurations. They were calcined at 500 and 600 °C for 30 minutes. Impedance response was analyzed at several working temperatures (20-60 °C) in the relative humidity range 30-90% and frequency 42 Hz to 1 MHz. Increase in relative humidity lead to a decrease in impedance, especially at lower frequencies. The sensor time delay between absorption and desorption processes was low and the response and recovery times fast showing that the nanocystalline SnO2-Zn2SnO4 composi...te has potential for application in humidity sensing.

Keywords:
SnO2-Zn2SnO4 / thick films / composite powders / humidity sensing
Source:
Programme and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia, 2019, 82-82
Publisher:
  • Belgrade : Institute for Multidisciplinary Research
Funding / projects:
  • Zero- to Three-Dimensional Nanostructures for Application in Electronics and Renewable Energy Sources: Synthesis, Characterization and Processing (RS-45007)

ISBN: 978-86-80109-22-0

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_dais_7006
URI
https://dais.sanu.ac.rs/123456789/7006
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Nikolić, Maria Vesna
AU  - Luković, Miloljub D.
AU  - Dojčinović, Milena
AU  - Vasiljević, Zorka Ž.
PY  - 2019
UR  - https://dais.sanu.ac.rs/123456789/7006
AB  - Starting ZnO and SnO2 nanopowders (<100 nm) were mixed in a suitable ratio and calcined at 1050 °C for 2 hours to obtain nanocrystalline SnO2-Zn2SnO4 composite powder. Structural characterization performed by X-ray diffraction (XRD) and Scanning Electron Microscopy (SEM) showed that a nanocrystalline composite SnO2-Zn2SnO4 powder was obtained. Thick film paste was made by adding organic vehicles to the powder. Screen printing of four and five layers of thick film paste was performed on two interdigitated test electrode configurations. They were calcined at 500 and 600 °C for 30 minutes. Impedance response was analyzed at several working temperatures (20-60 °C) in the relative humidity range 30-90% and frequency 42 Hz to 1 MHz. Increase in relative humidity lead to a decrease in impedance, especially at lower frequencies. The sensor time delay between absorption and desorption processes was low and the response and recovery times fast showing that the nanocystalline SnO2-Zn2SnO4 composite has potential for application in humidity sensing.
PB  - Belgrade : Institute for Multidisciplinary Research
C3  - Programme and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia
T1  - Nanocrystalline SnO2-Zn2SnO4 composite thick films applied as humidity sensors
SP  - 82
EP  - 82
UR  - https://hdl.handle.net/21.15107/rcub_dais_7006
ER  - 
@conference{
author = "Nikolić, Maria Vesna and Luković, Miloljub D. and Dojčinović, Milena and Vasiljević, Zorka Ž.",
year = "2019",
abstract = "Starting ZnO and SnO2 nanopowders (<100 nm) were mixed in a suitable ratio and calcined at 1050 °C for 2 hours to obtain nanocrystalline SnO2-Zn2SnO4 composite powder. Structural characterization performed by X-ray diffraction (XRD) and Scanning Electron Microscopy (SEM) showed that a nanocrystalline composite SnO2-Zn2SnO4 powder was obtained. Thick film paste was made by adding organic vehicles to the powder. Screen printing of four and five layers of thick film paste was performed on two interdigitated test electrode configurations. They were calcined at 500 and 600 °C for 30 minutes. Impedance response was analyzed at several working temperatures (20-60 °C) in the relative humidity range 30-90% and frequency 42 Hz to 1 MHz. Increase in relative humidity lead to a decrease in impedance, especially at lower frequencies. The sensor time delay between absorption and desorption processes was low and the response and recovery times fast showing that the nanocystalline SnO2-Zn2SnO4 composite has potential for application in humidity sensing.",
publisher = "Belgrade : Institute for Multidisciplinary Research",
journal = "Programme and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia",
title = "Nanocrystalline SnO2-Zn2SnO4 composite thick films applied as humidity sensors",
pages = "82-82",
url = "https://hdl.handle.net/21.15107/rcub_dais_7006"
}
Nikolić, M. V., Luković, M. D., Dojčinović, M.,& Vasiljević, Z. Ž.. (2019). Nanocrystalline SnO2-Zn2SnO4 composite thick films applied as humidity sensors. in Programme and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia
Belgrade : Institute for Multidisciplinary Research., 82-82.
https://hdl.handle.net/21.15107/rcub_dais_7006
Nikolić MV, Luković MD, Dojčinović M, Vasiljević ZŽ. Nanocrystalline SnO2-Zn2SnO4 composite thick films applied as humidity sensors. in Programme and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia. 2019;:82-82.
https://hdl.handle.net/21.15107/rcub_dais_7006 .
Nikolić, Maria Vesna, Luković, Miloljub D., Dojčinović, Milena, Vasiljević, Zorka Ž., "Nanocrystalline SnO2-Zn2SnO4 composite thick films applied as humidity sensors" in Programme and the Book of Abstracts / 5th Conference of The Serbian Society for Ceramic Materials, 5CSCS-2019, June 11-13, 2019, Belgrade, Serbia (2019):82-82,
https://hdl.handle.net/21.15107/rcub_dais_7006 .

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