TY  - CONF
AU  - Savic, Slavica
AU  - Vojisavljević, Katarina
AU  - Počuča-Nešić, Milica
AU  - Knezevic, Nikola
AU  - Mladenović, Minja
AU  - Djokic, Veljko
AU  - Branković, Zorica
PY  - 2019
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/2312
AB  - Over the past decade, the interest for fabrication of mesoporous metal oxides
has been increased, and that draw attention globally on fabrication and designing
efficient humidity sensors based on these materials. Their unique properties like
high surface area, large pore volume and interconnected pore channels provide
easier adsorption and facile transportation of water molecules across their surfaces.
Nanocasting as technique based on various silica hard templates is one of usually
utilized and efficient methods for processing of such materials.
Silica SBA-15 as a template is currently obtaining exclusive attention in
applications like photocatalysis, sensing, drug delivery and nanomaterials
fabrication since it has high surface area, pore volume, excellent thermal stability
and distinctive interconnectivity of its tunable pore channels. In this work, we used
SBA-15 as a hard template for production of SnO2 humidity sensor. SBA-15
assisted mesoporous SnO2 has been synthesized using incipient wet impregnation
process, consisting of two loading/calcination steps to fill up 15 % of the total pore
volume of template with SnO2, followed by template etching with 2M NaOH.
A few micron thick SnO2 film has been fabricated by applying the paste by the
doctor blade applicator onto alumina substrate provided with interdigitated Pt/Ag
electrodes. The sensor response of the film towards humidity was tested measuring
the change of the complex impedance of the sample exposed to a humid climate
chamber environment with the relative humidity, RH ranging from 40 % to 90 % at
25 °C and from 30 % to 90 % at 50 °C. This study demonstrated that nanocast SnO2
possesses sufficient quality to be used as a material for fabrication of high
performance humidity sensors.
PB  - Institute for Multidisciplinary Research, University of Belgrade
C3  - 5th Conference of Serbian Society for Ceramic Materials
T1  - SBA-15 ASSISTED SnO2 HUMIDITY SENSOR
EP  - 135
SP  - 135
UR  - https://hdl.handle.net/21.15107/rcub_rimsi_2312
ER  - 

@conference{
author = "Savic, Slavica and Vojisavljević, Katarina and Počuča-Nešić, Milica and Knezevic, Nikola and Mladenović, Minja and Djokic, Veljko and Branković, Zorica",
year = "2019",
abstract = "Over the past decade, the interest for fabrication of mesoporous metal oxides
has been increased, and that draw attention globally on fabrication and designing
efficient humidity sensors based on these materials. Their unique properties like
high surface area, large pore volume and interconnected pore channels provide
easier adsorption and facile transportation of water molecules across their surfaces.
Nanocasting as technique based on various silica hard templates is one of usually
utilized and efficient methods for processing of such materials.
Silica SBA-15 as a template is currently obtaining exclusive attention in
applications like photocatalysis, sensing, drug delivery and nanomaterials
fabrication since it has high surface area, pore volume, excellent thermal stability
and distinctive interconnectivity of its tunable pore channels. In this work, we used
SBA-15 as a hard template for production of SnO2 humidity sensor. SBA-15
assisted mesoporous SnO2 has been synthesized using incipient wet impregnation
process, consisting of two loading/calcination steps to fill up 15 % of the total pore
volume of template with SnO2, followed by template etching with 2M NaOH.
A few micron thick SnO2 film has been fabricated by applying the paste by the
doctor blade applicator onto alumina substrate provided with interdigitated Pt/Ag
electrodes. The sensor response of the film towards humidity was tested measuring
the change of the complex impedance of the sample exposed to a humid climate
chamber environment with the relative humidity, RH ranging from 40 % to 90 % at
25 °C and from 30 % to 90 % at 50 °C. This study demonstrated that nanocast SnO2
possesses sufficient quality to be used as a material for fabrication of high
performance humidity sensors.",
publisher = "Institute for Multidisciplinary Research, University of Belgrade",
journal = "5th Conference of Serbian Society for Ceramic Materials",
title = "SBA-15 ASSISTED SnO2 HUMIDITY SENSOR",
pages = "135-135",
url = "https://hdl.handle.net/21.15107/rcub_rimsi_2312"
}

Savic, S., Vojisavljević, K., Počuča-Nešić, M., Knezevic, N., Mladenović, M., Djokic, V.,& Branković, Z.. (2019). SBA-15 ASSISTED SnO2 HUMIDITY SENSOR. in 5th Conference of Serbian Society for Ceramic Materials
Institute for Multidisciplinary Research, University of Belgrade., 135-135.
https://hdl.handle.net/21.15107/rcub_rimsi_2312

Savic S, Vojisavljević K, Počuča-Nešić M, Knezevic N, Mladenović M, Djokic V, Branković Z. SBA-15 ASSISTED SnO2 HUMIDITY SENSOR. in 5th Conference of Serbian Society for Ceramic Materials. 2019;:135-135.
https://hdl.handle.net/21.15107/rcub_rimsi_2312 .

Savic, Slavica, Vojisavljević, Katarina, Počuča-Nešić, Milica, Knezevic, Nikola, Mladenović, Minja, Djokic, Veljko, Branković, Zorica, "SBA-15 ASSISTED SnO2 HUMIDITY SENSOR" in 5th Conference of Serbian Society for Ceramic Materials (2019):135-135,
https://hdl.handle.net/21.15107/rcub_rimsi_2312 .