highly sensitive thin film nh3 gas sensor operating at room
highly sensitive thin film nh3 gas sensor operating at room
... A
vailable online at www.sciencedirect.com
Sensors and Actuators B 129 (2008) 888–895
Highly sensitive thin film NH
3
gas sensor operating at room
temperature based on SnO
2
/MWCNTs ... composite sensors still operate at elevated tempera-
tures. To the best of our knowledge, it seems that experimental
data on SnO
2
/CNTs composite-based gas sensors operated at
room te...
a selective nh3 gas sensor based on fe2o3–zno nanocomposites at room temperature
... properties at room tem-
perature were studied. The ultimate objective of this study is
to improve the gas selectivity and sensitivity of the nano-sized
ZnO-based sensors at room temperature.
2. ... Jones, The role of catalysis in solid-state gas sensors,
Sens. Actuators B 10 (1986) 141–163.
[16] B. Bhooloka Rao, Zinc oxide ceramic semi-conductor gas sensor for
ethanol vapour,...
modeling of the conduction in a wo3 thin film as ozone sensor
... al. / Sensors and Actuators B 119 (2006) 327–334 329
For the diatomic gases as oxygen, the adsorption may be
non-dissociative (generally at low temperature) or dissociative
(at higher temperature). ... values, what highlights the greatest reactivity of the
ozone compared to the oxygen.
4.3. Simulation in presence of the two gases at operating
conditions
Now, the sensors response are s...
influence of polymerization temperature on nh3 response of pani tio2 thin film gas sensor
... temperature on the gas response of the PANI/TiO
2
thin film gas sensor was investigated. The results showed that the PANI/TiO
2
thin film prepared at 10
◦
C was superior to those prepared at other
temperatures ... reported a PANI/TiO
2
nanocompos-
ite thin film gas sensor prepared at room temperature [10].It
has been revealed that the PANI/TiO
2
nanocomposite thin film...
gas sensing properties of metal - organics derived pt dispersed - tio2 thin film fired in nh3
... 270–274272
Table 2
Ž.
Relative resistance of the thin film fired in different atmosphere measured at 2008C
Number Firing atmosphere Kind of thin film Kind of measuring gas Relative resistance
1a NH ... TiO are promising materials for gas sensor 1 .
2
TiO has been mainly studied as a material of O
22
sensor at high temperature as high as 8008C in the form of
wx
bulk or thic...
sensitivity properties of a novel no2 gas sensor based on mesoporous wo3 thin film
... of
WO
3
thin film gas sensors. Part 1. Thin film devices, sensors and
actuators, Thin Solid Films 287 (1996) 258–265.
[7] V. Demarne, A. Grisel, An integrated low-power thin film CO gas
sensors ... many applications if the sensor could operate
at temperatures <100
◦
C or even at room temperature, es-
pecially for battery-operated devices. Recently it also has
been reported...
thin film polypyrrole swcnts nanocomposites-based nh3 sensor
... Sens. Actuators B 133 (2008) 46-52.10
35. D.R. Patil, L.A. Patil, P.P. Patil, Cr
2
O
3
-activated ZnO thick film resistors for ammonia gas 11
sensing operable at room temperature, Sens. Actuators ... 12
maintained at room temperature. Fig.6a shows the response of the four sensors to 150 ppm NH
3
gas 13
at room temperature. From Fig. 6b, it can be seen that the optimal anneal...
tio2 thin film gas sensor for monitoring ammonia
... tolerance. This situation is better in the case of
novel gas sensors based on metal oxides that are stable
at high temperatures, so permitting an operating
Materials Characterization 58 (2007) 680 ... respect to the ammonia gas
concentrations at an operating temperature of 250 °C. It
was found that the sensitivity factor increases with
increasing gas concentration. The repeatabi...
new technology of metal oxide thin film preparation for chemical sensor application
... film deposition
at room temperature. The sputtering atmosphere consisted of
Ar–O
2
mixed gas and its flow rate was controlled by separate
gas flowmeters to provide an Ar:O
2
flow ratio of 1:1. The
pressure ... Sensors and Actuators B 109 (2005) 128–134
New technology of metal oxide thin film
preparation for chemical sensor application
Viacheslav Khatko
a,∗
, Josep Calderer
b
, ... ammo...