novel hybrid materials for gas sensing applications made
novel hybrid materials for gas sensing applications made
... online at www.sciencedirect.com
Sensors and Actuators B 131 (2008) 174–182
Novel hybrid materials for gas sensing applications made
of metal-decorated MWCNTs dispersed on
nano-particle metal oxides
R. ... higher amount of SnO
2
than WO
3
is present in the hybrid materials.
3.2. Gas response analysis
The gas sensing properties of the different hybrid materials
pro...
nanosize hexagonal tungsten oxide for gas sensing applications
... are among the most used materials in electro-, photo- and gaso-chromic applications. Lately, tungsten
oxides have been commonly applied as sensing layers for hazardous gas detection as well. In ... www.sciencedirect.com
Journal of the European Ceramic Society 28 (2008) 913–917
Nanosize hexagonal tungsten oxide for gas sensing applications
Csaba Bal
´
azsi
a,∗
, Lisheng Wang
b...
Synthesis and characterization of semiconducting nanowires for gas sensing
... potential application of nanowires is gas sensing, which
MOX are widely employed for. Tin-, indium-, and zinc-oxide
nanowires may constitute the building blocks for a novel class
of nano-devices. Some ... nano-devices for gas sensing.
Acknowledgements
Financial support from European Union and MIUR is
gratefully acknowledged: “Nanostructured solid-state gas sen-
sors with super...
comparative study of nanocrystalline sno2 materials for gas sensor application
... exposition to pure carrier gas (synthetic air, 50%
RH). The sensor signal was defined as a ratio R
air
/R
gas
, where R
gas
is the sensing layer resistance in target gas atmosphere and R
air
is ... time for different propane
concentrations. The highest signal drift is obtained for sensing
materials on the basis of commercial SnO
2
. The highest contribu-
tion to the signal de...
mixed sno2 tio2 included with carbon nanotubes for gas-sensing application
... candidate of
gas- sensing applications [15–17]. For the gas- sensing materials,
there are various approaches using CNTs as the solution such as
CNTs for dispersion, CNTs for composite, CNTs for filling, ... implementation, and small size [1,2]. Gas sensors based
on SnO
2
materials have been commercially available [3,4]. Thin-
film gas sensors have improved the gas- sen...
novel semiconductor materials for the development of
... (2008) 1–9 5
Table 1 – Summary of the analytical applications of
novel semiconductor materials
Gas sensing (H
2
,NH
3
,NOx,O
2
,
CO, H
2
O, combustion gases,
ethanol, organic vapours,
hydrocarbons, ... new semiconductor
materials ideal for the development of specific chemical sen-
sor and biosensor systems. Table 1 summarizes the analytical
applications of novel semiconductor...
hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing
... employed. The
system allows for sample rotation (360
◦
) and sample inclination
(90
◦
).
2.4. Gas sensing measurements
The gas sensing properties of the different sensing films were
tested in ... next term nano-crystals for gas sensing, Anal.
Chim. Acta 568 (2006) 28–40.
[7] P.K. Clifford, D.T. Tuma, Characteristics of semiconductor gas sensors 1
steady-state gas response,...
Opportunities in Protection Materials Science and Technology for Future Army Applications pdf
... Protection Materials Science and Technology for Future Army Applications
Committee on Opportunities in Protection Materials Science
and Technology for Future Army Applications
National Materials ... reserved.
Opportunities in Protection Materials Science and Technology for Future Army Applications
CONTENTS xiii
6 THE PATH FORWARD 99
A New Paradigm, 99
Recommendations...
research on gas - sensing properties of lead sulfide-based sensor for detection
... changed
very poorly. The stability of the gas- sensing layers’ resistance in air
ensures a stable level for the gas sensors’ applications.
3.3. Discussion about the gas- sensing mechanism
It is known that ... NH
3
-sensing properties
of PbS till date.
In present paper, the gas- sensing characteristics of PbS were
investigated for the nee d to develop sensitive, reliable and...
study of wo3-based sensing materials for nh3 and no detection
... 1999
Abstract
Gas sensing materials of WO loaded with 1 wt.% metal oxides were prepared and applied for NH and NO detection. The
3 3
measurement of NH and NO sensing properties of the materials revealed ... was used for preparing the
sensing materials. The WO powder was prepared by
3
ŽŽ .
pyrolyzing ammonium paratungstate NH W O P
410 12 41
.
5H O at 6008C for 2 h in air, a...