The updated gas sensing performance of In2O3 porous nanospheres for ppb level formaldehyde by doping with Mo
Vacuum,
Год журнала:
2025,
Номер
unknown, С. 114248 - 114248
Опубликована: Март 1, 2025
Язык: Английский
Persistently boosted TEA sensing performance of In2O3 hollow spheres by sequentially modified with Bi2O3 and Pt nanoparticles
Sensors and Actuators B Chemical,
Год журнала:
2024,
Номер
422, С. 136628 - 136628
Опубликована: Сен. 11, 2024
Язык: Английский
Atomic Ru Species Driven SnO2-Based Sensor for Highly Sensitive and Selective Detection of H2S in the ppb-Level
ACS Sensors,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
Timely
and
accurate
detection
of
H2S
is
crucial
for
preventing
serious
health
issues
in
both
humans
livestock
upon
exposure.
However,
metal-oxide-based
sensors
often
suffer
from
mediocre
sensitivity,
poor
selectivity,
or
long
response/recovery
time.
Here,
an
atomic
Ru
species-driven
SnO2-based
sensor
fabricated
to
realize
highly
sensitive
selective
at
the
parts
per
billion
level
as
low
100
ppb.
The
shows
a
high
sensing
response
(Rair/Rgas
=
310.1)
ultrafast
time
(less
than
1
s)
20
ppm
operating
temperature
160
°C.
Operando
SR-FTIR
spectroscopic
characterizations
DFT
calculations
prove
that
superior
properties
can
be
mainly
attributed
driven
effect
species
on
formation
surface-adsorbed
oxygen
surface
SnO2,
which
provides
more
active
sites
enhances
performance
SnO2
H2S.
Furthermore,
lab-made
wireless
portable
monitoring
system
developed
rapidly
detect
early
warning,
suggesting
potential
application
system.
This
work
novel
approach
fabricating
gas
by
metal
loaded
metal-oxide
semiconductors.
Язык: Английский
High-efficient and selective hydrogen gas sensor based on bimetallic Ag/Cu nanoparticles decorated on In2O3: Experimental and DFT calculation
International Journal of Hydrogen Energy,
Год журнала:
2024,
Номер
101, С. 15 - 25
Опубликована: Дек. 29, 2024
Язык: Английский
Chemiresistive detection of H2 at near room temperature by porous In2O3 nanotubes co-sensitized with La-dopant and Pd-modifier
Sensors and Actuators B Chemical,
Год журнала:
2024,
Номер
426, С. 137110 - 137110
Опубликована: Дек. 10, 2024
Язык: Английский
Bimetallic PtAu-Decorated SnO2 Nanospheres Exhibiting Enhanced Gas Sensitivity for Ppb-Level Acetone Detection
Nanomaterials,
Год журнала:
2024,
Номер
14(13), С. 1097 - 1097
Опубликована: Июнь 26, 2024
Acetone
is
a
biomarker
found
in
the
expired
air
of
patients
suffering
from
diabetes.
Therefore,
early
and
accurate
detection
its
concentration
breath
such
extremely
important.
We
prepared
Tin(IV)
oxide
(SnO2)
nanospheres
via
hydrothermal
treatment
then
decorated
them
with
bimetallic
PtAu
nanoparticles
(NPs)
employing
approach
situ
reduction.
The
topology,
elemental
composition,
as
well
crystal
structure
materials
were
studied
field
emission
scanning
electron
microscopy,
transmission
X-ray
photoelectron
spectroscopy,
diffraction.
findings
revealed
that
PtAu-decorated
SnO2
(PtAu/SnO2)
effectively
synthesized
NPs
evenly
deposited
onto
surface
nanospheres.
Pure
PtAu/SnO2
sensors
prepared,
their
acetone
gas
sensitivity
was
explored.
demonstrated
comparison
to
pristine
nanosphere
sensors,
based
on
displayed
superior
0.166–100
ppm
at
300
°C,
providing
low
theoretical
limit
equal
158
ppm.
Moreover,
showed
excellent
response
(Ra/Rg
=
492.3
100
ppm),
along
fast
recovery
(14
s/13
s
10
good
linearity
correlation,
repeatability,
long-term
stability,
satisfactory
selectivity
°C.
This
improved
because
sensitization
Pt
NPs,
chemical
Au
synergistic
effects
PtAu.
have
considerable
potential
for
diagnosis
screening
Язык: Английский
Synergistic Effect of Bimetallic Au-Pt Functionalized In2O3 Nanoflowers for ppb-Level Hydrogen Detection
Sensors and Actuators B Chemical,
Год журнала:
2024,
Номер
unknown, С. 137082 - 137082
Опубликована: Дек. 1, 2024
Язык: Английский
Pristine and Ni-doped In2O3 pyramids response to NO2 gas: a transition state theory study
Deleted Journal,
Год журнала:
2025,
Номер
246(1)
Опубликована: Март 24, 2025
Язык: Английский
Effectively Improved CH4 Sensing Performance of In2O3 Porous Hollow Nanospheres by Doping with Cd
Langmuir,
Год журнала:
2024,
Номер
40(46), С. 24740 - 24749
Опубликована: Ноя. 6, 2024
Recently,
due
to
the
promising
application
of
metal
oxide
semiconductors
in
high-performance
methane
(CH
Язык: Английский
Controlling Oxygen Vacancy Content by Varying Calcination Temperature to Enhance the Gas Sensing Performance of BiVO4 Material
Journal of The Electrochemical Society,
Год журнала:
2024,
Номер
171(8), С. 087519 - 087519
Опубликована: Авг. 1, 2024
Compared
to
gas
sensors
based
on
single
metal
oxide,
binary
oxide
semiconductors
(MOS)
offer
a
rich
variety
of
structural
types
and
hold
great
potential
for
excellent
selectivity.
Inspired
by
this,
we
synthesized
BiVO
4
powder
through
stepwise
reaction
combining
calcination
with
hydrothermal
bath
investigated
the
influence
different
temperatures
its
sensitivity
performance.
Our
study
revealed
that
-600
exhibited
optimal
TEA
sensing
behavior
at
225
°C,
showing
high
response
values
(R
/R
g
=
43.4)
fast
response/recovery
times
(15
s/52
s).
Additionally,
sensor
displayed
stability,
repeatability,
exceptional
Preliminary
research
indicates
temperature
induces
changes
in
oxygen
vacancy
content
,
thus
affecting
Язык: Английский