Sensors,
Journal Year:
2025,
Volume and Issue:
25(7), P. 2307 - 2307
Published: April 5, 2025
Resistive
gas
sensors
are
among
the
most
widely
used
for
detection
of
various
gases.
In
this
type
sensor,
sensing
capability
is
linked
to
surface
properties
layer,
and
accordingly,
modification
importance
improve
output.
Plasma
treatment
a
promising
way
modify
sensors,
mainly
by
changing
amounts
oxygen
ions,
which
have
central
role
in
reactions.
review
paper,
we
focus
on
plasma
features
resistive
sensors.
After
an
introduction
air
pollution,
toxic
gases,
main
concepts
regarding
presented.
Then,
impact
characteristics
materials
discussed.
As
field
interdisciplinary
field,
believe
that
present
paper
will
be
significant
interest
researchers
with
backgrounds
who
working
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: May 2, 2023
In
this
paper,
we
have
developed
an
in-vehicle
wireless
driver
breath
alcohol
detection
(IDBAD)
system
based
on
Sn-doped
CuO
nanostructures.
When
the
proposed
detects
ethanol
trace
in
driver`s
exhaled
breath,
it
can
alarm
and
then
prevents
car
to
be
started
also
sends
location
of
mobile
phone.
The
sensor
used
is
a
two-sided
micro-heater
integrated
resistive
gas
fabricated
Pristine
nanostructures
were
synthesized
as
sensing
materials.
calibrated
provide
desired
temperature
by
applying
voltage.
results
showed
that
Sn-doping
nanostructures,
performance
significantly
improved.
has
fast
response,
good
repeatability
along
with
selectivity
makes
suitable
for
being
practical
applications
such
system.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 16, 2024
This
study
provides
a
comprehensive
analysis
of
biofabricated
nanomaterial
derived
from
Sansevieria
trifasciata
root
extract,
evaluating
its
structural,
morphological,
and
optical
properties
for
use
in
asymmetric
supercapacitors.
The
comprises
pristine
ZnO
nanoparticles
(ZnO
NPs)
1%
Ag-doped
nanocomposite
(Ag@ZnO
NC),
synthesized
through
green-assisted
sol–gel
autocombustion
method.
Employing
techniques
such
as
X-ray
diffraction,
ultraviolet–visible
near-infrared,
scanning
electron
microscopy–energy-dispersive
X-rayspectroscopy,
Fourier
transform
infrared
spectroscopy,
Raman
transmission
microscopy,
the
confirms
hexagonal
wurtzite
structure
nanocrystallites
with
spherical
shapes
(30
nm).
Optical
reveals
red
shift
band
gap
Ag
doping,
indicating
improved
conductivity.
material
shows
potential
applications
solar
cells,
optoelectronics,
spintronics,
wastewater
treatment,
high-performance
spectra
validate
phase
identify
intrinsic
defects.
Electrochemical
tests
demonstrate
remarkable
supercapacitive
behavior
94%
capacitance
retention
after
10,000
cycles,
highlighting
promise
advanced
The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 16, 2024
The
global
energy
crisis
and
dependency
on
fossil
fuels
have
compelled
us
to
rely
renewable
energy-based
technology,
a
more
sustainable,
eco-friendly
source.
Dye-sensitized
solar
cells
(DSSCs)
are
one
such
promising
technology.
Owing
its
unique
features,
the
two-dimensional
(2D)
tungsten
oxide
nanosheet
is
top-notch
photoactive
material
for
DSSC
applications.
However,
their
extensive
commercialization
limited
by
cost-efficient
environmentally
benign
synthesis
of
an
ultrathin
2D
nanosheets.
In
this
work,
easily
scalable
high-yield
mechanochemical
nanosheets
has
been
proposed
at
ambient
temperature.
phase
evolution
formation
mechanism
WO3
investigated
X-ray
diffraction
(XRD)
scanning
electron
microscopy
(SEM)
images.
as-synthesized
were
structurally
characterized
multiple
techniques
like
XRD,
Fourier-transform
infrared
(FTIR),
photoelectron
spectroscopy
(XPS),
Raman,
ultraviolet–visible
(UV–vis),
while
nanoplate-like
surface
morphology
was
microscopic
field
emission
(FESEM),
high-resolution
transmission
microscope
(HRTEM),
atomic
force
(AFM).
synthesized
combined
with
highly
conductive
graphene
sheet
(GS)
in
different
doping
percentages,
modified
hybrid
systems
tested
application.
Under
simulation
one-sun
illumination,
using
pristine
photoelectrode
demonstrated
solar-power
conversion
efficiency
9.31%,
optimal
0.6
wt
%
GS
exhibited
excellent
performance
highest
power
10.47%,
improved
IPCE,
long
term
stability.
A
device
prototype
developed
utilizing
same,
which
continued
perform
well
almost
3
months
meagre
loss
performance.
This
work
provides
approach
increasing
altering
GS,
acted
as
next-generation
commercializing
DSSCs.
Chemosensors,
Journal Year:
2022,
Volume and Issue:
11(1), P. 7 - 7
Published: Dec. 22, 2022
The
2D
structure
of
MXenes
attracts
wide
research
attention
toward
an
application
these
materials
in
gas
sensors.
These
structures
are
extremely
sensitive
to
minor
variations
their
composition,
which
employed
for
tuning
functional
properties.
Here,
we
consider
the
partially
substituted
composition
TixV2-xC,
where
x
=
0.2,
via
quantum
chemical
calculations,
and
test
chemiresistive
characteristics
as
a
receptor
component
planar-type
sensor
on-chip
multisensor
array.
We
thoroughly
discuss
synthesis
process
Ti0.2V1.8AlC
MAX-phase
corresponding
MXenes,
prepare
inks
and,
furthermore,
deposit
films
by
microextrusion
printing
over
array
planar
multi-electrode
at
surface
pen-sized
chip.
crystal
obtained
is
evaluated
X-ray
diffraction
analysis.
developed
chip
has
been
exposed
upon
few
gaseous
analytes,
alcohol
VOCs,
NH3,
H2O,
500–16,000
ppm
concentration,
room
temperature
ensure
that
could
observe
positive
effect
matured
from
resistance
enhancing,
with
up
10%
vs.
water
vapors.
calculations
carried
framework
density-functional
theory
V2C,
Ti2C,
Ti0.2V1.8C
crystals
ensured
electronic
were
almost
consistent
experiment
fundings:
most
prominent
observed
relation
H2O
Therefore,
be
considered
applying
them
temperature-operated
hygrometers.
IEEE Transactions on Instrumentation and Measurement,
Journal Year:
2023,
Volume and Issue:
72, P. 1 - 10
Published: Jan. 1, 2023
In
this
paper,
a
handheld
gadget
for
breath
alcohol
detection
was
developed.
The
proposed
device
based
on
CuO-decorated
Fe
2
O
xmlns:xlink="http://www.w3.org/1999/xlink">3
nanoflakes
(NFs).
A
miniaturized
platinum
micro-heater
integrated
sensor
substrate,
already
equipped
with
the
interdigitated
electrodes
(IDEs).
heater
calibrated
by
applying
different
voltages
to
provide
desired
temperatures.
For
decoration
of
CuO
nanoparticles
(NPs)
NFs,
thicknesses
Cu
thin
films
were
deposited
NFs
using
DC
magnetron
sputtering
and
subsequent
annealing,
as
isolated
NPs
decorated
NFs.
sensing
results
showed
that
led
an
improvement
in
properties
gas
sensor.
can
be
powered
foldable
solar
panels
or
mains
electricity.
able
wirelessly
send
smartphone
where
operator
could
monitor
changes
response
real-time.
Optimal
10
100
ppm
ethanol
at
250°C
recovery
times
12
57
s,
respectively.
Hence,
relatively
fast
time,
high
response,
good
repeatability,
selectivity
optimal
make
it
suitable
candidate
applications.
