Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 29, 2024
Gallium-doped
zinc
oxide
(GZO)
has
demonstrated
significant
potential
in
gas-sensing
applications
due
to
its
enhanced
electrical
and
chemical
properties.
This
study
focuses
on
the
synthesis,
characterization,
performance
of
GZO
nanoparticles
(NPs),
specifically
targeting
CO₂
detection,
which
is
crucial
for
environmental
monitoring
industrial
safety.
The
samples
were
synthesized
using
a
sol–gel
method,
their
crystal
structure
was
determined
through
X-ray
diffraction
(XRD),
confirming
successful
incorporation
gallium
into
ZnO
lattice.
photoelectron
spectroscopy
(XPS)
employed
analyze
samples'
elemental
composition
state,
revealing
presence
Ga
matrix
providing
insights
doping
effects.
Transmission
electron
microscopy
(TEM)
combined
with
energy-dispersive
(EDS)
used
confirm
purity
distribution
samples,
ensuring
homogeneity
doping.
In-situ
TEM
measurements
also
conducted
one
three
smallest
size.
experiment
involved
exposing
sample
argon
(Ar)
as
reference
gas
carbon
dioxide
(CO₂)
target
evaluate
sensor's
response
under
real-time
conditions.
in-situ
provided
nanoscale
observation
changes
parameters,
particularly
d-spacing,
exhibited
alterations
exceeding
3.2%
when
exposed
Ar
gases.
Furthermore,
paramagnetic
resonance
(EPR)
optical
joint
density
states
(OJDS)
analyses
performed
examine
defects
comprehensively
understand
electronic
within
sample,
respectively.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
The
emergence
of
innovative
2D
materials
represents
a
significant
evolution
in
science,
heralding
new
opportunities
for
the
advancement
information
technologies
era
succeeding
Moore's
law.
These
span
various
categories,
including
semi‐metallic,
semiconductor,
and
insulating
types,
showcasing
their
versatility.
exceptional
characteristics
these
atomically
thin
planar
herald
miniaturization
devices.
Integrating
into
field‐effect
transistors
(FETs)
with
sub‐nanometer
scale
gate
architectures
demonstrates
typical
switching
behaviors,
confirming
applicability
integrated
circuits.
Concurrently,
development
wafer‐level
silicon‐compatible
manufacturing
techniques
specifically
designed
devices
underscores
promise
nanoelectronics
nanophotonics.
Particularly,
Molybdenum
disulfide
(MoS
2
)
stands
out
its
direct
bandgaps
bound
excitons,
offering
profound
implications
advancing
This
review
investigates
intrinsic
structure
properties
MoS
,
evaluates
methods
wafer‐scale
synthesis,
examines
critical
applications
nanoelectronics,
such
as
FETs,
photodetectors,
memristors,
alongside
nanophotonics
like
nano‐scale
laser
sources,
exciton‐plasmon
interaction
advanced
sensing
applications,
photoluminescence
manipulation.
Additionally,
this
addresses
current
challenges
future
prospects
developing
‐based
next‐generation
nanoelectronic
nanophotonic
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Oct. 18, 2024
N-butanol
is
well
known
to
be
a
flammable
and
harmful
liquid
that
potential
threat
human
health
property.
Therefore,
it
important
monitor
the
concentration
of
n-butanol
in
surroundings.
The
need
for
highly
efficient
toxic
gas
detection
urgent
has
been
driving
research
on
sensors
practical
applications.
Molybdenum
disulfide
(MoS2)
attracting
significant
interest
at
room
temperature.
Herein,
we
report
biofunctionalized
magnetic
nanoparticles
incorporated
MoS2
sensing
n-butanol.
biosynthesized
magnetite
(CT-Fe3O4)
were
synthesized
by
addition
Cinnamomum
Tamala
(CT)
leaf
extract,
subsequently,
nanocomposite
was
using
hydrothermal
method.
Highly
sensitive
based
MoS2-CT-Fe3O4
fabricated
tested
different
concentrations
nanocomposites
showed
good
performance
(
$$\Delta$$
R/Rair
%)
72%
towards
20
ppm
n-butanol,
indicating
use
