Sensors,
Journal Year:
2024,
Volume and Issue:
24(14), P. 4560 - 4560
Published: July 14, 2024
This
research
enhances
ethanol
sensing
with
Fe-doped
tetragonal
SnO2
films
on
glass,
improving
gas
sensor
reliability
and
sensitivity.
The
primary
objective
was
to
improve
the
sensitivity
operational
efficiency
of
sensors
through
Fe
doping.
were
synthesized
using
a
flexible
adaptable
method
that
allows
for
precise
doping
control,
energy-dispersive
X-ray
spectroscopy
(EDX)
confirming
homogeneous
distribution
within
matrix.
A
morphological
analysis
showed
surface
structure
ideal
sensing.
results
demonstrated
significant
improvement
in
response
(1
20
ppm)
lower
temperatures
compared
undoped
sensors.
exhibited
higher
sensitivity,
enabling
detection
low
concentrations
showing
rapid
recovery
times.
These
findings
suggest
interaction
between
molecules
surface,
performance.
mathematical
model
based
diffusion
porous
media
employed
further
analyze
optimize
considers
matrix,
considering
factors
such
as
morphology
concentration.
Additionally,
choice
electrode
material
plays
crucial
role
extending
sensor’s
lifespan,
highlighting
importance
selection
design.
Sensors,
Journal Year:
2025,
Volume and Issue:
25(2), P. 376 - 376
Published: Jan. 10, 2025
ZnO/MOx
(M
=
FeIII,
CoII,III,
NiII,
SnIV,
InIII,
GaIII;
[M]/([Zn]
+
[M])
15
mol%)
nanofiber
heterostructures
were
obtained
by
co-electrospinning
and
characterized
X-ray
diffraction,
scanning
electron
microscopy
fluorescence
spectroscopy.
The
sensor
properties
of
ZnO
nanofibers
studied
toward
reducing
gases
CO
(20
ppm),
methanol
acetone
oxidizing
gas
NO2
(1
ppm)
in
dry
air.
It
was
demonstrated
that
the
temperature
maximum
response
is
primarily
influenced
binding
energy
chemisorbed
oxygen
with
surface
modifier's
oxides.
When
detecting
NO2,
high
sensitivity
at
a
low
measurement
can
be
achieved
concentration
free
electrons
near-surface
layer
zinc
oxide
grains,
which
determined
band
bending
interface
difference
work
function
MOx.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(46), P. 31737 - 31772
Published: Nov. 5, 2024
Electrospun
nanofibers
have
become
an
important
component
in
fabricating
flexible
electronic
devices
because
of
their
permeability,
flexibility,
stretchability,
and
conformability
to
three-dimensional
curved
surfaces.
This
review
delves
into
the
advancements
adaptable
using
electrospun
as
substrates
explores
diverse
innovative
applications.
The
primary
development
key
for
is
summarized.
After
briefly
discussing
principle
electrospinning,
process
parameters
that
affect
two
major
electrospinning
techniques
(i.e.,
single-fluid
multifluid
electrospinning),
shines
a
spotlight
on
recent
breakthroughs
multifunctional
stretchable
are
based
substrates.
These
include
sensors,
energy
harvesting
storage
devices,
accessories
environmental
monitoring
devices.
In
particular,
outlines
challenges
potential
solutions
developing
including
overcoming
incompatibility
multiple
interfaces,
3D
microstructure
sensor
arrays
with
gradient
geometry
various
imperceptible
on-skin
etc.
may
provide
comprehensive
understanding
rational
design
application-oriented
nanofibers.
