Characterization and Application of Nanomaterials,
Journal Year:
2023,
Volume and Issue:
6(2), P. 4870 - 4870
Published: Dec. 26, 2023
This
state-of-the-art
overview
emphasizes
electrospinning
technique
and
resulting
electrospun
nanofibers
nanofibrous
membranes.
Consequently,
the
method
as
well
formation
features
of
nanofiber/membrane
nanomaterials
have
been
described.
Properties
found
to
be
enhanced
several
folds
through
incorporation
carbon
nanoparticles
in
nanofibers.
Important
properties
utilizations
nanocomposite
were
seemed
affected
by
nanoparticle
amount
dispersal.
Importantly,
diameter,
microstructure,
physical
(thermal,
mechanical,
conductive,
etc.)
membranes
can
nanofiller
behavior.
The
high
performance
used
form
efficient
Sequentially,
applied
technical
membrane
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 2, 2024
Abstract
Inorganic
semiconductor
gas
sensors,
being
widely
utilized
in
gas‐sensing
applications,
face
significant
challenges
attaining
mechanical
flexibility
and
humidity
resistance
wearable
sensing
fields.
Herein,
a
highly
flexible,
breathable,
hydrophobic
all‐inorganic
self‐supporting
nanofiber
(NF)
sensor
is
developed
using
electrospinning
combined
with
thermal
sulfidation
approach.
This
innovative
features
bilayer
configuration,
an
amorphous
SiO
2
substrate
layer
interwoven
SnO
–SnS
active
layer.
The
relatively
low
elastic
modulus
of
the
nanofibers,
three‐dimensional
network
structure,
endow
–SiO
/SiO
superior
flexibility.
exhibits
excellent
sensitivity,
selectivity,
moisture
resistance,
cycling
stability
(>10
000
cycles
at
140°
bending)
to
both
high
concentration
NO
.
Notably,
flexible
detecting
capability
,
asthma‐related
biomarker,
demonstrated
ultralow
concentrations
(≈25
ppb)
simulated
exhaled
breath
environments.
enhanced
attributed
effective
inhibition
hydrogen
bond
formation
from
H
O
molecules
by
Sn─S
bonds
formed
through
nanofibers.
work
represents
substantial
advancement
universal
fabrication
breathable
moisture‐resistant
inorganic
sensors
for
applications.
Journal of the American Ceramic Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Abstract
This
study
presents
the
development
of
a
groundbreaking
acetone
gas
sensor
leveraging
Cl‐doped
ZnO
nanodisks,
designed
to
operate
efficiently
at
low
temperatures.
Through
comprehensive
experimental
and
theoretical
analyses,
they
have
elucidated
exceptional
sensing
capabilities
nanodisks.
Both
undoped
with
varying
chlorine
concentrations
were
synthesized
on
Si/SiO
2
substrates
using
straightforward
thermal
evaporation
method
in
tube
furnace.
Notably,
morphology
pure
formed
microdisks,
whereas
transitioned
increased
Cl
doping,
it
further
evolved
into
nanoplates.
X‐ray
diffraction
x‐ray
photoelectron
spectroscopy
(XPS)
confirmed
successful
substitution
oxygen
ions
ions.
Enhanced
photoluminescence
XPS
analyses
revealed
that
contained
significantly
higher
density
vacancies
compared
ZnO.
The
exhibited
an
outstanding
sensitivity
approximately
40
impressive
selectivity
55%
toward
100
ppm
80°C.
doping
markedly
improved
sensor's
response
recovery
times,
enabling
detection
as
225
ppb
80°C—a
remarkable
achievement
unattainable
All
characterization
results
strongly
indicate
play
pivotal
role
enhancing
gas‐sensing
performance
Cutting‐edge
functional
theory
calculations
uncovered
significant
interactions
between
through
charge
variations
band
structure
analysis.
These
resulted
notable
changes
states,
including
distinct
peak
near
−3
eV,
indicating
enhanced
sensitivity.
Physica B Condensed Matter,
Journal Year:
2024,
Volume and Issue:
676, P. 415687 - 415687
Published: Jan. 12, 2024
Nickel
titanate
(NiTiO3)
and
zinc
(ZnTiO3)
perovskite
nanostructures
were
fabricated
via
a
facile
microwave-assisted
hydrothermal
method,
followed
by
loading
1
wt%
of
Pt
using
precipitation
method
to
obtain
Pt–NiTiO3
Pt–ZnTiO3.
Scanning
electron
microscope
revealed
tube-like
arrangement
the
NiTiO3
nanoparticles
porous
network
ZnTiO3
nanoparticles.
X-ray
powder
diffraction
confirmed
single-phase
ilmenite
structure
both
nanoparticles,
which
was
further
preserved
after
Pt-loading.
UV–Vis
diffused
reflectance,
photoelectron
yield,
photoluminescence
as
well
x-ray
spectroscopy
analyses
provided
insight
into
energy
band
gap,
ionization
energy,
type
defects
present
in
synthesized
titania
perovskites.
The
gas
sensing
results
that
Pt-loading
enhanced
sensitivity
induced
selective
detection
NO2
among
other
tested
corrosive
gases,
such
CO2,
SO2.
This
improvement
justified
synergetic
contribution
catalytic
ability
metal/semiconductor
heterojunction
leading
improved
adsorption.
