Molecules,
Journal Year:
2024,
Volume and Issue:
29(18), P. 4412 - 4412
Published: Sept. 17, 2024
Food
safety
significantly
impacts
public
health
and
social
welfare.
Recently,
issues
such
as
heavy
metal
ions,
drug
residues,
food
additives,
microbial
contamination
in
have
become
increasingly
prominent.
Electrochemical
sensing
technology,
known
for
its
low
cost,
simplicity,
rapid
response,
high
sensitivity,
excellent
selectivity,
has
been
crucial
detection.
Electrospun
nanofibers,
with
their
specific
surface
area,
superior
mechanical
properties,
design
flexibility,
offer
new
insights
technical
platforms
developing
electrochemical
sensors.
This
study
introduces
the
fundamental
principles,
classifications,
detection
mechanisms
of
sensors,
along
principles
classifications
electrospinning
technology.
The
applications
electrospun
nanofiber-based
sensors
over
past
five
years
are
detailed,
limitations
future
research
prospects
discussed.
Continuous
innovation
optimization
expected
to
make
a
key
technology
detection,
providing
valuable
references
expanding
application
advancing
methods.
Sensors,
Journal Year:
2024,
Volume and Issue:
24(10), P. 2962 - 2962
Published: May 7, 2024
Electrospinning
has
revolutionized
the
field
of
semiconductor
metal
oxide
(SMO)
gas
sensors,
which
are
pivotal
for
detection.
SMOs
known
their
high
sensitivity,
rapid
responsiveness,
and
exceptional
selectivity
towards
various
types
gases.
When
synthesized
via
electrospinning,
they
gain
unmatched
advantages.
These
include
porosity,
large
specific
surface
areas,
adjustable
morphologies
compositions,
diverse
structural
designs,
improving
gas-sensing
performance.
This
review
explores
application
variously
structured
composed
prepared
by
electrospinning
in
sensors.
It
highlights
strategies
to
augment
performance,
such
as
noble
modification
doping
with
transition
metals,
rare
earth
elements,
cations,
all
contributing
heightened
sensitivity
selectivity.
We
also
look
at
fabrication
composite
polymers
or
carbon
nanofibers,
addresses
challenge
operating
temperatures.
Furthermore,
this
discusses
advantages
hierarchical
core-shell
structures.
The
use
spinel
perovskite
structures
is
explored
unique
chemical
compositions
crystal
structure.
useful
methodologies
emphasize
critical
role
innovative
material
integration
design
achieving
high-performance
pointing
toward
future
research
directions
rapidly
evolving
field.
In
this
work,
a
low-temperature
formaldehyde
sensor
based
on
hydrothermally
synthesized
tin
dioxide/tin
selenide
(SnO2/SnSe2)
nanostructure
was
demonstrated.
The
SnO2
nanosheets
were
decorated
the
SnSe2
nanoblocks.
microstructural
characterization
proves
unique
morphology.
At
150
°C,
SnO2/SnSe2
composite
gas
exhibits
more
than
three
times
response
to
compared
pure
SnO2,
with
of
13.47
10
ppm
and
recovery
time
63
s/12
s.
addition,
is
capable
detecting
at
ppb
level.
also
excellent
repeatability,
long-term
performance
stability,
resistance
humidity
interference.
n–n
heterojunction
formed
between
SnSe2,
along
its
microstructure,
significantly
enhances
sensor.
adsorption
behavior
molecules
sensitive
material
surfaces
studied
by
using
density
functional
theory.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(6), P. 839 - 839
Published: March 19, 2024
Due
to
its
designable
nanostructure
and
simple
inexpensive
preparation
process,
electrospun
nanofibers
have
important
applications
in
energy
collection,
wearable
sports
health
detection,
environmental
pollutant
filtration
degradation,
other
fields.
In
recent
years,
a
series
of
polymer-based
fiber
materials
been
prepared
using
this
method,
detailed
research
discussion
conducted
on
the
material
structure
performance
factors.
This
article
summarizes
effects
parameters,
factors,
combination
methods,
surface
modification
electrospinning
properties
composite
nanofibers.
Meanwhile,
different
collection
devices
parameters
were
compared.
Subsequently,
it
summarized
design
specific
device
power
supply,
sensing,
air
quality
pollution
particle
filtration,
degradation.
We
aim
review
latest
developments
inspire
new
treatment
equipment,
achieve
commercial
promotion
polymer
fibers
fields
environment.
Finally,
we
identified
some
unresolved
issues
detection
with
proposed
suggestions
ideas
for
these
issues.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(27), P. 29840 - 29847
Published: June 27, 2024
Nanofibers
made
of
different
materials
have
been
continuously
studied
and
widely
used
as
membranes
due
to
their
simple
fabrication
techniques
tunable
surface
characteristics.
In
this
work,
we
developed
polyacrylonitrile
(PAN)
nanofiber
by
the
electrospinning
method
blended
them
with
polysulfone
(PSU)
obtain
superhydrophobic
surfaces
on
fiber
structures.
The
scanning
electron
microscopy
(SEM)
images
show
that
fabricated
nanofibers
smooth
continuous
morphology.
addition,
observe
effect
PSU-based
blending
material,
Fourier-transform
infrared
(FTIR)
spectra
samples
were
acquired,
providing
chemical
compositions
bare
PSU-blended
PAN
nanofibers.
PSU/PAN
composite
a
diameter
range
222–392
nm.
terms
wettability,
measured
water
contact
angle
(WCA)
value
was
improved
from
(14
±
1)°
(156
6)°,
(160
4)°,
(158
4)°
after
being
PSU
solutions
having
concentrations
0.5,
1,
1.5,
2
wt
%,
respectively.
This
result
has
proven
can
be
tuned
hydrophilic
characteristics
simply
introducing
into
solution
prior
electrospinning,
where
small
concentration
0.5%
sufficient
provide
desired
effect.
Owing
its
low-cost
highly
efficient
process,
strategy
may
further
explored
for
other
types
polymer-based
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.
Journal of Alloys and Compounds,
Journal Year:
2023,
Volume and Issue:
976, P. 173110 - 173110
Published: Dec. 12, 2023
The
creation
of
ultra-high
surface
areas
heterostructures
based
on
p-n
NiO-CeO2
hierarchical
nanospheres
and
nanosheet-assembled
Ag-loaded
is
reported,
employing
a
straightforward
hydrolysis
method.
A
porous
heterostructure
was
produced
by
an
improved
24
h
urea
synthesis
reaction
time,
while
the
addition
Ag
nanoparticles
reduced
grain
size
remarkable
area
472
m2
g-1
with
significant
number
adsorption
sites.
For
1.0
wt.%
heterostructure,
optical
band
decreased
from
3.01
to
2.37
eV.
Photoluminescence
experiments
revealed
larger
defects
for
provided
additional
evidence
band.
Therefore,
compared
its
counterparts,
demonstrated
superior
ethanol
sensing,
excellent
sensitivity
0.81
ppm−1,
ultra-low
limit
detection
1.23
ppb,
towards
vapor
at
100
°C.
sensing
mechanism
illustrated
that
greater
gas-sensing
characteristics
were
associated
catalytic
effect
electronic
sensitization
AgO
engineering
extraordinary
specific
providing
sufficient
active
sites
gas,
highly
structures,
interlayer
gap,
which
accelerated
diffusion,
leading
enhanced
response
speed
sensor.
this
study
simplistic
approach
Ag/NiO-CeO2
microspheres
performance.
