Advanced Composites and Hybrid Materials,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: Jan. 7, 2025
Abstract
Optical
fiber
sensors
are
widely
utilized
for
their
precision,
stability,
adjustable
functionality,
and
minimal
signal
degradation.
They
excel
in
detecting
diverse
parameters,
even
challenging
situations
where
conventional
may
falter.
This
study
aims
to
create
a
novel
optical
sensor
capable
of
concurrently
both
temperature
ultraviolet
(UV)
radiation.
The
was
fabricated
using
digital
light
processing
3D
printing
technique.
photocurable
resin
the
prepared
by
incorporating
thermochromic
powder
UV-sensitive
powders
into
polyethylene
glycol
diacrylate
hydroxyethyl
methacrylate
polymer
blend
multi-material
printing.
fibers
were
printed
two
distinct
orientations:
horizontal
vertical.
characterization
these
carried
out
measuring
transmission
reflection
customized
measurement
setups.
vertically
oriented
exhibit
more
reflectivity,
whereas
horizontally
demonstrate
higher
transmission,
owing
layering
phenomenon.
significant
variation
spectra,
making
them
ideal
dual
sensing.
A
notable
change
percentage
at
600
nm
observed
temperatures
25℃,
35℃,
45℃,
reducing
from
12.13
9.5%,
17.31
15.6%,
19.62
17.98%
upon
exposure
UV
radiation,
respectively.
presence
radiation
fluctuations
can
be
easily
distinguished
analyzing
spectra.
proposed
provide
promising
sensing
platform
applications
continuous
monitoring
detection
is
required.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(19), P. 6715 - 6753
Published: Jan. 1, 2023
This
review
not
only
highlights
the
progress
of
emission
and
electronic
behaviour
new
pyrene-based
luminescence
molecules
in
aggregated
state,
but
also
provides
a
perspective
for
understanding
mechanism
optoelectronic
properties
pyrenes.
Polymer,
Journal Year:
2024,
Volume and Issue:
303, P. 127120 - 127120
Published: May 1, 2024
A
piezoresistive
flexible
strain
sensor
was
developed
using
thermoplastic
polyurethane
elastomers
(TPU)
as
the
matrix
and
carbon
nanotubes
(CNTs)
conductive
fillers.
Sensitivity,
range,
tensile
cycling
stability
were
concurrently
considered
during
its
design.
Electrospun
TPU
fiber
membranes
prepared
via
electrospinning
in
this
experiment,
with
controllable
diameter
achieved
by
adjusting
rotational
speed
of
receiving
drum.
CNTs
incorporated
into
a
polymer
substrate
through
suction
filtration
to
create
sensor.
The
support
structure
electrospun
film
served
carrier
for
uniformly
adhering
particles.
Well-dispersed
could
more
easily
achieve
uniform
loading
pore
size
film,
thereby
forming
layer.
This
study
initially
determined
influence
content
spinning
solution
on
morphology
membrane.
Subsequently,
effects
CNT
drum
microstructure
investigated,
along
their
impact
microstructure,
mechanical
properties,
sensing
performance
CNTs/TPU
(CT)
sensors.
results
indicate
that
membrane
under
conditions
mass
fraction
20
wt%
100
r/min
has
larger
average
stable
scaffold
structure.
sensor,
filtering
10
mL
concentration
2
mg/mL,
exhibited
best
strength
elongation
at
break
6.22
MPa
575%,
respectively.
Additionally,
it
demonstrated
high
sensitivity
(GF=420.17
200%
strain)
excellent
durability
(300
cycle
tests),
enabling
quick
accurate
responses
movements
various
parts
human
body,
meeting
basic
usage
requirements