ACS Applied Engineering Materials,
Год журнала:
2024,
Номер
2(12), С. 2970 - 2983
Опубликована: Дек. 3, 2024
Carbon-based
nanofibers
are
critical
materials
with
broad
applications
in
industries
such
as
energy,
filtration,
and
biomedical
devices.
Polyacrylonitrile
(PAN)
is
a
primary
precursor
for
carbon
nanofibers,
but
conventional
electrospinning
techniques
typically
operate
at
low
production
rates
of
0.1-1
mL/h
from
single
spinneret,
limiting
scalability.
In
this
study,
we
introduce
novel
liquid-assisted
ultrahigh-speed
(LAUHS-ES)
technique
that
achieved
actual
over
220
times
faster
than
methods.
This
dramatic
increase
throughput
through
Taylor
cone
stabilization
using
thin
layer
liquid
sheath,
allowing
without
compromising
the
structural
integrity
or
uniformity
nanofibers.
Comprehensive
characterization,
including
scanning
electron
microscopy
(SEM),
atomic
force
(AFM),
Fourier-transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
confirmed
high
quality,
consistency,
crystallinity
produced
Our
results
demonstrate
PAN
nanofiber
fabrication
can
be
scaled
up
significantly
while
maintaining
precise
control
fiber
morphology
performance.
advancement
holds
substantial
promise
large-scale
industrial
applications,
enabling
more
efficient
cost-effective
carbon-based
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
17(19), С. 27629 - 27650
Опубликована: Апрель 30, 2025
Passive
daytime
radiative
cooling
(PDRC)
is
a
sustainable
technology
that
reduces
temperature
by
utilizing
materials
with
high
solar
reflectance
and
thermal
emittance
to
provide
without
electricity.
However,
its
performance
often
compromised
dust
environmental
contamination,
even
minimal
deposition
(0.1
mg/cm2)
reducing
capacity
∼7.1
W/m2.
To
overcome
this,
superhydrophobicity
has
been
integrated
into
PDRC
systems
through
various
techniques
materials.
This
Review
explores
superhydrophobic
(SH-PDRC)
systems,
examining
their
principles,
preparation
strategies,
material
innovations.
Advanced
fabrication
methods,
including
electrohydrodynamics,
phase
separation,
chemical
vapor
deposition,
layered
patterns,
have
enabled
the
development
of
hierarchical
structures
optimize
reflectance,
infrared
emissivity,
water
repellency.
A
variety
polymeric,
inorganic,
hybrid
used
achieve
durability,
stability,
resilience.
These
are
tailored
enhance
for
long-term
use
in
extreme
conditions,
ensuring
efficiency.
SH-PDRC
potential
applications
wearable
textiles,
agricultural
greenhouses,
food
preservation,
demonstrating
versatility.
By
summarizing
recent
progress
challenges,
this
aims
researchers
clear
guidelines
fabricating
advanced
enhanced
performance,
efficiency,
paving
way
designing
future
cooling.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 4, 2025
Maintaining
a
stable
body
temperature
proves
to
be
critical
for
human
survival
and
functional
capacity.
However,
conventional
textiles
exhibit
significant
limitations
in
preserving
thermoregulatory
microenvironments
during
dynamic
climatic
variations.
Herein,
we
present
dual-mode
textile
(DMT)
that
combines
radiative
cooling
solar
thermal
harvesting
technology
achieve
year-round
passive
regulation.
The
DMT
layer
demonstrates
an
impressive
performance
with
96.1%
reflectance
92.0%
mid-infrared
emissivity.
Under
direct
sunlight,
it
achieves
average
drop
of
6.37
°C,
corresponding
power
53.3
W/m2.
In
heating
mode,
its
high
absorptivity
90%
results
increase
16.3
°C
compared
ambient
temperature.
Additionally,
the
demonstrated
excellent
mechanical
properties
water
vapor
permeability.
Real-world
wear
tests
shows
2.3
reduction
plain
white
cotton
T-shirt,
along
performance.
Furthermore,
simulations
indicate
could
cool
by
∼5
summer
insulate
∼13
winter
clothing.
On
whole,
this
work
enables
management
across
varying
conditions,
introducing
possibilities
rational
design
next-generation
smart
textiles.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 6, 2025
Radiative
cooling
has
shown
excellent
applications
in
the
fields
of
thermal
regulation,
UV
protection
clothing,
power
generation,
and
water
harvesting
due
to
its
ability
cool
without
energy
consumption
pollution
emission,
thus
being
a
potential
green
pathway
curb
global
warming.
Herein,
double-needle
electrospinning
was
employed
construct
sandwich
nanofiber
fabrics
with
beaded
nanofibers
encapsulating
large-sized
SiO2
photons
for
achieving
daytime
nighttime
radiative
cooling.
The
fabric
is
capable
lifting
weight
594.1
g,
demonstrating
superior
mechanical
properties.
Because
reflectivity
improved
by
structure
infrared
Fröhlich
resonance
enhanced
photons,
this
endowed
high
solar
97.8%
an
emissivity
98.7%,
average
9
°C.
Moreover,
possessed
UPF
132,
TUVA
1.76%,
TUVB
0.49%
because
eminent
reflectivity,
which
displayed
outstanding
performance.
also
demonstrated
hydrophobicity.
Thanks
satisfactory
ability,
successfully
applied
management,
thermoelectric
atmospheric
harvesting,
greatly
promoting
development
textiles.
