In
the
past
years,
a
great
deal
of
attention
has
been
paid
to
passive
cooling
envelope
materials
or
smart
windows
cope
with
increase
in
building
energy
consumption
due
global
warming.
However,
combining
curtains
could
enable
on-demand
thermal
management
based
on
its
dynamically
adjustable
characteristics.
Herein,
superhydrophobic
cotton
fabric
low
conductivity
(0.0342
W/mK),
high
solar
reflectivity
(0.9280)
and
infrared
emissivity
(0.9698)
was
obtained
by
wrapping
porous
SiO2/poly(vinylidene
fluoride-hexafluoropropylene)
composite
coating
via
solvent
exchange
phase
separation
sanding.
The
fabrics
realized
an
average
10.3℃
during
daytime
showed
impressive
performance
relative
pristine
cotton.
Notably,
demonstrated
superior
nighttime
insulation
outdoor
testing
simulations
compared
commercial
curtains.
Therefore,
as
allow
for
reducing
broadening
practical
application
radiative
materials.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Radiative
cooling
technology
is
gaining
prominence
as
a
sustainable
solution
for
improving
thermal
comfort
and
reducing
energy
consumption
associated
with
demands.
To
meet
diverse
functional
requirements
such
aesthetics,
switchable
cooling,
camouflage,
colored
smart
windows,
color
often
preferred
over
white
opaque
appearance
in
the
design
of
radiative
materials.
Colored
(CRC)
has
emerged
prevailing
not
only
achieving
colorful
but
also
increasing
effective
solar
reflectance
to
enhance
performance
(through
incorporation
fluorescent
materials).
This
paper
reviews
recent
advancements
CRC
its
profound
impact
on
savings
real-world
applications.
After
introducing
fundamentals
characterization,
various
photonic
approaches
are
explored
that
leverage
resonant
structures
achieve
coloration
comparing
them
conventional
methods
based
optical
materials
like
pigments
can
convert
absorbed
ultraviolet
light
into
visible-light
emission.
Furthermore,
review
delves
self-adaptive
featuring
dynamic
modulation
responds
temperature
fluctuations.
Lastly,
potential
application
assessed,
comprehensive
outlook
their
future
development
offered,
critical
challenges
practical
applications
discussed.
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Abstract
This
paper
analyzes
the
potential
to
mitigate
global
warming
using
radiative
cooling
(RC)
surfaces
on
a
large
scale.
The
study
evaluates
net
power,
forcing
(RF),
and
of
different
RC
materials
compared
conventional
construction
roofing
materials,
Earth's
natural
surfaces,
some
reference
cases.
Key
parameters
for
evaluating
above‐mentioned
structures
include
their
solar
reflectance
(albedo)
long‐wavelength
infrared
emissivity.
Results
show
power
that
can
be
achieved
by
an
ideal
material
with
100%
long‐wave
emissivity
is
164.8
W·m
−2
.
In
practice,
exhibiting
as
high
160.8
are
fabricated.
Further
analysis
shows
if
1%
surface
covered
this
terrestrial
RF
will
decrease
1.61
(from
0.6
−1.01
).
results
demonstrate
reflectivity
offer
substantial
benefits
reduce
when
implemented
scales.
findings
underscore
effectiveness
in
reducing
provide
valuable
perspective
role
environmental
impacts
built
environment.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 5, 2024
Abstract
Passive
radiative
cooling
is
a
promising
technology
that
can
achieve
high‐efficient
by
reflecting
solar
radiation
while
simultaneously
emitting
heat
without
consuming
energy.
However,
to
precisely
construct
the
microstructure
of
materials
crucial
maximize
their
performance.
Herein,
self‐cleaning
and
anticorrosive
3D
silica
microsphere@boron
nitride
nanosheets
core–shell
hierarchical
structure
(SiO
2
@BNNSs)
stacked
coating
fabricated
on
surface
aluminum
oxide
substrate.
The
cooperative
integration
prominently
sunlight
reflective
BNNSs
highly
selective
infrared
emissive
SiO
microspheres,
combined
with
scattering
brought
interconnecting
configuration,
results
in
an
outstanding
reflectance
0.84
mid‐infrared
emittance
0.82
for
@BNNS
coating.
These
features
enable
exhibit
excellent
passive
performances
high
temperature
drop
≈17.5
°C
sunny
day
≈8.1
overcast
day,
respectively.
More
importantly,
also
exhibits
performance
corrosion
resistance
both
acidic
alkaline
conditions,
ensuring
preeminent
stability
over
long
time
various
practical
applications.
This
work
demonstrates
hybridization
reflection,
scattering,
different
through
reasonable
design
cooling,
offering
prospect
energy‐saving
technology.
