Langmuir,
Год журнала:
2024,
Номер
41(1), С. 1068 - 1077
Опубликована: Дек. 31, 2024
The
increasing
demand
for
energy
in
cooling
systems
due
to
global
warming
presents
a
significant
challenge.
Conventional
air-conditioning
methods
exacerbate
climate
change
by
contributing
heightened
carbon
emissions.
Glass
facades,
renowned
modern
architecture
their
versatility
and
aesthetic
appeal,
inadvertently
trap
solar
radiation,
resulting
heat
buildup
the
greenhouse
effect.
To
tackle
these
issues,
we
utilized
roll-to-flat
light-curing
technology
develop
hydrogel
coating
on
glass
substrate
with
assistance
of
ultraviolet
(UV)
adhesive.
This
water-contained
selectively
absorbs
infrared
light
while
allowing
visible
transmission,
thereby
maintaining
transparency.
Leveraging
absorption
partial
as
active
liquid-to-gaseous
phase
enthalpy
water
passive
cooling,
significantly
reduces
room
temperatures
up
8.1
°C
under
0.75
sun
irradiation,
corresponding
total
power
about
192.6
W
m–2.
study
introduces
novel
approach
transparent
energy-saving
buildings,
added
potential
resource
recycling.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
12(14), С. 5695 - 5704
Опубликована: Март 27, 2024
Daytime
passive
radiative
cooling
is
an
effective
way
to
reduce
energy
consumption
for
building
cooling.
However,
overcooling
might
occur
in
at
low-temperature
which
presents
limitations
thermal
management.
Herein,
a
new
SiO2/poly(vinyl
alcohol)
composite
aerogel
with
nanomicro–multistage
porous
structure
insulation
and
was
fabricated
by
non-solvent-assisted
freeze-drying
strategy.
In
the
fabrication
process,
nonsolvent
(acetone)
poly(vinyl
utilized
control
proportion
size
of
macro-porous
inside
aerogel,
making
conductivity
decreased
0.0390
W/mK
while
spontaneously
increasing
its
solar
reflectance
infrared
(8–13
μm)
emissivity
93.70%
98.19%,
respectively.
The
achieved
sub-ambient
up
14.1
°C
during
day
above-ambient
warming
3.8
night,
avoiding
nighttime
overcooling.
demonstrates
adaptive
management
compared
commercial
materials,
it
suitable
intelligent
energy-saving
buildings.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 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.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
Radiative
cooling
technology
has
major
benefits
for
energy-free
thermoregulation
since
it
can
chill
items
without
using
any
energy.
However,
the
efficacy
of
radiative
materials
is
hampered
by
outdoor
pollution
as
well
a
number
safety
issues
involved
in
practical
applications,
particular,
fire
hazard
polymer-based
materials.
Here,
porous
composite
film
was
created
and
manufactured
that
flame-retardant,
cooling,
superhydrophobic.
The
average
infrared
emissivity
reached
97.2%
with
an
solar
reflectance
up
to
98.4%.
It
produced
subambient
environment,
temperature
decrease
11.5
°C.
With
sliding
angle
3.6°
water
contact
158.7°,
surface
exhibits
conventional
self-cleaning
properties
Notably,
flame-retardant
limiting
oxygen
index
38.3%,
which
suitable
requirements.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(32), С. 20921 - 20926
Опубликована: Янв. 1, 2024
A
bilayer
coating
consisting
of
a
white
base
and
fluorescent
blue
top
layer
is
designed
for
subambient
cooling.
The
enhanced
photoluminescence
high
scattering
properties
are
the
key
parameters
realizing
whole-color-gamut
