Advanced Functional Materials,
Год журнала:
2023,
Номер
33(46)
Опубликована: Сен. 1, 2023
Abstract
Smart
window
is
promising
to
save
building
energy
and
reduce
carbon
emissions.
The
fast
development
leads
a
high
demand
for
multifunctionality
not
limited
saving,
while
the
material
design
fabrication
are
challenging.
Herein,
scalable
method
developed
tri‐mode
light
regulations:
thermo‐,
mechano‐,
hydro‐/solvato‐chromisms.
film
constructed
of
bio‐inspired
hierarchical‐structured
surface
functional
elastomer
base.
Through
combined
experiments
simulations,
triple‐stimuli‐chromic
mechanisms
strain‐induced
structure
deformations,
wettability‐controlled
reflective
index
matches,
thermal‐responsive
nanostructural
resonances,
respectively
revealed.
Besides
good
energy‐saving
performance,
robust
shows
several
advantages:
1)
independent
privacy
functionalities,
2)
an
additional
hydro‐/solvato‐chromic
mode
control
in
extreme
circumstances,
3)
designable
patterns
colors
meet
aesthetic
demand.
work
may
inspire
future
multifunctional
smart
windows
spatio‐temporal
methods.
Abstract
Smart
windows
offer
a
sustainable
solution
for
energy‐efficient
buildings
by
adapting
to
various
weather
conditions.
However,
the
challenge
lies
in
achieving
precise
control
over
specific
sunlight
bands
effectively
respond
complex
changes
and
individual
needs.
Herein,
novel
electrochromic
smart
window
fabricated
integrating
self‐assembled
cellulose
nanocrystals
(CNCs)
layer
with
an
poly(3,4‐ethylenedioxythiophene):poly(styrene
sulfonic
acid)
(PEDOT:PSS)
is
reported,
which
exhibits
high
near‐infrared
transmittance,
low
solar
reflectivity
(26%),
infrared
emissivity
(20%)
winter,
(91%),
(≈94%)
summer.
Interestingly,
material
offers
dynamic
temperature
based
on
its
photothermal
properties,
maintaining
internal
of
within
comfortable
range
20–25
°C
from
morning
night,
particularly
winter
significant
daily
fluctuations.
Simulations
show
that
CNC‐PED
device
demonstrates
excellent
energy‐saving
CO
2
emission
reduction
capacities
across
global
climate
zones.
This
study
presents
feasible
pathway
constructing
season‐adaptive
windows,
making
them
suitable
buildings.
ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 465 - 488
Опубликована: Янв. 3, 2025
Metal–organic
frameworks
(MOFs)
boast
high
crystallinity,
porosity,
and
tunability,
making
them
highly
promising
materials
for
various
applications.
However,
most
MOFs
are
intrinsically
electrical
insulators,
limiting
their
use
in
electronic
energy
technologies.
Electrically
conductive
metal–organic
(EC-MOFs)
have
emerged
as
a
subclass
of
that
overcome
such
limitations
by
imparting
conductivity
while
preserving
the
advantageous
properties
conventional
MOFs.
This
advancement
expands
potential
applications
to
include
electrocatalysts,
capacitors,
storage
devices,
chemiresistive
sensors,
field-effect
transistors,
electrochromic
devices.
challenges
associated
with
processing
solid-state
materials,
fabrication
options
optimal
often
overlooked.
Review
focuses
on
recent
advancements
EC-MOF
applications,
emphasizing
chemical
design
principles
state-of-the-art
techniques.
We
aim
provide
insights
into
designing
fabricating
EC-MOFs
targeted
inspire
further
bridge
chemistry
practical
unlocking
full
EC-MOFs.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Abstract
Solar
heating
through
windows
significantly
increases
thermal
loads
in
buildings,
vehicles,
and
greenhouses.
In
particular,
overheating
parked
vehicles
under
direct
sunlight
poses
serious
safety
risks,
with
numerous
reports
linking
high
interior
temperatures
to
heat‐related
fatalities
among
children
pets.
To
address
this
challenge,
a
durable
thermochromic
hydrogel
dual‐network
structure
of
hydroxypropyl
cellulose
(HPC)
polyacrylamide
(PAAM),
enhanced
by
calcium
chloride
(CaCl
2
)
for
tunable
transition
temperature
is
developed.
Through
ion
chelation
hydrogen
bonding,
the
transitions
between
transparent
opaque
states
across
wide
range
(15–42
°C),
adapting
various
environments.
Encapsulated
acrylic
sheets
as
smart
windows,
achieves
passive
cooling,
reducing
vehicle
up
10
°C
sunlight.
The
material
also
exhibits
excellent
mechanical
strength,
water
retention,
long‐term
stability
(400
cycles),
ensuring
real‐world
reliability.
These
results
demonstrate
hydrogel's
potential
scalable
applications
sustainable
building
facades,
greenhouse
coverings,
offering
an
energy‐efficient,
eco‐friendly
solution
management.
Unlike
existing
technologies
requiring
external
power
or
complex
fabrication,
operates
passively,
making
it
cost‐effective
alternative.
This
innovation
addresses
critical
energy
challenges
while
advancing
next‐generation
energy‐efficient
materials
global
sustainability
goals.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(46)
Опубликована: Сен. 1, 2023
Abstract
Smart
window
is
promising
to
save
building
energy
and
reduce
carbon
emissions.
The
fast
development
leads
a
high
demand
for
multifunctionality
not
limited
saving,
while
the
material
design
fabrication
are
challenging.
Herein,
scalable
method
developed
tri‐mode
light
regulations:
thermo‐,
mechano‐,
hydro‐/solvato‐chromisms.
film
constructed
of
bio‐inspired
hierarchical‐structured
surface
functional
elastomer
base.
Through
combined
experiments
simulations,
triple‐stimuli‐chromic
mechanisms
strain‐induced
structure
deformations,
wettability‐controlled
reflective
index
matches,
thermal‐responsive
nanostructural
resonances,
respectively
revealed.
Besides
good
energy‐saving
performance,
robust
shows
several
advantages:
1)
independent
privacy
functionalities,
2)
an
additional
hydro‐/solvato‐chromic
mode
control
in
extreme
circumstances,
3)
designable
patterns
colors
meet
aesthetic
demand.
work
may
inspire
future
multifunctional
smart
windows
spatio‐temporal
methods.
