Bio‐Inspired Multifunctional Smart Windows: Surface Wrinkle‐Crack for Dynamic Optical and Wettability Modulations
Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Smart
windows
are
promising
to
promote
building
energy
efficiency.
Bio‐inspired
smart
expected
fulfill
the
independent
energy‐saving
and
on‐demand
privacy
modes
simultaneously,
while
further
improvement
is
necessary.
Here,
an
improved
composite
based
on
tungsten‐doped
vanadium
dioxides
(W‐VO
2
),
silica
(SiO
)
nanospheres,
polydimethylsiloxane
(PDMS)
elastomers
reported.
It
found
that
can
simultaneously
under
a
low
temperature
of
≈45
°C.
More
importantly,
surface
morphology
effects
investigated
optical
wettability
modulation
provide
insight
into
SiO
‐based
wrinkle
formation
mechanisms.
demonstrated
wrinkles
more
effective
than
cracks
in
achieving
mode,
indicated
by
diffraction
patterns.
Increasing
also
causes
change
from
hydrophilic
hydrophobic
properties
accompanied
contact
angle
19°
115°,
suggesting
potential
for
self‐cleaning
functionality.
SiO₂
spheres
essential
forming
wrinkles:
small
gaps
between
nearby
localized
strain
increase
overall
Young's
modulus,
resulting
larger
amplitude.
Combining
method
understanding,
this
work
support
future
developments
mechano‐/thermos‐chromic
materials,
windows,
bioinspired
materials
designs.
Language: Английский
Recent advances in photo‐ or electro‐chromic smart windows and their thermal regulation
Zhen Du,
No information about this author
Shuo Wang,
No information about this author
Chang Gu
No information about this author
et al.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
Abstract
Windows
are
considered
to
be
a
major
contributor
energy
consumption
in
buildings.
Smart
windows,
as
replacement
for
traditional
can
reversibly
regulate
the
transmittance
of
sunlight,
enabling
indoor
thermal
regulation
and
promising
reduce
building
consumption,
thus
attracting
increasing
attention.
Especially,
smart
windows
based
on
photochromic
(PC)
or
electrochromic
(EC)
materials
have
been
widely
researched
due
zero
input
potential
seasonal
adaptability
PC
well
unique
active
adjustment
mode
EC
windows.
These
hold
application
prospects
field
future
low
energy‐consumption
However,
issues
such
difficulty
scaling
up
slow
response
time
poor
cycling
stability
durability
common
both
limit
their
development
regulation.
Focusing
important
progresses
challenges
these
materials,
we
systematically
review
typical
researches
reported
recent
years.
This
covers
evaluation
parameters
performance,
innovative
mechanisms,
optical
optimization
methods,
developing
status
materials.
Moreover,
also
discuss
existing
with
current
propose
targeted
improving
suggestions.
Hopefully,
this
promote
further
technologies
Language: Английский