Advanced Sustainable Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 22, 2024
Abstract
The
growing
challenge
of
poly(ethylene
terephthalate)
(PET)
plastic
bottle
waste
underscores
the
urgent
need
for
innovative
solutions.
This
study
introduces
a
pioneering
approach
to
repurpose
PET
into
valuable
electrolytic
material
electrochromic
(EC)
smart
windows,
presenting
novel
strategy
address
environmental
concerns
while
advancing
technology.
Through
alkaline
depolymerization,
disodium
terephthalate
(DST)
electrolyte
is
derived
from
waste,
offering
an
eco‐friendly
and
cost‐effective
alternative.
Integrated
with
chromogens
such
as
1‐hexyl‐[4,4′‐bipyridin]‐1‐ium
iodide
[MV(I)],
or
1,1′‐dihexyl‐[4,4′‐bipyridine]‐1,1′‐diium
[DVH(I)],
dihexafluorophosphate
[DVH(PF
6
)],
alongside
hydroquinone
[HQ]
poly(ethyene
glycol)
diacrylate
[PEGDA]:
water,
EC
gel‐based
devices
are
fabricated.
Notably,
ED‐3
exhibits
dual‐band
absorption
across
visible
near‐infrared
spectrum,
enabling
seamless
color
transitions
exceptional
optical
contrast.
With
(ΔT)
values
88.03%
at
550
nm
73.7%
900
nm,
along
coloration
efficiency
277
cm
2
C⁻¹
cyclic
stability
exceeding
2000
cycles,
this
marks
significant
advancement
in
upcycling
applications.
Furthermore,
research
contributes
addressing
global
challenges
pollution
energy
consumption,
underscoring
transformative
potential
sustainable
development.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(32), С. 42502 - 42512
Опубликована: Авг. 3, 2024
Vanadium
pentoxide
(V2O5)
is
considered
a
promising
material
for
electrochromic
supercapacitors
due
to
its
rich
color
transitions
and
excellent
electrochemical
capacity.
However,
V2O5
exhibits
low
electrical
conductivity,
volume
changes
dramatically
during
charge–discharge
cycles,
leading
structural
collapse
poor
long-term
cyclability.
These
issues
have
hindered
the
development
application
of
V2O5.
In
this
study,
copper
vanadium
oxide
yolk–shell
microspheres
(CVO)
were
synthesized
through
one-step
solvent
heat
treatment
with
an
annealing
process.
With
doping
element,
capacitance,
cyclic
stability
CVO
significantly
enhanced.
Subsequently,
sphere-wire
network
structure
was
formed
by
blending
Na2V6O16·3H2O
nanowires
(NVO),
resulting
in
formation
CVO/NVO
composites.
The
three-dimensional
efficiently
facilitates
acquisition
additional
redox
sites
strengthens
material-to-substrate
bonding.
Under
combined
influence
these
favorable
factors,
achieved
high
specific
capacitance
39.2
mF
cm–2,
retention
84%
after
7500
cycles
at
current
density
0.7
mA
cm–2.
fully
inorganic
solid-state
supercapacitor
(ECSC),
assembled
on
basis
CVO/NVO,
demonstrates
vivid
clearly
distinguishable
change
(ΔE*
=
37).
Even
more
impressive
energy
storage
capacity
(18.4
mF·cm–2)
cycling
(up
89%
10,000
cycles)
exhibited
devices.
key
performances
are
superior
those
most
previously
reported
V2O5-based
ECSCs,
opening
avenue
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(39), С. 15833 - 15854
Опубликована: Янв. 1, 2024
Herein,
we
consider
the
influence
of
organic
groups
on
material
properties,
take
tungsten
oxide
as
an
example
to
introduce
mechanism
change
process
in
detail,
and
verify
theoretical
development
with
example.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(12), С. 7161 - 7170
Опубликована: Июнь 12, 2024
Cross-linked
conjugated
polymers
show
many
unique
performance
advantages
in
ionic
transport,
stretchability,
and
cycle
stability.
However,
the
relationship
between
cross-link
density
is
always
ignored
designing
cross-linked
polymers.
Here,
a
series
of
poly(3,4-ethylenedioxythiophene)
(PEDOT)
derivatives
with
different
densities
were
prepared
by
two
steps:
(1)
free
radical
polymerization
flexible
side
chain
(methacrylate);
(2)
electrochemical
copolymerization
units
(thiophene
derivatives).
These
copolymers
except
for
poly(2,1)
high
exhibit
similar
optical
absorption
region
definite
peak,
indicating
that
low
has
little
influence
on
region.
Electrochromic
results
indicate
poly(1,10)
possesses
higher
contrast
(70%)
faster
response
time
(0.5
s)
than
linear
poly(ProDOT-Me)
other
relatively
density.
When
beyond
critical
value,
it
could
be
also
found
electrochromic
properties
decrease
gradually
as
increases.
And
device
(10
cm
×
6
cm)
based
was
constructed,
whose
color
reversibly
turn
purple
transmissive
blue.
demonstrate
controlling
essential
materials.
Journal of Materials Chemistry C,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Electrochromic
device
based
Fe
n
+
and
a
leuco
dye
has
been
fabricated,
which
shows
satisfying
cycle
life
optical
modulate
ability.
This
strategy
to
improve
may
accelerate
the
application
of
electrochromic
devices.
Advanced Optical Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 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.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 5, 2025
Abstract
Conventional
wearable
devices
mainly
focus
on
physiological
signal
sensing,
lack
feedback
for
information,
and
rely
bulky
display
devices.
Moreover,
the
external
wired
transmission
in
traditional
detection
severely
limits
practical
application.
Herein,
inspired
by
“one‐stone‐two‐birds”
ability
of
chameleon
to
sense
stimuli
change
their
colors,
a
visual
pressure‐sensing
integrated
hybrid
device
based
iontronic
sensing
electrochromic
is
proposed,
which
structure
simplified
sharing
electrodes
color‐changing
layers
instead
two
electrodes.
The
photocuring
process
preparation
process,
with
its
unit
exhibiting
sensitivity
358.1
kPa⁻¹
response/recovery
time
16.8/28.0
ms,
having
colored/bleached
4.2/4.8
s.
Utilizing
excellent
performance,
applications
like
quick
response
code
encryption
under
alternating
potential,
info
hiding/display
pressure
perception,
monitoring
are
explored
validated.
In
addition,
smart
wireless
wristband
system
designed
that
monitors
signals
real
via
Bluetooth
shows
different
motion
states.
It
envisioned
these
strategies
will
have
great
potential
intelligence
encryption,
interactive
communication,
medical
monitoring.
