Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 2, 2025
Wireless
energy-responsive
systems
provide
a
foundational
platform
for
powering
and
operating
intelligent
devices.
However,
current
electronic
relying
on
complex
components
limit
their
effective
deployment
in
ambient
environment
seamless
integration
of
energy
harvesting,
storage,
sensing,
communication.
Here,
we
disclose
coupling
effect
electromagnetic
wave
absorption
moist-enabled
generation
carrier
transportation
interaction
regulated
by
ionic
diode
effect.
As
demonstration,
wireless
interactive
system
is
established
electromagnetic-moist
coupled
harvesting
signal
transmission
through
highly
integrated
polyelectrolyte/conjugated
conductive
polymer
bilayer
films
as
dynamic
energy-switching
carriers.
The
gradient
distribution
ions
within
the
films,
excited
moist
energy,
enables
rectification
further
endows
with
capability.
In
turn,
absorbed
drives
directional
migration
charge
carriers
internal
current.
By
rationally
regulating
electrolyte
dielectric
properties
diodes,
it
becomes
feasible
to
control
targeted
electric
signals
outputs
under
environment.
This
work
step
towards
enabling
enhanced
smart
interactivities
wirelessly
driven
flexible
electronics.
are
essential
study
demonstrates
an
using
fabricated
showing
improved
performance
potential
practical
applications.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 7, 2024
Abstract
Multifunctionalization
of
electromagnetic
wave
absorbing
materials
(EMWAMs)
presents
a
promising
avenue
for
their
application
in
complex
scenarios.
However,
the
effective
integration
multiple
supplementary
functions
into
EMWAMs
continues
to
pose
significant
challenge.
Herein,
novel
nanofiber
elastomer
(NFE)
incorporating
multicomponent
inorganic
FeS
2
/S,N
co‐doped
carbon
nanofibers
(NFs)
and
organic
component
(Ecoflex)
are
designed
synthesized.
The
sulfur
doping
ratios
species
can
be
effectively
modulated
via
controlling
amount
sulfurization
temperature.
optimized
NFs/Ecoflex
NFE
not
only
exerted
an
excellent
impedance
matching
characteristic,
but
also
displays
boosted
conductive
loss
polarization
capacities.
Amongst,
achieved
ultra‐wide
absorption
bandwidth
(EAB)
7.40
GHz
minimum
reflection
(RL
min
)
−21.82
dB
at
thin
thickness
(≈2.00
mm).
Furthermore,
simultaneously
greatly
improved
mechanical
property,
thermal
insulation,
hydrophobicity,
corrosion
resistance.
Through
designing
metastructures,
with
periodically
closed‐ring
resonant
structure
realized
EAB
32.64
(ranging
from
7.36
40.00
GHz).
Overall,
this
research
contributes
valuable
insights
design
next‐generation
satisfactory
multifunctionalities,
demonstrating
potential
smart
devices
challenging
environments.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 1, 2024
Abstract
Ultra‐wideband
microwave
absorbing
(MA)
materials
covering
the
low‐frequency
range
(2–6
GHz)
are
highly
desirable
in
civil
and
military
fields.
These
can
be
fabricated
based
on
design
of
electromagnetic
meta‐structure.
Herein,
a
structural‐functional‐integrated
ultra‐wideband
SiO
2
fiber
reinforced
cyanate
ester
(CE)
MA
composite
an
situ‐grown
graphene
meta‐nanointerface
layer
(GrMI)
(SiO
2f
/GrMI/CE)
is
reported.
The
relationship
between
periodic
structure
nano‐interface
performance
discussed
through
experiments
simulations.
results
show
that
/GrMI/CE
with
thickness
8.78
mm
exhibits
effective
absorption
bandwidth
15.46
GHz
(2.54–18
GHz).
Remarkably,
reflection
loss
remains
basically
unchanged
upon
increasing
incident
angle
from
5°
to
50°.
Additionally,
GrMI
load‐bearing
constituent,
which
increases
interfacial
shear
stress
CE
by
≈210%
contributes
achieving
composites
ultra‐high
flexural
strength
(552.7
MPa).
excellent
performances
ensure
suitable
for
use
as
skin
stealth
aircraft
other
facilities.
work
provides
novel
pathway
thinner,
wider,
lighter,
stronger
components.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Авг. 15, 2024
Metal-organic
frameworks
(MOFs)
have
been
extensively
considered
as
one
of
the
most
promising
types
porous
and
crystalline
organic-inorganic
materials,
thanks
to
their
large
specific
surface
area,
high
porosity,
tailorable
structures
compositions,
diverse
functionalities,
well-controlled
pore/size
distribution.
However,
developed
MOFs
are
in
powder
forms,
which
still
some
technical
challenges,
including
abrasion,
dustiness,
low
packing
densities,
clogging,
mass/heat
transfer
limitation,
environmental
pollution,
mechanical
instability
during
process,
that
restrict
applicability
industrial
applications.
Therefore,
recent
years,
attention
has
focused
on
techniques
convert
MOF
powders
into
macroscopic
materials
like
beads,
membranes,
monoliths,
gel/sponges,
nanofibers
overcome
these
challenges.Three-dimensional
(3D)
printing
technology
achieved
much
interest
because
it
can
produce
many
high-resolution
with
complex
shapes
geometries
from
digital
models.
this
review
summarizes
combination
different
3D
strategies
MOF-based
for
fabricating
3D-printed
monoliths
applications,
emphasizing
water
treatment
gas
adsorption/separation
Herein,
various
fabrication
such
direct
ink
writing,
seed-assisted
in-situ
growth,
coordination
replication
solid
precursors,
matrix
incorporation,
selective
laser
sintering,
light
processing,
described
relevant
examples.
Finally,
future
directions
challenges
also
presented
better
plan
trajectories
shaping
improved
control
over
structure,
composition,
textural
properties
monoliths.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 2, 2025
Wireless
energy-responsive
systems
provide
a
foundational
platform
for
powering
and
operating
intelligent
devices.
However,
current
electronic
relying
on
complex
components
limit
their
effective
deployment
in
ambient
environment
seamless
integration
of
energy
harvesting,
storage,
sensing,
communication.
Here,
we
disclose
coupling
effect
electromagnetic
wave
absorption
moist-enabled
generation
carrier
transportation
interaction
regulated
by
ionic
diode
effect.
As
demonstration,
wireless
interactive
system
is
established
electromagnetic-moist
coupled
harvesting
signal
transmission
through
highly
integrated
polyelectrolyte/conjugated
conductive
polymer
bilayer
films
as
dynamic
energy-switching
carriers.
The
gradient
distribution
ions
within
the
films,
excited
moist
energy,
enables
rectification
further
endows
with
capability.
In
turn,
absorbed
drives
directional
migration
charge
carriers
internal
current.
By
rationally
regulating
electrolyte
dielectric
properties
diodes,
it
becomes
feasible
to
control
targeted
electric
signals
outputs
under
environment.
This
work
step
towards
enabling
enhanced
smart
interactivities
wirelessly
driven
flexible
electronics.
are
essential
study
demonstrates
an
using
fabricated
showing
improved
performance
potential
practical
applications.
