Applied Physics Letters,
Journal Year:
2023,
Volume and Issue:
123(10)
Published: Sept. 4, 2023
In
this
paper,
oriented
hBN
composites
with
anisotropic
thermal
conductivity
are
employed
to
improve
electrical
resistivity-temperature
characteristics,
thus
inhibiting
the
occurrence
of
DC
surface
flashover
under
temperature
gradient
by
directionally
manipulating
heat
flow.
The
performance,
resistivity,
carrier
mobility,
and
electric
field
distribution
depending
on
orientation
studied
at
different
temperatures.
When
angle
between
basal
plane
axis
electrodes
is
90°,
out-of-plane
composite
shows
best
characteristics
than
that
polymer
filled
ceramic
particles
positive
coefficient,
whose
voltage
28%
higher
0°
high-voltage
electrode
heated
160
°C.
least
rise
in
mobility
intensity
near
GND
main
factor
high
work
presented
paper
will
notably
influence
future
research
directions
modification
solutions
for
dielectric
materials.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(34)
Published: March 5, 2024
4D
printing
has
attracted
tremendous
worldwide
attention
during
the
past
decade.
This
technology
enables
shape,
property,
or
functionality
of
printed
structures
to
change
with
time
in
response
diverse
external
stimuli,
making
original
static
alive.
The
revolutionary
4D-printing
offers
remarkable
benefits
controlling
geometric
and
functional
reconfiguration,
thereby
showcasing
immense
potential
across
fields,
including
biomedical
engineering,
electronics,
robotics,
photonics.
Here,
a
comprehensive
review
latest
achievements
using
various
types
materials
different
additive
manufacturing
techniques
is
presented.
state-of-the-art
strategies
implemented
harnessing
4D-printed
are
highlighted,
which
involve
design,
functionalities,
applications.
machine
learning
approach
explored
for
also
discussed.
Finally,
perspectives
on
current
challenges
future
trends
toward
further
development
summarized.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(45)
Published: July 12, 2023
Liquid
crystal
elastomers
(LCE)
and
magnetic
soft
materials
are
promising
active
in
many
emerging
fields,
such
as
robotics.
Despite
the
high
demand
for
developing
that
combine
advantages
of
LCE
actuation,
lack
independent
programming
nematic
order
magnetization
a
single
material
still
hinders
desired
multi-responsiveness.
In
this
study,
ferromagnetic
(magLCE)
ink
with
is
developed
can
be
independently
programmed
to
anisotropic,
referred
"dual
anisotropy",
via
customized
3D-printing
platform.
The
magLCE
fabricated
by
dispersing
microparticles
matrix,
platform
created
integrating
magnet
3-DoF
motion
into
an
extrusion-based
3D
printer.
addition
magLCEs
also
actuated
heating
sources
(either
environmental
or
photo-heating
embedded
microparticles)
energy
density
tunable
actuation
temperature.
A
strip
robot
demonstrated
enhanced
adaptability
complex
environments
(different
terrains,
temperatures)
using
multi-actuation
strategy.
has
potential
applications
mechanical
memory,
multistable
metastructure
array
remote
writability
stable
memory.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(1)
Published: Nov. 28, 2023
Abstract
The
field
of
metal‐organic
frameworks
(MOFs)
has
progressed
beyond
the
design
and
exploration
powdery
single‐crystalline
materials.
A
current
challenge
is
fabrication
organized
superstructures
that
can
harness
directional
properties
individual
constituent
MOF
crystals.
To
date,
progress
in
methods
polycrystalline
led
to
close‐packed
structures
with
defined
crystalline
orientation.
By
controlling
orientation,
pore
channels
crystals
be
aligned
along
specific
directions:
these
systems
possess
anisotropic
including
enhanced
diffusion
directions,
preferential
orientation
guest
species,
protection
functional
guests.
In
this
perspective,
we
discuss
status
research
oriented
focusing
on
directions
Three
are
examined
detail:
assembly
from
colloidal
solutions,
use
external
fields
for
alignment
particles,
heteroepitaxial
ceramic‐to‐MOF
growth.
This
perspective
aims
at
promoting
inspiring
development
new
protocols
preparation
channels,
enable
advanced
MOF‐based
devices
properties.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(34)
Published: May 22, 2024
Biological
materials
and
organisms
possess
the
fundamental
ability
to
self-organize,
through
which
different
components
are
assembled
from
molecular
level
up
hierarchical
structures
with
superior
mechanical
properties
multifunctionalities.
These
complex
composites
inspire
material
scientists
design
new
engineered
by
integrating
multiple
ingredients
over
a
wide
range.
Additive
manufacturing,
also
known
as
3D
printing,
has
advantages
respect
fabricating
multiscale
multi-material
structures.
The
need
for
multifunctional
is
driving
printing
techniques
toward
arbitrary
architectures
next
of
complexity.
In
this
paper,
aim
highlight
key
features
those
that
can
produce
either
or
multimaterial
structures,
including
innovations
in
methods,
processing
approaches,
hardware
improvements.
Several
issues
challenges
related
current
methods
discussed.
Ultimately,
authors
provide
their
perspective
on
how
realize
combination
capabilities
processes
future
directions
based
emerging
research.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
33(15)
Published: Dec. 7, 2022
Abstract
Additive
manufacturing
is
a
promising
technology
that
can
directly
fabricate
structures
with
complex
internal
geometries,
which
barely
achieved
by
traditional
manufacturing.
However,
the
mechanical
properties
of
fused
deposition
modeling
(FDM)‐printed
objects
are
inferior
to
those
conventionally
manufactured
products.
To
improve
printed
products,
series
novel
thermoplastic
polyurethanes
self‐healing
properties,
intrinsic
photothermal
effects,
and
excellent
printability
designed
synthesized
introducing
dynamic
oxime–carbamate
bonds
hydrogen
into
polymer
chains.
On‐demand
introduction
near‐infrared
(NIR)
irradiation,
direct
heating,
sunlight
irradiation
enhances
interfacial
bonding
strength
thus
product.
Additionally,
anisotropy
products
be
sophistically
manipulated
regulating
conditions.
Support‐free
printing
healing
damaged
also
owing
material.
Moreover,
as‐prepared
materials
exhibit
shape‐memory
NIR
or
heating
effectively
triggers
recovery
demonstrates
their
potential
in
4D
man‐like
robot.
This
study
not
only
provides
facile
strategy
for
obtaining
high‐performance
but
broadens
applications
FDM
intelligent
devices.
