Abstract
Due
to
the
increased
integration
and
miniaturization
of
electronic
devices,
traditional
packaging
materials,
such
as
epoxy
resin
(EP),
cannot
solve
electromagnetic
interference
(EMI)
in
devices.
Thus,
development
multifunctional
materials
with
superior
wave
absorption
(EMA),
high
heat
dissipation,
flame
retardancy
is
critical
for
current
demand.
This
study
employs
an
in‐situ
growth
method
load
layered
double
hydroxides
(LDH)
onto
transition
metal
carbides
(MXene),
synthesizing
a
novel
composite
material
(MXene@LDH).
MXene@LDH
possesses
sandwich
structure
exhibits
excellent
EMA
performance,
thermal
conductivity,
retardancy.
By
adjusting
LDH,
under
synergistic
effect
multiple
factors,
dielectric
polarization
losses,
this
work
achieves
remarkable
minimum
reflection
loss
(RL)
−52.064
dB
maximum
effective
bandwidth
(EAB)
4.5
GHz.
Furthermore,
emerges
bridging
EP,
namely
MXene@LDH/EP,
leading
118.75%
increase
conductivity
compared
EP.
Simultaneously,
MXene@LDH/EP
contributes
enhanced
resulting
46.5%
reduction
total
release
(THR).
In
summary,
provides
promising
candidate
advanced
high‐power
density
packaging.
Separation and Purification Technology,
Год журнала:
2023,
Номер
320, С. 124144 - 124144
Опубликована: Май 24, 2023
As
a
result
of
serious
pollution
in
the
water
environment,
sewage
disposal
has
been
receiving
lot
attention
from
industry.
Metal-organic
frameworks
(MOFs)
attract
interest
adsorption
and
separation
due
to
their
complex
structures
easily
adjustable
pore
sizes.
Magnetic
MOFs
inheriting
advantages
both
large
surface
area
easy
recovery
have
great
potentials
pollutants.
This
paper
reviews
recent
research
progress
on
ions,
dyes
other
contaminants
by
different
types
(magnetic
non-magnetic
MOFs)
magnetic
composites
(Fe3O4@MOF)
aqueous
environments.
The
factors
affecting
pollutants,
thermodynamic
kinetic
effects
are
discussed
with
detailed
examples.
Finally,
challenges
opportunities
for
further
development
elucidated.
Advanced Materials,
Год журнала:
2024,
Номер
36(19)
Опубликована: Янв. 30, 2024
Abstract
Heterointerface
engineering,
which
plays
a
pivotal
role
in
developing
advanced
microwave‐absorbing
materials,
is
employed
to
design
zeolitic
imidazolate
framework
(ZIF)–MXene
nanocomposites.
The
ZIF–MXene
composites
are
prepared
by
electrostatic
self‐assembly
of
negatively
charged
titanium
carbide
MXene
flakes
and
positively
Co‐containing
ZIF
nanomaterials.
This
approach
effectively
creates
abundant
Mott–Schottky
heterointerfaces
exhibiting
robust
built‐in
electric
field
(BIEF)
effect,
as
evidenced
experimental
theoretical
analyses,
leading
notable
attenuation
electromagnetic
energy.
Systematic
manipulation
the
BIEF‐exhibiting
heterointerface,
achieved
through
topological
modulation
ZIF,
proficiently
alters
charge
separation,
facilitates
electron
migration,
ultimately
enhances
polarization
relaxation
loss,
resulting
exceptional
wave
absorption
performance
(reflection
loss
RL
min
=
−47.35
dB
effective
bandwidth
f
E
6.32
GHz).
present
study
demonstrates
an
innovative
model
system
for
elucidating
interfacial
mechanisms
pioneers
novel
functional
materials
with
characteristics
spatial
engineering.
Inorganic Chemistry Frontiers,
Год журнала:
2023,
Номер
10(15), С. 4358 - 4392
Опубликована: Янв. 1, 2023
In
this
study,
the
preparation
methods
of
MXenes
and
layered
dihydroxides
(LDHs)
are
reviewed.
addition,
electrochemical
performances
for
supercapacitors
MXene/LDHs
composites
summarized
in
detail.
Polymer,
Год журнала:
2023,
Номер
272, С. 125856 - 125856
Опубликована: Март 7, 2023
To
increase
the
effectiveness
of
recovered
acrylonitrile-butadiene-styrene
(rABS)
and
recycled
high
impact
polystyrene
(rHIPS),
styrene-butadiene-glycidyl
methacrylate
(SBG)
was
incorporated
to
rABS/rHIPS
system
by
melt
blending
for
first
time.
Multiple
epoxy
groups
in
SBG
can
combine
with
butadiene
ageing
generate
ester
groups,
repairing
broken
molecular
chains,
improving
compatibility
between
two
phases,
enhancing
mechanical
properties
blends.
The
findings
demonstrated
that
adding
greatly
increased
blends'
weight,
strength,
tensile
flexural
storage
modulus,
loss
complex
viscosity.
When
content
8
wt%,
notch
strength
blends
reached
8.84
kJ/m2,
which
108%
higher
than
rABS/rHIPS.
In
addition,
interface
polybutadiene
(PB)
phase
styrene-acrylonitrile
copolymer
(SAN)
became
more
blurred,
phases
improved,
enabled
high-value
recovery
