Advanced Nanocomposites,
Год журнала:
2024,
Номер
1(1), С. 217 - 239
Опубликована: Янв. 1, 2024
As
a
member
of
the
two-dimensional
materials'
family,
MXene
sheets
exhibit
unique
structure
and
outstanding
functional
properties,
garnering
extensive
interest
in
many
emerging
fields.
Among
them,
derivatives
with
low
emissivity
inorganic
feature
have
positioned
them
as
promising
candidates
for
thermal
camouflage
fire
safety.
Nevertheless,
present
literature
still
lacks
comprehensive
comparative
review
focused
on
both
radiation
protection
safety
advanced
MXene-based
nanocomposite
materials.
This
paper
is
dedicated
to
offering
an
overview
recent
advances
progress
empowering
nanocomposites
context
synthesis
operational
principle,
structural
characteristics,
multifunctional
performance
emergent
applications.
Special
emphasis
placed
reviewing
camouflaging
(infrared
stealth),
flame-retardant
(passive)
early
warning
(active)
understand
relationships
between
material
compositions,
fabricating
process,
multi-scale
structures
multiple
functionalities.
Finally,
future
challenge
direction
applications
are
discussed
analyzed.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(38)
Опубликована: Авг. 7, 2023
The
positive
liquid
crystals,
4'-heptyl-4-biphenylcarbonitrile
(7CB),
are
used
to
functionalize
carbon
nanotubes
(LC-CNT),
which
can
be
aligned
in
the
crystalline
polyimide
(LC-PI)
matrix
under
an
alternating
electric
field
fabricate
thermally
conductive
LC-CNT/LC-PI
composite
films.
efficient
establishment
of
thermal
conduction
pathways
films
with
a
low
amount
LC-CNT
is
achieved
through
oriented
alignment
within
LC-PI
matrix.
When
mass
fraction
15
wt
%,
in-plane
conductivity
coefficient
(λ∥
)
and
through-plane
(λ⊥
reach
4.02
W/(m
⋅
K)
0.55
W/(m⋅K),
90.5
%
71.9
higher
than
those
intrinsically
respectively,
also
28.8
5.8
CNT/LC-PI
respectively.
Meanwhile,
possess
excellent
mechanical
heat
resistance
properties.
Young's
modulus
index
2.3
GPa
297.7
°C,
same
CNT.
Abstract
The
potential
of
three‐dimensional
(3D)
printing
technology
in
the
fabrication
advanced
polymer
composites
is
becoming
increasingly
evident.
This
review
discusses
latest
research
developments
and
applications
3D
composites.
First,
it
focuses
on
optimization
technology,
that
is,
by
upgrading
equipment
or
components
adjusting
parameters,
to
make
them
more
adaptable
processing
characteristics
improve
comprehensive
performance
products.
Second,
printable
novel
consumables
for
composites,
which
mainly
include
new
filaments,
inks,
photosensitive
resins,
powders,
introducing
unique
properties
different
ways
apply
printing.
Finally,
preparation
functional
(such
as
thermal
conductivity,
electromagnetic
interference
shielding,
biomedicine,
self‐healing,
environmental
responsiveness)
are
explored,
with
a
focus
distribution
fillers
influence
topological
shapes
printed
aim
this
deepen
understanding
convergence
between
anticipate
future
trends
applications.
image
Nano-Micro Letters,
Год журнала:
2023,
Номер
16(1)
Опубликована: Ноя. 17, 2023
Abstract
Carbon-based
aerogels
derived
from
biomass
chitosan
are
encountering
a
flourishing
moment
in
electromagnetic
protection
on
account
of
lightweight,
controllable
fabrication
and
versatility.
Nevertheless,
developing
facile
construction
method
component
design
with
carbon-based
for
high-efficiency
wave
absorption
(EWA)
materials
broad
effective
bandwidth
(EAB)
strong
yet
hits
some
snags.
Herein,
the
nitrogen-doped
magnetic-dielectric-carbon
aerogel
was
obtained
via
ice
template
followed
by
carbonization
treatment,
homogeneous
abundant
nickel
(Ni)
manganese
oxide
(MnO)
particles
situ
grew
carbon
aerogels.
Thanks
to
optimization
impedance
matching
dielectric/magnetic
components
aerogels,
(Ni/MnO-CA)
suggests
praiseworthy
EWA
performance,
an
ultra-wide
EAB
7.36
GHz
minimum
reflection
loss
(RL
min
)
−
64.09
dB,
while
achieving
specific
253.32
dB
mm
−1
.
Furthermore,
reveals
excellent
radar
stealth,
infrared
thermal
management
capabilities.
Hence,
high-performance,
easy
fabricated
multifunctional
nickel/manganese
oxide/carbon
have
application
aspects
protection,
electronic
devices
aerospace.
Advanced Materials,
Год журнала:
2024,
Номер
36(24)
Опубликована: Март 12, 2024
Abstract
Modern
human
civilization
deeply
relies
on
the
rapid
advancement
of
cutting‐edge
electronic
systems
that
have
revolutionized
communication,
education,
aviation,
and
entertainment.
However,
electromagnetic
interference
(EMI)
generated
by
digital
poses
a
significant
threat
to
society,
potentially
leading
future
crisis.
While
numerous
efforts
are
made
develop
nanotechnological
shielding
mitigate
detrimental
effects
EMI,
there
is
limited
focus
creating
absorption‐dominant
solutions.
Achieving
EMI
shields
requires
careful
structural
design
engineering,
starting
from
smallest
components
considering
most
effective
wave
attenuating
factors.
This
review
offers
comprehensive
overview
structures,
emphasizing
critical
elements
design,
mechanisms,
limitations
both
traditional
shields,
common
misconceptions
about
foundational
principles
science.
systematic
serves
as
scientific
guide
for
designing
structures
prioritize
absorption,
highlighting
an
often‐overlooked
aspect
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Ноя. 2, 2023
Abstract
There
is
an
urgent
demand
for
flexible,
lightweight,
mechanically
robust,
excellent
electromagnetic
interference
(EMI)
shielding
materials.
Two-dimensional
(2D)
transition
metal
carbides/nitrides
(MXenes)
have
been
potential
candidates
the
construction
of
EMI
materials
due
to
their
great
electrical
electroconductibility,
favorable
mechanical
nature
such
as
flexibility,
large
aspect
ratios,
and
simple
processability
in
aqueous
media.
The
applicability
MXenes
has
intensively
explored;
thus,
reviewing
relevant
research
beneficial
advancing
design
high-performance
MXene-based
shields.
Herein,
recent
progress
macrostructure
development
reviewed,
including
associated
mechanisms.
In
particular,
various
structural
strategies
are
highlighted
explored.
end,
difficulties
views
future
growth
shields
proposed.
This
review
aims
drive
macrostructures
on
basis
rational
high-efficiency
utilization
MXene.
Nano-Micro Letters,
Год журнала:
2023,
Номер
16(1)
Опубликована: Дек. 18, 2023
The
severe
dependence
of
traditional
phase
change
materials
(PCMs)
on
the
temperature-response
and
lattice
deficiencies
in
versatility
cannot
satisfy
demand
for
using
such
complex
application
scenarios.
Here,
we
introduced
metal
ions
to
induce
self-assembly
MXene
nanosheets
achieve
their
ordered
arrangement
by
combining
suction
filtration
rapid
freezing.
Subsequently,
a
series
MXene/
K
