Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(35), P. 15508 - 15523
Published: Aug. 22, 2024
In
this
study,
MCC
nanosheets
(MXene@Cur-Ce(III))
with
excellent
antioxidant
properties,
namely,
MXene@curcumin
(MC)
doped
Ce(III),
were
synthesized
using
a
straightforward
one-step
method.
According
to
the
potentiodynamic
polarization
(PDP)
test,
had
corrosion-inhibitory
effects
as
mixed
inhibitor.
Subsequently,
these
integrated
into
water-based
epoxy
resin
(WEP)
fabricate
nanocomposite
coating.
The
results
revealed
that
wear
rate
of
WEP
coating
containing
0.4
wt
%
(4-MCCW)
was
lower
than
blank
(BW)
by
98.22%,
indicating
exceptional
resistance
4-MCCW.
Furthermore,
4-MCCW
exhibited
remarkable
long-term
anticorrosion
properties.
Even
after
immersion
in
3.5
NaCl
solution
for
84
days,
it
maintained
highest
|Z0.01
Hz|
value
(4.21
×
109
Ω
cm2),
approximately
2
orders
magnitude
higher
BW.
demonstrated
corrosion
and
protection
due
its
favorable
interfacial
interaction,
self-lubrication,
superb
antioxidation
synergistic
active-passive
protection.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
Abstract
Electromagnetic
interference
(EMI)
shielding
materials
with
low
electromagnetic
(EM)
waves
reflection
characteristics
are
ideal
for
blocking
EM
radiation
and
pollution.
Materials
reflectivity
must
be
constructed
using
excellent
absorption
properties.
However,
simultaneously
possessing
both
EMI
performance
remain
scarce,
consequently,
multilayer
structures
need
to
developed.
Poly(p‐phenylene–2,6–benzobisoxazole)
nanofibers
(PNF)
prepared
by
deprotonation.
PNF
combined
MXene
heterostructure
MXene@Ni
in‐situ
growth;
MXene@Ni/PNF
acts
as
an
layer
while
MXene/PNF
reflective
layer.
Finally,
(MXene@Ni/PNF)–(MXene/PNF)
aerogels
layer‐by‐layer
freeze‐drying
based
on
the
layered
modular
design
concept.
Experimental
characterizations
revealed
that
enable
efficient
absorption‐reflection‐reabsorption
of
waves,
effectively
eliminating
EMI.
When
mass
ratio
Ni
in
is
1:6
fraction
80
wt.%,
exhibit
(71
dB)
a
very
coefficient
(R
=
0.10).
Finite
element
simulations
verified
developed
asymmetric
structural
achieve
high
characteristics.
In
addition,
display
infrared
camouflage
ability.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Oct. 11, 2024
Abstract
The
design
and
fabrication
of
high
toughness
electromagnetic
interference
(EMI)
shielding
composite
films
with
diminished
reflection
are
an
imperative
task
to
solve
pollution
problem.
Ternary
MXene/ANF
(aramid
nanofibers)–MoS
2
nacre-like
layered
structure
here
fabricated
after
the
introduction
MoS
into
binary
system.
fulfills
impressive
“kill
three
birds
one
stone”
improvement
effect:
lubrication
toughening
mechanical
performance,
reduction
in
secondary
wave,
performance
photothermal
conversion.
After
(mass
ratio
50:50),
strain
failure
tensile
strength
increase
from
22.1
$$\pm$$
±
1.7%
105.7
6.4
MPa
25.8
0.7%
167.3
9.1
MPa,
respectively.
elevates
13.0
4.1
26.3
0.8
MJ
m
−3
(~
102.3%)
simultaneously.
And
effectiveness
(SE
R
)
50:50)
decreases
~
10.8%.
EMI
(EMI
SE)
41.0
dB
(8.2–12.4
GHz);
60:40),
increases
18.3
1.9%
28.1
53.5%),
SE
22.2%,
corresponding
is
43.9
dB.
also
leads
a
more
efficient
conversion
45
55
°C).
Additionally,
MXene/ANF–MoS
exhibit
excellent
electric
heating
quick
temperature
elevation
(15
s),
cycle
stability
(2,
2.5,
3
V),
long-term
(2520
s).
Combining
MXene
content,
ternary
could
be
applied
many
industrial
areas.
This
work
broadens
how
achieve
balance
between
properties
versatility
composites
case
high-function
fillers.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 10, 2024
The
popularity
of
portable
and
wearable
flexible
electronic
devices,
coupled
with
the
rapid
advancements
in
military
field,
requires
electromagnetic
interference
(EMI)
shielding
materials
lightweight,
thin,
characteristics,
which
are
incomparable
for
traditional
EMI
materials.
film
can
fulfill
above
requirements,
making
them
among
most
promising
next-generation
devices.
Meticulously
controlling
structure
composite
while
optimizing
parameters
constructed
components
effectively
dissipate
transform
wave
energy.
Herein,
review
systematically
outlines
high-performance
films
through
structural
design
strategies,
including
homogeneous
structure,
layered
porous
structure.
attenuation
mechanism
evaluation
(Schelkunoff
theory
calculation
theory)
performance
introduced
detail.
Moreover,
effect
attributes
properties
on
is
analyzed,
summarizing
criteria
elucidating
relevant
mechanism.
Finally,
future
challenges
potential
application
prospects
prospected.
This
provides
crucial
guidance
construction
advanced
tailored
highly
customized
personalized
devices
future.
With
the
rapid
advancement
of
electronic
technology,
demand
for
wearable
and
portable
devices
has
significantly
increased.
MXene-based
multifunctional
textiles
have
attracted
extensive
attention
from
researchers
due
to
their
unique
various
functionalities,
while
poor
oxidation
structure
stability
limit
applications.
In
this
study,
a
novel
MXene/tannic
acid-modified
cellulose
nanofibers
(TACNF)-based
textile
was
prepared
by
screen-printing
post
treatment.
The
abundant
phenolic
hydroxyl
groups
in
TA
effectively
protect
MXene
nanosheets
oxidation.
subsequent
ZnCl2
cross-linking
treatment
leads
metal
coordination
between
Zn
ions
molecules,
which
further
improves
composite
coating
endows
functional
with
enhanced
antimicrobial
activity
against
Escherichia
coli
Staphylococcus
aureus.
rationally
designed
electrically
conductive
demonstrates
decent
sensing
ability
toward
tiny
large
human
motions,
its
exceptional
photo-/electro-thermal
conversion
also
enables
promising
potential
applications
thermal
therapy
heat
sterilization.
This
study
provides
new
insights
design
fabrication
smart
healthcare
textiles.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Abstract
It
is
crucial
to
develop
electromagnetic
interference
(EMI)
shielding
materials
with
high
efficiency
(SE)
and
reduced
reflection
mitigate
the
secondary
pollution
caused
by
waves
(EMWs).
Herein,
a
novel
multilayer
assembly
strategy
inspired
structure
of
“Turkish
dessert—Baklava”
proposed
introduce
magnetic
hollow
Fe
3
O
4
nanospheres
(HFO)
conductive
MXene
nanosheets
into
bacterial
cellulose
(BC)
network.
Through
layer‐by‐layer
vacuum
filtration
approach,
composite
BC/MXene/HFO
film
controllable
electric‐magnetic
dual‐gradient
achieved.
The
construction
dual
gradients
alleviates
impedance
mismatch
at
air‐film
interface,
resulting
in
reflectivity
toward
EMWs,
while
unique
HFO
facilitates
“absorption–reflection–reabsorption”
process
EMWs.
Consequently,
as‐prepared
(0.35
mm
thickness)
exhibits
an
extraordinary
EMI
SE
67.6
dB
as
low
5.1
dB.
Furthermore,
it
also
demonstrates
exceptional
mechanical
properties,
efficient
thermal
management,
Joule
heating
capabilities,
well
remarkable
passive
active
infrared
camouflage
performances.
This
study
offers
innovative
approach
achieve
less
more
absorption
expands
application
scope
precision
electronics,
aerospace,
military
equipment
fields.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Single‐atom
catalysts
(SACs)
are
a
class
of
with
low
dosage,
cost,
and
the
presence
metal
atom‐carrier
interactions
high
catalytic
activity,
which
considered
to
possess
significant
potential
in
field
electrocatalysis.
The
most
important
aspect
synthesis
SACs
is
selection
suitable
carriers.
Metal
carbides,
nitrides,
or
carbon‐nitrides
(MXenes)
widely
used
as
new
type
2D
materials
good
electrical
conductivity
tunable
surface
properties.
abundance
functional
groups
vacancy
defects
on
MXenes
an
ideal
anchoring
site
for
single
atoms
therefore
regarded
carrier
single‐atom
loading.
In
this
work,
preparation
method
MXenes,
loading
mode
SACs,
characterization
catalysts,
electrochemical
performance
described
detail,
some
hot
issues
current
research
future
directions
also
summarized.
aim
work
promote
development
MXene‐based
within
realm
With
ongoing
innovation,
these
expected
be
crucial
energy
conversion
storage
solutions.
Small,
Journal Year:
2024,
Volume and Issue:
20(49)
Published: Oct. 18, 2024
Abstract
Developing
lightweight,
high‐performance
electromagnetic
wave
(EMW)
absorbing
materials
those
can
absorb
the
adverse
radiation
or
waves
are
of
great
significance.
Transition
metal
carbides
and/or
nitrides
(MXenes)
a
novel
type
2D
nanosheets
associated
with
large
aspect
ratio,
abundant
polar
functional
groups,
adjustable
conductivity,
and
remarkable
mechanical
properties.
This
contributes
to
high‐efficiency
assembly
MXene‐based
aerogels
possessing
ultra‐low
density,
specific
surface
area,
tunable
unique
3D
porous
microstructure,
which
is
beneficial
for
promoting
EMW
absorption.
Therefore,
absorption
have
attracted
widespread
attention.
review
provides
an
overview
research
progress
on
absorption,
focusing
recent
advances
in
component
structure
design
strategies,
summarizes
main
strategies
constructing
aerogels.
In
addition,
based
mechanisms
regulation
preparation
methods
properties
varieties
components
pore
structures
detailed
advance
understanding
relationships
composition‐structure‐performance.
Furthermore,
future
development
challenges
faced
by
summarized
prospected.
