Abstract
This
study
systematically
explores
impact
of
impurity‐induced
defects
in
MAX
phase
on
MXene
quality
and,
hence,
electrochemical
performance.
Structural
impure
are
transferred
to
derived
and
disrupt
ion
transport
pathways
by
creating
non‐uniform
interlayer
spacing,
thereby
hindering
diffusion
reducing
efficiency.
Notably,
as
the
purity
Ti
3
AlC
2
increases
from
47%
99%,
spacing
expands,
significantly
enhancing
its
properties.
Galvanostatic
charge–discharge
(GCD)
measurements
at
1
A
g
−1
reveal
that
specific
capacitance
improves
121.86
680.8
F
with
increasing
purity.
Further
enhancement
918.5
is
achieved
incorporating
carbon
black
(CB),
which
enhances
conductive
network
between
sheets.
Symmetric
battery‐type
supercapacitor
device
assembled
CB@Ti₃C₂‐F
electrodes
exhibits
capacity
76.54
mAh
(@1A
)
over
1.65
V
potential
window,
energy
density
55.58
Wh
kg
power
1500.27
kW
(@10A
),
surpassing
previously
reported
values.
Additionally,
demonstrates
excellent
cycling
stability,
retaining
94%
initial
after
5000
cycles.
underscores
critical
role
regulating
unlocking
new
opportunities
for
high‐performance
hybrid
storage
systems.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 25, 2025
Accurate
measurement
of
tryptophan
(Trp)
levels
is
crucial
for
clinical
and
research
purposes,
such
as
nutritional
assessment,
disorder
diagnosis,
condition
management,
the
study
role
Trp
in
disease
pathophysiology.
Herein,
intercalation
1-octyl-3-methylimidazolium
chloride
[OMIM]+Cl−
ionic
liquids
(ILs)
between
layers
Ti3C2
MXenes
results
a
3D
porous
structure
with
large
active
surface
area
high
interlayer
spacing
(d-spacing).
Confined
[OMIM]+
ions
enhance
electroactive
sites
transfer
pathways
at
MXene
IL
interfaces
improve
electron
efficiency
oxidation,
improving
stability
via
strong
π‒π
electrostatic
MXene‒IL
interactions.
Under
optimal
conditions,
sensor
demonstrated
broad
detection
range
Trp,
ranging
from
0.001
to
240
µM,
low
limit
0.06
nM
(S/N
=
3).
Owing
its
exceptional
stability,
selectivity,
reproducibility,
proposed
IL-Ti3C2/GCE
exhibited
significant
potential
detecting
real
amino
acid
granules
urine
samples.
Industrial & Engineering Chemistry Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 12, 2025
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.
Abstract
With
the
advent
of
5G
era,
there
has
been
a
marked
increase
in
research
interest
concerning
electromagnetic
wave‐absorbing
materials.
A
critical
challenge
remains
improving
properties
these
materials
while
satisfying
diverse
application
demands.
MXenes,
identified
as
prominent
“emerging”
2D
for
wave
absorption,
offer
unique
advantages
that
are
expected
to
drive
advancements
and
innovations
this
field.
This
review
emphasizes
synthesis
benefits
provided
by
structural
characteristics
MXenes
performance
enhancements
achieved
through
their
combination
with
other
absorbing
Material
requirements,
approaches,
conceptual
frameworks
integrated
underscore
advantages.
The
study
provides
thorough
analysis
MXene‐absorbing
composites,
going
beyond
basic
classification
address
preparation
modification
processes
affecting
absorption
composites.
Attention
is
directed
techniques,
design
principles,
influence
on
composite
performance.
Additionally,
potential
applications
devices
summarized.
concludes
addressing
challenges
currently
confronting
MXene
outlining
developmental
trends,
aiming
guidance
subsequent
domain.
Energies,
Год журнала:
2025,
Номер
18(5), С. 1223 - 1223
Опубликована: Март 2, 2025
MXene,
an
emerging
class
of
two-dimensional
materials,
has
garnered
significant
attention
in
electrochemical
energy
storage
applications
due
to
its
high
specific
surface
area,
tunable
functional
groups,
excellent
electrical
conductivity,
and
mechanical
stability.
However,
their
practical
application
devices
remains
challenged
by
issues
such
as
the
stacking
layered
structure,
degradation,
limited
ion
diffusion
properties.
Functionalization
emerged
a
key
strategy
enhance
performance
MXene
materials.
By
modulating
doping
with
various
elements,
integrating
other
researchers
have
significantly
improved
chemical
stability,
transport
properties,
strength
MXenes.
This
review
provides
comprehensive
overview
categorizing
them
highlighting
advantages
applications.
It
also
examines
recent
advancements
preparation
optimized
synthesis
strategies.
In-depth
discussions
are
presented
on
functionalization
MXenes
devices,
including
supercapacitors,
lithium-ion
batteries,
sodium-ion
batteries.
Finally,
concludes
summary
explores
future
research
directions,
aiming
guide
further
developments
field.
Analytical Chemistry,
Год журнала:
2024,
Номер
96(49), С. 19160 - 19182
Опубликована: Ноя. 27, 2024
This
Perspective
explores
the
revolutionary
advances
in
wearable
aptasensor
(WA)
technology,
which
combines
devices
and
aptamer-based
detection
systems
for
personalized,
real-time
health
monitoring.
The
leverage
specificity
sensitivity
of
aptamers
to
target
specific
molecules,
offering
broad
applications
from
continuous
glucose
tracking
early
diagnosis
diseases.
integration
data
analytics
artificial
intelligence
(AI)
allows
risk
prediction
guides
preventive
measures.
While
challenges
miniaturization,
power
efficiency,
security
persist,
these
hold
significant
potential
democratize
healthcare
reshape
patient-doctor
interactions.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(36), С. 16888 - 16896
Опубликована: Авг. 28, 2024
The
development
of
advanced
Pt-alternative
anode
electrocatalysts
with
high
activity
and
reliable
stability
is
critical
to
overcoming
the
technical
challenges
direct
methanol
fuel
cells.
Here,
we
propose
a
robust
bottom-up
strategy
for
spatial
construction
mesoporous
hollow
carbon
sphere
(HCS)-embedded
MXene
architectures
decorated
ultrafine
Rh
nanocrystals
(Rh/HCS-MX)
via
stereoscopic
coassembly
reactions.
rational
intercalation
HCS
effectively
separates
nanowalls
achieve
rapid
mass-transfer
efficiency,
while
intimate
coupling
hybrid
carrier
enables
their
electronic
structure
optimization,
thus
contributing
strong
synergistic
catalytic
effects.
Accordingly,
resulting
Rh/HCS-MX
exhibit
outstanding
electrooxidation
properties
in
terms
large
electrochemical
active
surface
areas,
mass/specific
activities,
good
long-term
stability,
all
which
are
significantly
superior
traditional
Rh/carbon
black,
Rh/HCS,
Rh/MXene
as
well
commercial
Pt/carbon
balck
Pd/carbon
electrocatalysts.
