Stabilizing Ti3C2Tx by Chelation in Copper Ion Solution
The Journal of Physical Chemistry C,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
MXenes
attract
interest
in
diverse
fields
but
suffer
from
fast
structural
degradation
aqueous
solutions
and
even
worse
the
presence
of
transition
metal
ions.
This
hinders
storage
preparation
MXene-based
composites.
Here,
we
report
an
efficient
way
to
stabilize
Ti3C2Tx
MXene
Cu2+
solution
by
chelation
chemistry
using
trisodium
citrate
dihydrate
(SC).
Furthermore,
a
BiCuS1.5/Ti3C2Tx
composite
was
successfully
prepared
with
SC,
during
which
is
more
stable
than
that
without
additives.
The
results
show
stabilization
beneficial
utilizing
synergistic
advantages
compounds
for
zinc
ion
batteries.
work
provides
simple
paradigm
enhancing
antioxidation
at
room
high
temperatures
water
ions,
opening
new
prospects
applications.
Язык: Английский
GO-Enhanced MXene Sediment-Based Inks Achieve Remarkable Oxidation Resistance and High Conductivity
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 14, 2025
MXenes
are
emerging
materials
renowned
for
their
exceptional
conductivity,
abundant
functional
groups,
and
excellent
solution
processability,
making
them
highly
promising
as
conductive-additive-free
inks
flexible
electronic
devices.
However,
current
preparation
methods
hampered
by
low
yields
of
MXene
flakes
so
that
substantial
waste
sediments
(MS)
generated.
Here,
we
demonstrate
a
type
conductive
ink
with
appropriate
rheological
properties,
namely
MG
formulated
using
MS
graphene
oxide
(GO),
screen-printing
frequency
selective
surface
(FSS).
GO
facilitates
interlayer
interactions
covalently
cross-linking
flakes,
resulting
in
denser
structure
significantly
enhancing
the
conductivity
best-performing
MG-based
to
849
S
cm-1.
Additionally,
serves
binder
considerably
improve
properties
MS,
thus
enabling
high-quality
printing
on
various
substrates.
The
close
stacking
not
only
improves
oxidation
resistance
but
also
maintains
above
97%
even
after
60
days.
Furthermore,
FSS
produced
via
straightforward
screen
demonstrates
performance
retains
its
functionality
90
days
operation.
This
MS-based
formulation
represents
strategy
"turning
trash
into
treasure"
highlights
potential
next
generation
Язык: Английский
Ultraviolet Photothermal Radiation Customized Nitrogen Terminals of Ti3C2Tx MXene for High-Performance Supercapacitors
Langmuir,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 1, 2025
Two-dimensional
MXenes
have
emerged
as
exceptional
electrode
materials
for
supercapacitors
(SCs),
making
them
highly
attractive
energy
storage
and
conversion
applications.
However,
their
electrochemical
performance
is
strongly
influenced
by
surface
terminal
groups
interlayer
spacing.
In
this
study,
we
introduce
an
ultraviolet(UV)-induced
nitrogen-doping
method
that
employs
UV
radiation
to
promote
the
thermal
decomposition
of
ammonium
oxalate
while
inducing
nitrogen-doping.
The
resulting
UV-induced
nitrogen-doped
Ti3C2Tx
(I-Ti3C2Tx-N)
exhibits
a
high
N
doping
level
1.46
at.
%
expanded
lattice
spacing
1.43
nm.
As
result,
I-Ti3C2Tx-N
demonstrates
pseudocapacitance
performance,
achieving
remarkable
specific
capacitance
466.28
F
g-1,
significantly
exceeding
raw
(367.96
g-1).
Furthermore,
when
integrated
into
quasi-solid-state
SC
device,
it
delivers
impressive
density
12.58
Wh
kg-1
at
power
250.00
W
kg-1.
enhanced
attributed
effects
radiation,
which
introduces
groups,
eliminates
detrimental
-F
-OH
terminals,
increases
This
study
highlights
simple
yet
effective
modifying
MXene
materials,
offering
another
way
optimizing
properties
in
Язык: Английский
Designing a Layered MXene–PA–GA Hybrid Composite with Rust Conversion and Extensive Barrier Performance for Corrosion Prevention
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 1, 2025
The
continuous
development
of
the
global
marine
industry
has
posed
significant
challenges
to
sustainable
due
corrosion
in
engineering
structures.
While
rust
converters
are
regarded
as
cost-effective
solutions
for
mitigation,
existing
technological
advancements
fail
meet
heightened
demands
contemporary
practices.
To
address
these
limitations,
an
MXene-phytic
acid-gallic
acid
(M-P-G)
hybrid
composite
was
synthesized
by
integrating
two-dimensional
nanomaterial
Ti3C2Tx
with
organic
acids
(gallic
and
phytic
acid).
This
achieved
synergistic
enhancement
both
rust-conversion
capability
inhibition
performance.
Experimental
results
demonstrated
that
M-P-G
a
mass
fraction
1.0
wt
%
formed
dense
layer
on
substrates,
significantly
improving
protective
M-P-G/epoxy
(EP)
coating
exhibited
impedance
modulus
1.51
×
109
Ω
cm2,
surpassing
conventional
coatings
2
orders
magnitude.
Furthermore,
through
density
functional
theory
calculations
combined
scanning
electron
microscopy,
X-ray
photoelectron
spectroscopy,
diffraction,
Fourier
transform
infrared
analyses,
protection
mechanism
proposed.
elucidated
differential
conversion
capacities
toward
diverse
products,
providing
critical
insights
rational
design
evaluation
next-generation
anticorrosion
materials.
Язык: Английский