Currently,
two-dimensional
MXenes
have
become
a
quest
for
the
synthesis
bottlenecks
by
conventional
process
due
to
slow
etching
reaction
of
bulk
MAX
phase,
use
hazardous
chemicals,
and
laborious
methods.
Herein,
we
demonstrate
one-step
rapid
conversion
Ti3AlC2
phase
Ti3C2Tx
MXene
nanosheets
on
order
few
minutes
using
supercritical
water.
The
is
demonstrated
remove
metallic
aluminum
interlayers
from
material
with
help
lowest-concentrated
hydrofluoric
acid
(HF)
etchant
up
4
vol
%
instead
40–50
%.
Furthermore,
achieves
as
high
≈61%
yield
within
short
time
30
min
at
temperature
400
°C.
Thereafter,
synthesized
used
measure
electrochemical
performance
both
three-electrode
two-electrode
supercapacitors
well
Li-ion
battery
applications.
specific
capacitance
271.3
F·g–1
0.75
A·g–1
in
system
found
supercapacitor.
Additionally,
capacity
120
mAh·g–1
1
C
obtained
87%
Coulombic
efficiency.
properties
are
then
compared
those
conventionally
prepared
MXene,
showing
be
essentially
comparable.
This
demonstrates
that
do
not
undergo
adverse
changes
structure
or
while
rapidly
scaling.
Thus,
it
can
make
them
viable
further
scale-up
commercialization
forthcoming
days.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: June 25, 2024
Abstract
Since
being
first
published
in
2018,
the
use
of
two-dimensional
MXene
solar
cells
has
attracted
significant
interest.
This
study
presents,
for
time,
synthesis
an
efficient
hybrid
electrocatalyst
form
a
nanocomposite
(MXene/CoS)-SnO
2
designed
to
function
as
high-performance
electron
transfer
layer
(ETL).
The
can
be
divided
into
three
distinct
parts.
part
involves
single-layer
Ti
3
C
T
x
nanosheets,
followed
by
preparation
CoS
solution.
Subsequently,
second
part,
fabrication
MXene/CoS
heterostructure
nanocomposites
is
carried
out,
and
comprehensive
characterization
conducted
evaluate
physical,
structural,
optical
properties.
In
third
attention
on
crucial
characterizations
novel
nanocomposite-electron
transport
(ETL)
solution,
significantly
contributing
evolution
perovskite
cells.
Upon
optimising
composition,
exceptional
power
conversion
efficiency
more
than
17.69%
attained
from
13.81%
control
devices
with
fill
factor
(FF),
short-circuit
current
density
(J
sc
),
open-circuit
voltage
(V
oc
)
were
66.51%,
20.74
mA/cm
,
1.282
V.
Therefore,
this
PCE
21.93%
higher
device.
groundbreaking
(2
mg
mL
−1
strategy
reported
research
represents
promising
innovative
avenue
realization
highly
The
use
of
vanadium(V)-based
materials
as
electrode
in
electrochemical
energy
storage
(EES)
devices
is
promising
due
to
their
structural
and
chemical
variety,
abundance,
low
cost.
V-based
with
a
layered
structure
high
multielectron
transfer
the
redox
reaction
have
been
actively
explored
for
storage.
Our
current
work
presents
properties
vanadium-based
composite
TiO
ECS Journal of Solid State Science and Technology,
Journal Year:
2024,
Volume and Issue:
13(3), P. 031003 - 031003
Published: Feb. 28, 2024
The
objective
of
this
research
was
to
add
nano/micro
composites
red
bricks
in
order
reduce
costs
while
increasing
strength.
A
finite
element
model
(FEM
COMSOL)
created
determine
the
best
cavity
design
and
placement
composite
decrease
density
boost
mechanical
characteristics.
Several
materials
were
used
broaden
brick’s
mechanical,
electrical,
energy
storage,
thermal
uses.
development
a
COMSOL
for
brick
blocks
with
ideal
shape
location
analyzing
characteristics
applied
first
time
paper.
concrete
produced
strengthened
using
two
distinct
types
further
enhance
stretcher
bricks’
nanocomposites.
addition
Al
2
O
3
/Graphite
NPs
influences
properties
clay
bricks.
detached
study
nanoparticles
affects
including
compressive
strength,
water
absorption,
is
reported.
It
also
includes
comparison
traditional
mixtures.
Energy Storage,
Journal Year:
2024,
Volume and Issue:
6(7)
Published: Oct. 1, 2024
ABSTRACT
In
this
research,
the
synthesis
of
a
binary
composite
was
conducted
by
combining
Cu‐MOF
and
Bi
2
WO
6
.
The
resulting
composite,
denoted
as
CuBW,
systematically
prepared
with
varying
weight
percentages:
CuBW20,
CuBW50,
CuBW80.
To
assess
properties
composites,
multiple
characterization
techniques
were
employed,
including
FTIR,
XRD,
FESEM‐Elemental
Mapping,
BET‐BJH,
TEM,
HRTEM‐SAED,
XPS.
composites
subjected
to
electrochemical
testing
utilizing
three‐electrode
system,
3
M
KOH
serving
electrolyte.
Through
study,
various
parameters
evaluated
subsequently
compared
determine
any
differences
or
similarities
among
different
compositions.
CuBW80
exhibits
superior
performance
specific
capacity
1137
F
g
−1
,
energy
11
Wh
kg
power
4000
W
at
an
operating
current
density
0.5
A
cyclic
stability
test,
demonstrated
retaining
approximately
83%
its
initial
capacitance
over
10000
cycles.
This
further
highlights
resilience
durability,
reinforcing
suitability
for
extended
reliable
use
in
storage
applications.
Materials science forum,
Journal Year:
2024,
Volume and Issue:
1132, P. 73 - 78
Published: Nov. 8, 2024
Self-assembled
hierarchical
Bi
2
WO
6
microsphere
was
synthesized
via
a
facile
hydrothermal
method.
The
fabricated
exhibited
up
to
85.3%
Cr(VI)
reduction
efficacy
which
much
greater
than
that
of
commercially
available
P25
TiO
nanoparticles.
Furthermore,
also
produced
about
1.5-fold
H
quantity
in
water
splitting
compared
.
photocatalytic
enhancement
ascribed
its
unique
porous
architecture
and
large
surface
area
can
improve
the
charge
carrier
quantities
for
redox
reactions.
present
study
could
be
useful
fabricating
photocatalyst
with
improved
performance
environmental
remediation
renewable
energy
applications.
Currently,
two-dimensional
MXenes
have
become
a
quest
for
the
synthesis
bottlenecks
by
conventional
process
due
to
slow
etching
reaction
of
bulk
MAX
phase,
use
hazardous
chemicals,
and
laborious
methods.
Herein,
we
demonstrate
one-step
rapid
conversion
Ti3AlC2
phase
Ti3C2Tx
MXene
nanosheets
on
order
few
minutes
using
supercritical
water.
The
is
demonstrated
remove
metallic
aluminum
interlayers
from
material
with
help
lowest-concentrated
hydrofluoric
acid
(HF)
etchant
up
4
vol
%
instead
40–50
%.
Furthermore,
achieves
as
high
≈61%
yield
within
short
time
30
min
at
temperature
400
°C.
Thereafter,
synthesized
used
measure
electrochemical
performance
both
three-electrode
two-electrode
supercapacitors
well
Li-ion
battery
applications.
specific
capacitance
271.3
F·g–1
0.75
A·g–1
in
system
found
supercapacitor.
Additionally,
capacity
120
mAh·g–1
1
C
obtained
87%
Coulombic
efficiency.
properties
are
then
compared
those
conventionally
prepared
MXene,
showing
be
essentially
comparable.
This
demonstrates
that
do
not
undergo
adverse
changes
structure
or
while
rapidly
scaling.
Thus,
it
can
make
them
viable
further
scale-up
commercialization
forthcoming
days.
