Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: April 24, 2025
Abstract
Photothermoelectric
(PTE)
photodetectors
with
self-powered
and
uncooled
advantages
have
attracted
much
interest
due
to
the
wide
application
prospects
in
military
civilian
fields.
However,
traditional
PTE
lack
of
mechanical
flexibility
cannot
operate
independently
without
test
instrument.
Herein,
we
present
a
flexible
photodetector
capable
dual-mode
output,
combining
electrical
optical
signal
generation
for
enhanced
functionality.
Using
solution
processing,
high-quality
MXene
thin
films
are
assembled
on
asymmetric
electrodes
as
photosensitive
layer.
The
geometrically
electrode
design
significantly
enhances
responsivity,
achieving
0.33
mA
W
−1
under
infrared
illumination,
twice
that
symmetrical
configuration.
This
improvement
stems
from
optimized
photothermal
conversion
an
expanded
temperature
gradient.
device
maintains
stable
performance
after
300
bending
cycles,
demonstrating
excellent
flexibility.
A
new
energy
pathway
has
been
established
by
coupling
thermochromic
composite
materials,
leading
real-time
visualization
invisible
radiation.
Leveraging
this
functionality,
demonstrate
first
human–machine
collaborative
imaging
system,
wherein
arrays
synchronously
generate
human-readable
pattern
machine-readable
pattern.
Our
study
not
only
provides
functional
integration
photodetectors,
but
also
sets
benchmark
optoelectronics.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
The
advancement
of
zinc‐ion
batteries
(ZIBs)
is
propelled
by
their
inherent
safety,
cost‐effectiveness,
and
environmental
sustainability.
This
study
investigates
the
role
sulfolane
(SL),
a
polar
aprotic
solvent
with
high
dielectric
constant,
as
an
electrolyte
additive
to
enhance
ion
transport
electrochemical
performance
in
V₂C
MXene
cathodes
for
high‐performance
ZIBs.
addition
1%
SL
optimizes
Zn‐ion
increasing
ionic
conductivity,
suppressing
decomposition,
mitigating
zinc
dendrite
formation.
Galvanostatic
Intermittent
Titration
Technique
(GITT)
analysis
reveals
reduction
Zn
2
⁺
diffusion
coefficient
from
1.54
×
10⁻⁷
cm
/s
m
ZnSO₄
1.07
10⁻⁹
s
−1
SL‐modified
system,
indicating
more
confined
environment.
Electrochemical
Impedance
Spectroscopy
(EIS)
further
demonstrates
substantial
decrease
activation
energy
123.78
65.08
kJ
mol⁻¹,
signifying
improved
charge
transfer
kinetics.
Ex
situ
XRD
confirms
that
stabilizes
phase
transformation
Zn₀.₂₉V₂O₅,
enhancing
structural
integrity.
modified
system
achieves
impressive
specific
capacity
545
mAh
g⁻¹
at
0.5
A
exhibits
exceptional
cycling
stability,
retaining
91%
over
7000
cycles
20
g⁻¹.
These
findings
underscore
potential
key
advancing
MXene‐based
Molecules,
Journal Year:
2025,
Volume and Issue:
30(6), P. 1393 - 1393
Published: March 20, 2025
This
study
presents
an
effective
method
to
remove
organic
dyes
from
wastewater,
using
a
composite
of
few-layered
porous
(FLP)
Ti3C2Tx
MXene
and
polythiophene
(PTh)
nanospheres.
The
FLP
MXene,
which
was
pre-synthesized
by
series
intercalation,
heat-induced
TiO2
formation,
its
selective
etching,
combined
with
PTh
nanospheres
via
simple
solution
method.
effectively
removed
various
dyes,
but
efficiency
altered
depending
on
the
type
dye.
Particularly,
removal
methylene
blue
reached
91.3%
97.8%
after
irradiation
for
10
min
1
h,
respectively.
high
dye
attributed
large
surface
area
(32.01
m2/g)
composite,
strong
electrostatic
interaction
between
molecules,
active
photodegradation
process.
could
facilitate
adsorption
while
photocatalytic
activity
further
enhance
under
light.
These
results
are
indicative
that
PTh/FLP
may
be
promising
material
environmental
remediation
through
synergistic
processes
photocatalysis.
Separations,
Journal Year:
2025,
Volume and Issue:
12(4), P. 78 - 78
Published: March 28, 2025
Edge-capping
modified
MXene
membranes
with
new
channels
created
by
lateral
nanosheets
are
of
great
research
significance.
After
introducing
tripolyphosphate
(STPP)
to
Ti
edges
Ti3C2Tx
and
fabricating
the
STPP-MXene
edge-capping
method,
this
investigated
performance
optimization
mechanism
STPP-modified
in
terms
salt
permeability
(NaCl,
Na2SO4,
MgCl2,
MgSO4)
transmembrane
energy
barriers
(Esalt)
through
concentration
gradient
permeation
test.
Experimental
results
demonstrated
an
approximately
1.86-fold
enhancement
flux
(Js)
compared
membranes.
The
solution–diffusion
model
was
also
introduced
evaluate
solubility
(Ks)
diffusivity
(Ds)
during
permeation.
Furthermore,
analysis
revealed
that
STPP
modification
induced
significantly
larger
reductions
activation
for
magnesium
salts
(MgSO4:
55.1%;
MgCl2:
47.4%)
sodium
(NaCl:
30.5%;
Na2SO4:
30.9%).
This
phenomenon
indicated
weakened
electrostatic
interactions
between
high-valent
Mg2+
membrane
edges,
whereas
limited
charge
density
Na+
resulted
relatively
modest
optimization.
highlight
contribution
capping
on
adjacent
nanosheets.
Therefore,
increased
transportation
rate
cations
across
more
than
twice,
thus
advancing
application
2D
resource
recovery.
