Metal
sulfides,
characterized
by
high
crystalline
stability
and
narrowed
band
gap,
are
recognized
as
effective
electrode
materials
for
energy
storage
in
alkaline
environments.
This
study
enhances
the
surface
activity
Co9S8/Ni3S2
hollow
nanorod
arrays
incorporating
phosphorus
(P)
doping.
In
situ
Raman
spectroscopy
confirms
that
P
doping
facilitates
rapid
reconstruction
media,
resulting
substantial
amounts
of
oxyhydroxides
significantly
enhance
density
supercapacitors.
The
optimized
P–Co9S8/Ni3S2
(1
h)
demonstrates
a
4.56-fold
increase
performance
over
original
Co9S8/Ni3S2,
achieving
capacitance
20.5
F·cm–2
at
3
mA·cm–2
2
M
KOH.
hybrid
supercapacitor
device
assembled
with
activated
carbon
achieves
an
1.73
mWh
cm–2
power
4.95
mW
cm–2,
showcasing
cycling
life
84.6%
capacity
retention
after
10,000
cycles.
work
effectively
reconstructs
oxyhydroxide
species
on
electrodes
environments
through
engineering,
providing
valuable
guidance
design
reconstructions
metal
sulfide
using
atom
engineering.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Quantum
sheets
of
transition-metal
dichalcogenides
(TMDs)
are
promising
nanomaterials
owing
to
the
combination
both
2D
nanosheets
and
quantum
dots
with
distinctive
properties.
However,
usually
possess
semiconducting
behavior
associated
2H
phase,
it
remains
challenging
produce
1T-phase
due
easy
sliding
basal
plane
susceptible
small
lateral
sizes.
Here,
an
efficient
high-entropy
strategy
is
developed
disulfides
based
on
controllable
introduction
multiple
metal
atoms
large
size
differences
retard
plane.
The
key
topological
conversion
in-plane
ordered
carbide
laminates
(i-MAX)
compatible
high
strains
1T
which
facilely
triggers
fracture
into
average
4.5
nm
thickness
0.7
during
exfoliation
process.
Thus,
disulfide
show
electrocatalytic
activities
for
lithium
polysulfides,
achieving
a
good
rate
performance
744
mAh
g-1
at
5
C
long
cycle
stability
in
lithium-sulfur
batteries.
Energies,
Journal Year:
2025,
Volume and Issue:
18(5), P. 1223 - 1223
Published: March 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.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(10), P. 689 - 689
Published: Oct. 3, 2024
Two-dimensional
transition
metal
dichalcogenides
(TMDs),
also
known
as
MX2,
have
attracted
considerable
attention
due
to
their
structure
analogous
graphene
and
unique
properties.
With
superior
electronic
characteristics,
tunable
bandgaps,
an
ultra-thin
two-dimensional
structure,
they
are
positioned
significant
contenders
in
advancing
electrocatalytic
technologies.
This
article
provides
a
comprehensive
review
of
the
research
progress
TMDs
field
water
splitting.
Based
on
fundamental
properties
principles
electrocatalysis,
strategies
enhance
performance
through
layer
control,
doping,
interface
engineering
discussed
detail.
Specifically,
this
delves
into
basic
properties,
reaction
mechanisms,
measures
improve
catalytic
splitting,
including
creation
more
active
sites,
phase
engineering,
construction
heterojunctions.
Research
these
areas
can
provide
deeper
understanding
guidance
for
application
thereby
promoting
development
related
technologies
contributing
solution
energy
environmental
problems.
hold
great
potential
future
needs
further
explore
develop
new
TMD
materials,
optimize
catalysts
achieve
efficient
sustainable
conversion.
Additionally,
it
is
crucial
investigate
stability
durability
during
long-term
reactions
longevity.
Interdisciplinary
cooperation
will
bring
opportunities
research,
integrating
advantages
different
fields
from
practical
application.
Direct
Z-scheme-heterostructures
with
enhanced
redox
potential
are
increasingly
regarded
as
promising
materials
for
solar-driven
water-splitting.
This
arises
from
the
synergistic
interaction
between
intrinsic
dipoles
in
Janus
and
interfacial
electric
fields
across
layers.
In
this
study,
we
explore
photocatalytic
of
20
two-dimensional
Janus-transition-metal-dichalcogenide
(TMD)
heterobilayers
efficient
Utilizing
density-functional
theory
calculations,
first
screen
these
based
on
key
properties
such
band
gaps
magnitude
to
identify
candidates.
We
then
evaluate
additional
critical
factors,
including
carrier
mobility
surface
chemical
reactions,
fully
assess
their
performance.
By
examining
alignment
synthetic
internal
fields,
distinguish
Type-I,
Type-II,
Z-scheme
configurations,
enabling
targeted
design
optimal
materials.
Furthermore,
employ
Fröhlich
model
quantify
contributions
longitudinal-optical
phonon
mode,
providing
detailed
insights
into
how
mobility,
influenced
by
scattering,
affects
Our
results
reveal
that
several
Janus-TMDC
heterobilayers,
WSe2-SWSe,
WSe2-TeWSe,
WS2-SMoSe,
exhibit
strong
absorption
visible
spectrum
achieve
solar-to-hydrogen
conversion
efficiencies
up
33.24%.
research
highlights
a
viable
pathway
advancing
clean
energy
generation
through
processes.
Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: Jan. 8, 2025
Abstract
Two-dimensional
transition
metal
dichalcogenides
(2D
TMDCs)
have
received
considerable
attention
in
local
strain
engineering
due
to
their
extraordinary
mechanical
flexibility,
electonic
structure,
and
optical
properties.
The
strain-induced
out-of-plane
deformations
2D
TMDCs
lead
diverse
excitonic
behaviors
versatile
modulations
properties,
paving
the
way
for
development
of
advanced
quantum
technologies,
flexible
optoelectronic
materials,
straintronic
devices.
Research
on
has
been
delved
into
fabrication
techniques,
electronic
state
variations,
applications.
This
review
begins
by
summarizing
state-of-the-art
methods
introducing
TMDCs,
followed
an
exploration
impact
intriguing
phenomena
resulting
from
strain,
such
as
exciton
funnelling
anti-funnelling,
are
also
discussed.
We
then
shift
focus
application
locally
strained
emitters,
with
various
strategies
outlined
modulating
properties
TMDC-based
emitters.
Finally,
we
discuss
remaining
questions
this
field
provide
outlook
future
TMDCs.
Applied Physics Letters,
Journal Year:
2025,
Volume and Issue:
126(7)
Published: Feb. 17, 2025
Wearable
thermoelectric
generators
(WTEGs)
are
of
significance
in
the
conversion
body
heat
into
electricity
for
purpose
powering
wearable
electronic
devices.
Two-dimensional
(2D)
transition
metal
dichalcogenides
(TMDCs)
exhibit
exceptional
power
factors
and
mechanical
stability,
making
them
promising
flexible
materials.
However,
output
voltage
present
TMDC-based
WTEGs
remains
at
a
relatively
low
level.
In
this
study,
we
precisely
modulate
structure
titanium
disulfide
(TiS2)
nanosheets
restacked
film
by
surface
modification,
leading
to
decoupling
phenomenon
simultaneous
rise
electrical
conductivity
Seebeck
coefficient.
This
method
enhances
factor
approximately
14
times
compared
pre-modified
samples.
We
fabricated
self-reassembly
WTEG
using
1T-phase
molybdenum
(MoS2)
as
p-type
material
modified
TiS2
an
n-type
material.
The
generator
achieved
15
mV
while
harvesting
from
human
arm,
showcasing
its
potential
practical
applications.
