Chalcogenide Letters,
Journal Year:
2024,
Volume and Issue:
21(7), P. 499 - 511
Published: Aug. 5, 2024
With
society's
rapid
progress,
there
is
an
increasing
need
for
electricity
among
individuals,
but
the
prevailing
source
of
still
mainly
obtained
through
burning
nonrenewable
fossil
fuels,
which
are
not
renewable
and
pose
serious
environmental
hazards.
Lithium-ion
batteries
used
widely
excellent
rechargeable
capabilities
high
energy
density.
Recently,
researchers
have
become
increasingly
interested
in
transition
metal
sulfides
owing
to
their
cost-effectiveness
remarkable
specific
capacity.
However,
commercialization
has
been
hindered
by
expansion
material
volume
low
electrical
conductivity
during
charging
discharging.
We
successfully
designed
synthesized
MoS2
nanosheets
loaded
on
carbon
spheres
with
a
3D
hollow
structure
starting
from
SiO2
as
template.
Due
doping
materials
particular
structures,
optimal
C/MoS2-0.3
nanocomposites
exhibit
electrochemical
performance.
Following
exposure
over
900
cycles
at
0.5
A
g-1
ampere
density,
exhibited
exceptional
958.50
mAh
reversible
capacity,
demonstrating
Coatings,
Journal Year:
2025,
Volume and Issue:
15(2), P. 146 - 146
Published: Jan. 28, 2025
In
this
work,
we
report
the
properties
of
molybdenum
disulfide
(MoS2)
thin
films
deposited
on
p-type
silicon
substrate
using
RF
magnetron
sputtering.
The
structural,
vibrational
and
morphological
MoS2
were
investigated
Raman
spectroscopy,
X-ray
diffraction
technique
(XRD),
atomic
force
microscope
(AFM)
scanning
electron
(SEM).
spectroscopy
result
showed
appearance
broad
E12g
A1g
peaks
even
without
DC
biasing
becomes
sharp
distinct
when
is
biased
at
60
V.
Post-deposition
annealing
in
sulfur
ambient
resulted
confirming
formation
film
improved
Mo-S
bonding
top
surface.
spectra
samples
validates
with
[002]
XRD
peak,
substrates
are
biased.
Improved
effects
reduction
nano-sized
defects,
advent
continuous
low
surface
rms
roughness
value
0.872
nm,
observed
post
annealing.
A
back-gated
transistor
was
fabricated
Al
as
source-drain
contacts
semiconducting
channel.
exhibited
transfer
characteristics
threshold
voltage
−3.8
As
a
exposure,
MoO3
fragments
thinned
layer
extraction
hole
from
MoS2,
resulting
behavior
transistor.
combination
analysis,
measurements
EDS
data
confirmed
inclusions
film.
Zeitschrift für Naturforschung A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Abstract
Two-dimensional
transition
metal
dichalcogenides
(TMDCs)
stand
as
pivotal
materials
with
extraordinary
physical
and
chemical
properties,
showcasing
immense
potential
across
various
fields
including
sensors,
catalysts,
medicine,
energy
storage,
conversion.
Among
these,
molybdenum
disulfide
(MoS
2
),
a
prominent
TMDCs
member,
has
captured
considerable
attention
due
to
its
graphene-like
layered
structure,
small
band
gap
(∼1.8
eV),
superior
theoretical
capacity
relative
graphene.
This
review
paper
meticulously
presented
an
analysis
of
MoS
structural
properties
encompassing
phases
2H
(hexagonal),
1T
(trigonal),
3R
(rhombohedral)
alongside
their
respective
lattice
constants.
Additionally,
diverse
synthesis
approach
like
hydrothermal,
sol–gel,
solvothermal
methods
have
been
discussed.
The
primary
emphasis
this
applications
in
specifically
role
lithium-ion
batteries
supercapacitors.
underscores
the
significant
impact
advancing
energy-related
technologies
hints
at
catalysts
sensors
for
medical
conversion
applications.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(8), P. 3319 - 3319
Published: April 8, 2023
Lithium-ion
batteries
(LIBs)
have
been
explored
to
meet
the
current
energy
demands;
however,
development
of
satisfactory
anode
materials
is
a
bottleneck
for
enhancement
electrochemical
performance
LIBs.
Molybdenum
trioxide
(MoO3)
promising
material
lithium-ion
due
its
high
theoretical
capacity
1117
mAhg-1
along
with
low
toxicity
and
cost;
it
suffers
from
conductivity
volume
expansion,
which
limits
implementation
as
anode.
These
problems
can
be
overcome
by
adopting
several
strategies
such
carbon
nanomaterial
incorporation
polyaniline
(PANI)
coating.
Co-precipitation
method
was
used
synthesize
α-MoO3,
multi-walled
CNTs
(MWCNTs)
were
introduced
into
active
material.
Moreover,
these
uniformly
coated
PANI
using
in
situ
chemical
polymerization.
The
evaluated
galvanostatic
charge/discharge,
cyclic
voltammetry
(CV)
impedance
spectroscopy
(EIS).
XRD
analysis
revealed
presence
orthorhombic
crystal
phase
all
synthesized
samples.
MWCNTs
enhanced
material,
reduced
changes
increased
contact
area.
MoO3-(CNT)12%
exhibited
discharge
capacities
1382
961
at
densities
50
mAg-1
100
mAg-1,
respectively.
coating
stability,
prevented
side
reactions
electronic/ionic
transport.
good
MWCNTS
stability
make
appropriate
application
CrystEngComm,
Journal Year:
2024,
Volume and Issue:
26(25), P. 3370 - 3382
Published: Jan. 1, 2024
After
optimizing
the
content
of
glucose
and
structure
carbon
nanotubes,
composite
was
achieved.
Carbon
nanotubes
were
used
to
control
vulcanization
growth
MoS
2
.
The
@C
composites
delivered
excellent
electrochemical
properties.