BENTHAM SCIENCE PUBLISHERS eBooks,
Journal Year:
2024,
Volume and Issue:
unknown, P. 271 - 296
Published: June 26, 2024
In
this
chapter,
we
study
the
characteristics
of
2-dimensional
material
Tungsten
Diselenide
(WSe2
),
along
with
its
properties,
applications,
and
challenges.
Here,
present
in
detail
evaluation
TMDC
materials
other
2D
available
comparison
to
WSe2
materials.
We
also
differentiate
these
based
on
their
qualities,
characteristics,
advantages,
applications
detail.
Later,
discuss
designed
device
structure
WSe2FET
simulation
results.
Simulation
analysis
describes
input
output
a
transistor
as
channel
compares
response
conventional
MOSFET.
Thereafter,
hetero-dielectric
performance
different
high-K
values,
then
dielectric-modulated
biosensor
is
sensitivity.
It
observed
from
that
devices
have
high
Ion/Ioff
current
ratio
compared
MOSFET
due
interface
layers
interaction
gate
controlling
capability.
Finally,
sensitivity
behavior
understand
K-value
rises,
increases
because
electrostatic
property
nature.
has
larger
surface-to-volume
ratio,
which
provides
sensing
area
for
interactions
biomolecules,
potentially
enhancing
biosensor.<br>
Sensors,
Journal Year:
2025,
Volume and Issue:
25(8), P. 2457 - 2457
Published: April 14, 2025
E.
coli
O157:H7
contamination
in
food
and
the
environment
poses
a
serious
threat
to
human
health.
Rapid
sensitive
identification
of
foodborne
pathogens
remains
challenging.
Here,
we
prepared
tungsten
disulfide
(WS2)–Au
nanocomposites
coupled
with
Raman
signal
molecule
5,5′-dithio-bis-(2-nitrobenzoic
acid)
(DTNB)
antibodies
replace
conventional
colloidal
gold
nanoparticles
applied
SERS-active
nanotags
SERS-ICA
method
for
highly
detection
O157:H7.
The
large
surface
area
numerous
effective
SERS
hotspots
WS2-Au
provide
superior
signals.
Under
optimized
conditions,
this
ICA
achieves
quantitative
broad
linear
range
8
×
102–8
107
CFU/mL
at
low
limit
175
CFU/mL.
In
addition,
test
strip
indicates
high
specificity
identification,
favorable
reproducibility,
shows
good
accuracy
actual
samples,
such
as
milk
pork.
proposed
assay
can
be
used
rapid
qualitative
has
great
potential
field
application.
ECS Journal of Solid State Science and Technology,
Journal Year:
2024,
Volume and Issue:
13(10), P. 101003 - 101003
Published: Oct. 1, 2024
Improved
pseudo-capacitance
performance
can
be
obtained
by
phosphates
and
transition-metal
oxides
achieving
oxidation
states
that
boost
redox
(reduction-oxidation)
processes.
In
this
work,
the
nickel
magnesium
phosphate
(NiMgPO
4
)
is
synthesized
using
hydrothermal
method,
Additional,
carbon
nanotubes
(CNTs)
are
blended
with
NiMgPO
.
To
build
supercapattery
device
@CNT//AC)
evaluate
its
electrochemical
characteristics,
we
used
@CNT
as
anode
&
activated
cathode.
We
also
X-ray
diffraction,
scanning
electron
micrscopy,
Brunauer–Emmett–Teller,
photoelectron
spectroscopy
techniques
to
analyze
crystal
structure,
surface
area,
elemental
composition.
The
nanocomposite
demonstrated
a
high
specific
capacity
of
1243
C
g
−1
or
2071.66
F
in
three-electrode
system,
which
was
much
more
than
separate
reference
materials.
shows
251
,
energy
density
44.5
Wh
kg
power
1030
W
observed.
hybrid
electrode
exhibited
retention
85%
after
5000
cycles
columbic
efficiency
91%
during
stability
measurement.
These
findings
emphasize
NiMgPO4@CNT’s
potential
an
composite
material
holds
promise
for
high-performance
building.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(9), P. 3592 - 3592
Published: April 24, 2024
Transition
metal
dichalcogenides
are
widely
studied
for
their
photocatalytic
ability
due
to
the
adjustable
bandgap,
high
carrier
mobility
and
possibility
of
foreign-element
doping.
In
this
work,
multilayer
molybdenum
diselenide
(MoSe2)
was
decorated
with
ultra-fine
Pt
nanoparticles
through
mild
hydrothermal
method.
MoSe2-Pt
nanocomposites
were
synthesized
showed
good
structural
chemical
stabilities.
The
incorporation
provides
plenty
active
sites
MoSe2.
dominant
particle
sizes
1.8
nm,
1.9
nm
three
samples,
respectively.
mean
crystal
(111)
calculated
from
X-ray
diffraction
patterns
we
found
that
they
in
accordance
sizes.
Both
related
synthesis
conditions.
photoelectron
spectroscopy
(XPS)
characterizations
revealed
formation
Se–Pt
bonding.
relative
contents
Pt–Se
bonding
also
XPS
results,
show
same
trends
as
optical
absorption
properties.
Combining
effects
during
photo-related
process
could
be
further
confirmed.
By
degrading
methylene
blue
(MB)
under
visible
light,
proved
promising
application
real-case
degradation
organic
pollutants.
sample
a
moderate
content
MoSe2
exhibited
best
photodegradation
efficiency,
which
explained
by
maximum
Pt-Se
contents.
Based
on
experimental
findings,
proposed
possible
mechanism.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(13), P. 3207 - 3207
Published: July 5, 2024
Poly(p-phenylene
ethynylene)
(PPE)
molecular
wires
are
one-dimensional
materials
with
distinctive
properties
and
can
be
applied
in
electronic
devices.
Here,
the
approach
called
first-principles
quantum
transport
is
utilized
to
investigate
PPE
wire
field-effect
transistor
(FET)
efficiency
limit
through
geometry
of
gate-all-around
(GAA)
instrument.
It
observed
that
n-type
GAA
FETs
a
suitable
gate
length
(
