Digest Journal of Nanomaterials and Biostructures,
Год журнала:
2024,
Номер
19(4), С. 1711 - 1718
Опубликована: Ноя. 15, 2024
Two-dimensional
(2D)
structure
g-C3N4
was
prepared
via
thermal
oxidation
etching
at
different
temperatures.
Under
simulated
solar
illumination,
the
photocatalytic
properties
of
catalysts
were
estimated
by
degrading
tetracycline
(TC).
Owing
to
enlarged
specific
surface
area,
2D
nanosheets
demonstrated
superior
performance.
Furthermore,
as
temperature
increased,
degradation
efficiency
also
increased.
When
bulk
exfoliated
525°C,
highest
TC
reached
84.0%.
Abstract
Te‐MoTe
2
‐MoSe
/ZnO
S‐scheme
heterojunctions
are
engineered
to
ascertain
the
advanced
redox
ability
in
sustainable
HER
operations.
Photo‐physical
studies
have
established
steady
state
transfer
of
photo‐induced
charge
carriers
whereas
an
improved
dynamics
realized
by
state‐of‐art
ultrafast
transient
absorption
and
irradiated‐XPS
analysis
optimized
5wt%
heterostructure.
2.5,
5,
7.5wt%
photocatalysts
(2.5MTMZ,
5MTMZ
7.5MTMZ)
exhibited
2.8,
3.3,
3.1‐fold
higher
performance
than
pristine
ZnO
with
marvelous
apparent
quantum
efficiency
35.09%,
41.42%
38.79%
at
rate
4.45,
5.25,
4.92
mmol/g
cat
/h,
respectively.
Electrochemical
water
splitting
experiments
manifest
subdued
583
566
mV
overpotential
values
2.5MTMZ
heterostructures
achieve
10
mA
cm
−2
current
density
for
HER,
961
793
OER,
For
photocatalyst,
lifetime
kinetic
decay
interfacial
step
is
evaluated
be
138.67
ps
as
compared
52.92
bare
ZnO.
ACS Applied Energy Materials,
Год журнала:
2024,
Номер
7(17), С. 7325 - 7337
Опубликована: Авг. 20, 2024
Sustainable
H2
energy
generation
through
water
splitting
prevalently
demands
systematically
designed
multifaceted
state-of-the-art
catalysts.
Herein,
unique
Te–MoTe2–MoS2/ZnO
heterostructured
nanocatalysts
were
engineered
hydrothermally
for
photo-/electro-/photoelectrochemical
functionalities
probed
to
ascertain
the
catalytic
efficiency
toward
production.
Optimized
2.5%
(2.5TMMZ)
heterojunctions
performed
at
an
applicable
standard
with
a
production
rate
of
5.2
(mmol/gcat)/h
41%
AQY
during
photochemical
experiments.
Fs-TAS
studies
confirmed
delayed
lifetime
active
charge
carriers
shallow
and
deep
trap
sites
in
heterostructure.
Electrochemical
corroborated
remarkable
HER
OER
activities
2.5TMMZ
−0.51
0.76
V
overpotentials.
Photoelectrochemical
investigations
deciphered
potential
as
it
yielded
nearly
3-fold
higher
photocurrent
density
than
ZnO.
To
achieve
equilibrium
between
conductivity–stability
system,
Te/S
edge
Te–MoTe2–MoS2
exhibited
affinity
H+
adsorption,
whereas
ZnO
end
catalyst
took
care
photosensitization
demonstrated
via
optoelectronic
theoretical
characterizations
alongside
S-scheme
mechanism.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
319, С. 100531 - 100531
Опубликована: Июнь 12, 2024
Nanoparticles
of
tungsten
oxide
are
widely
used
in
advanced
chemical
processes
but
the
application
(WO3)
photocatalysis
is
limited.
To
increase
their
photocatalysis,
nanostructured
(W-1)
co-doped
with
silver
and
copper
(W-2),
nanocomposites
g-C3N4
(W-3)
CNTs
(W-4)
synthesized.
Structural,
elemental,
morphological
analyses
prepared
samples
were
carried
out
using
different
characterization
techniques
like
XRD,
SEM,
FTIR,
EDX,
Mott-Schottky.
The
bandgap
WO3
2.75
eV
which
reduced
to
2.32
by
doping
composite
formation.
degradation
crystal
violet
chlorpyrifos
done
check
photocatalytic
performance
materials
under
light
bulb
energy.
Photodegradation
experiment
shows
83.33
%
41
CV
respectively.
higher
ability
shown
composites
because
they
have
smaller
crystallite
size
(12.81
nm)
as
compared
other
photocatalysts.
In
presence
CNTs,
rate
recombination
holes
electrons
decreases,
resulting
enhancement
activity.
research
reveals
that
W-4
exhibits
promising
potential
for
applications
photodegradation
organic
wastes.
Langmuir,
Год журнала:
2024,
Номер
40(28), С. 14486 - 14503
Опубликована: Июль 6, 2024
Electrochemical
sensing
is
emerging
as
a
method
of
choice
for
the
and
monitoring
contaminants
in
water.
Various
platforms
have
been
designed
heavy
metal
ions
organic
pollutants
water
bodies.
Herein,
we
report
new
electrochemical
platform
that
can
be
used
detection
both
nitro-based
The
sensor
uses
modified
electrode
based
on
Fe
