Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 5930 - 5930
Published: Dec. 16, 2024
A
highly
versatile
Z-scheme
heterostructure,
Ho2SmSbO7/YbDyBiNbO7
(HYO),
was
synthesized
using
an
ultrasonic-assisted
solvent
thermal
method.
The
HYO
heterojunction,
composed
of
dual
A2B2O7
compounds,
exhibits
superior
separation
photogenerated
carriers
due
to
its
efficient
mechanism.
synergistic
properties
Ho2SmSbO7
and
YbDyBiNbO7,
particularly
the
excellent
visible
light
absorption,
enable
achieve
exceptional
photocatalytic
performance
in
degradation
fenitrothion
(FNT).
Specifically,
demonstrated
outstanding
removal
efficiency
99.83%
for
FNT
a
mineralization
rate
98.77%
total
organic
carbon
(TOC)
during
process.
Comparative
analyses
revealed
that
significantly
outperformed
other
photocatalysts,
including
Ho2SmSbO7,
N-doped
TiO2,
achieving
rates
were
1.10,
1.20,
2.97
times
higher
FNT,
respectively.
For
TOC
mineralization,
exhibited
even
greater
enhancements,
with
1.13,
1.26,
3.37
than
those
aforementioned
catalysts.
Additionally,
stability
durability
systematically
evaluated,
confirming
potential
applicability
practical
scenarios.
Trapping
experiments
electron
paramagnetic
resonance
conducted
identify
active
species
generated
by
HYO,
specifically
hydroxyl
radicals
(•OH),
superoxide
anions
(•O2−),
holes
(h+).
This
facilitated
comprehensive
understanding
mechanisms
pathways
associated
FNT.
In
conclusion,
this
study
represents
substantial
contribution
advancement
heterostructure
offers
critical
insights
development
sustainable
remediation
approaches
aimed
at
mitigating
contamination.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Sept. 9, 2024
Abstract
Semiconductor
photocatalysis
holds
great
promise
for
renewable
energy
generation
and
environment
remediation,
but
generally
suffers
from
the
serious
drawbacks
on
light
absorption,
charge
transport,
structural
stability
that
limit
performance.
The
core–shell
semiconductor-graphene
(CSSG)
nanoarchitectures
may
address
these
issues
due
to
their
unique
structures
with
exceptional
physical
chemical
properties.
This
review
explores
recent
advances
of
CSSG
in
photocatalytic
It
starts
classification
by
dimensionality.
Then,
construction
methods
under
internal
external
driving
forces
were
introduced
compared
each
other.
Afterward,
physicochemical
properties
applications
discussed,
a
focus
role
photocatalysis.
ends
summary
some
perspectives
future
development
toward
highly
efficient
photocatalysts
extensive
application.
By
harnessing
synergistic
capabilities
architectures,
we
aim
pressing
environmental
challenges
drive
scientific
progress
fields.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Sept. 16, 2024
Highly
dispersed
Cobalt
doped
ZnS
nanostructures
were
successfully
fabricated
on
the
surfaces
of
graphene
sheets
via
a
simple
hydrothermal
method.
X-ray
diffraction
(XRD),
photocurrent
spectroscopy
(XPS),
Raman
(RS),
Fourier
transform
infrared
(FTIR)
and
Scanning
electron
microscopy
(SEM)
utilized
to
analyze
structural
characteristics
cobalt
decorated
with
International Journal of Environmental Research and Public Health,
Journal Year:
2023,
Volume and Issue:
20(2), P. 1357 - 1357
Published: Jan. 11, 2023
Chlorophenols,
as
a
major
environmental
pollutant,
enter
water
systems
through
industrial
wastewater,
agricultural
runoff
and
chemical
spills,
they
are
stable,
persistent
under
natural
conditions,
highly
hazardous
to
resources.
The
objective
of
this
article
is
prepare
Ag2S-modified
C3N4
three-dimensional
network
photocatalyst
by
calcination
method
use
photocatalysis
an
efficient,
safe,
environmentally
friendly
degrade
chlorophenols.
Ag2S/C3N4
has
excellent
visible
light
absorption
range,
low
band
gap,
effective
separation
photogenerated
charges,
active
free
radicals
production,
all
which
make
for
the
enhancement
photocatalytic
degradation
performance
system.
Under
irradiation
(λ
≥
420
nm),
efficiency
2,4,6-Trichlorophenol
reach
95%
within
150
min,
stable
activity
can
still
be
maintained
different
pH
environment
four
cycles.
When
Ag2S
loaded
on
ACNs,
more
electrons
generated
subsequent
reactions
produce
reactive
groups
such
•O2−
•OH
that
will
originally
able
continuously
attack
TCP
molecules
pollutants.
Therefore,
study
shows
provides
novel
research
approach
realizing
application
in
field
pollutant
degradation.
