A
straightforward,
single-stage
hydrothermal
approach
was
utilized
to
synthesize
a
unique
CuO@rGO-MoS2
nanocomposite,
featuring
nest-mimicking
architecture.
It
has
highly
efficient
heterogeneous
catalyzed
property
that
can
catalyze
and
activate
the
peroxymonosulfate
(PMS)
by
means
of
radical
(•OH,
SO4•-,
O2•-)
nonradical
(1O2)
pathways
generate
ROS
for
rapid
degradation
organic
dye
rhodamine
B
(Rh.B).
Graphene
oxide,
which
high
specific
surface,
serves
as
an
excellent
carrier
achieves
homogeneous
dispersion
main
catalyst
component
gives
series
oxygen-containing
functional
groups
become
active
centers
route
activation.
Through
experimental
DFT
calculation,
it
revealed
MoS2
cocatalyst
accelerated
redox
cycle
Cu
center
during
activation
PMS
via
catalysis,
further
enhancing
catalytic
activity
nanocomposites.
And
thus
CuO@rGO-MoS2/PMS
system
with
bird's-nest
like
structure
Rh.B
in
short
period,
decomposition
efficiency
reaches
99%
within
30
min
duration
reaction.
Besides,
this
exhibits
resistance
environmental
interference,
demonstrating
commendable
across
broad
pH
spectrum
(pH
5-11)
levels
common
interfering
ions
(Cl-,
NO3-,
SO42-,
etc.).
To
conclude,
study
tried
propose
validate
design
idea
based
on
selecting
appropriate
catalysts,
cocatalysts,
carriers
achieve
improved
performance
stability
synthesized
catalysts
strategy
have
shown
good
performances
real
wastewater.
Eco-Environment & Health,
Год журнала:
2024,
Номер
3(4), С. 418 - 424
Опубликована: Авг. 23, 2024
With
the
rapid
development
of
industry,
agriculture,
and
urbanization,
various
organic
pollutants
have
accumulated
in
natural
water,
posing
a
potential
threat
to
both
ecological
environment
human
beings,
removing
from
water
is
an
urgent
priority.
Piezoelectric
techniques,
with
advantages
green,
simple
operation,
high
efficiency,
are
highly
sought
after
degradation
environmental
pollutants.
Moreover,
combining
piezoelectric
techniques
advanced
oxidation
processes
(AOPs),
photocatalysis,
or
electrocatalysis
can
further
effectively
promote
efficient
target
Therefore,
perspective
presented
on
recent
progress
for
aqueous
solutions.
The
classification
materials,
as
well
modification
strategies
improving
piezocatalysis,
first
systematically
summarized.
Furthermore,
latest
research
piezocatalysis
its
combination
other
technologies,
such
AOPs,
electrocatalysis,
discussed.
mechanisms
also
analyzed
depth.
Finally,
challenges
future
opportunities
provided.
Langmuir,
Год журнала:
2024,
Номер
40(9), С. 4953 - 4965
Опубликована: Фев. 20, 2024
The
preparation
of
catalysts
with
heterojunction
structures
is
a
strategy
to
achieve
efficient
charge
separation
and
high
photocatalytic
activity
photocatalysts.
In
this
work,
BiPO4/KNbO3
heterostructure
photocatalysts
were
fabricated
by
combination
hydrothermal
precipitation
methods
subsequently
employed
in
catalyzing
N2-to-NH3
conversion
RhB
degradation
under
light
illumination.
Morphological
analysis
revealed
the
effective
dispersion
BiPO4
on
KNbO3
nanocubes.
Band
structure
suggests
that
exhibit
suitable
band
potentials
form
an
S-scheme
heterojunction.
Under
joint
action
built-in
electric
field
at
interface,
energy
bending,
Coulomb
attraction
force,
photogenerated
electrons
holes
low
redox
performance
are
consumed,
while
those
effectively
spatially
separated.
Consequently,
shows
enhanced
activity.
NH3
production
rate
optimal
sample
2.6
5.8
times
higher
than
BiPO4,
respectively.
photoactivity
also
observed
RhB.
This
study
offers
valuable
insights
for
design
Ultrasonics Sonochemistry,
Год журнала:
2024,
Номер
107, С. 106912 - 106912
Опубликована: Май 17, 2024
The
United
Nations'
Sustainable
Development
Goals
(SDGs)
are
significant
in
guiding
modern
scientific
research.
In
recent
years,
scholars
have
paid
much
attention
to
MOFs
materials
as
green
materials.
However,
piezo
catalysis
of
has
not
been
widely
studied.
Piezoelectric
can
convert
mechanical
energy
into
electrical
energy,
while
effective
photocatalysts
for
removing
pollutants.
Therefore,
it
is
crucial
design
with
piezoelectric
properties
and
photosensitivity.
this
study,
sulfur-functionalized
metal-organic
frameworks
(S-MOFs)
were
prepared
using
organic
ligand
(H
The Journal of Physical Chemistry C,
Год журнала:
2024,
Номер
128(25), С. 10733 - 10741
Опубликована: Июнь 11, 2024
The
use
of
low-frequency
vibration
or
high-frequency
ultrasound
waves
to
create
polarization
and
an
inherent
electric
field
in
piezo-tribocatalysts
has
recently
been
shown
be
a
novel
advanced
oxidation
process.
In
this
study,
we
have
demonstrated
the
synthesis
two-dimensional
(2D)
ZnO
quantum
dots
(QDs)
their
strain-induced
tribocatalytic
effect,
where
triboelectric
charges
generated
under
influence
friction
strain
are
used
facilitate
decomposition
organic
dye
molecules.
catalytic
performance
2D
QD
catalysts
can
tuned
by
modulation
band-gap
variation,
which
typically
regarded
as
active
sites.
underlying
mechanism
for
is
due
presence
defective
dipole
moments.
Detailed
theoretical
investigations
reveal
charge-transfer-dependent
properties
QD–polymer
interface.
We
believe
that
present
work
provides
fundamental
understanding
design
high-performance
catalysis
applications
water
cleaning
emerging
technologies.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(21), С. 10011 - 10021
Опубликована: Май 16, 2024
The
combination
of
piezoelectric
catalysis
and
photocatalysis
could
effectively
enhance
the
carrier
separation
efficiency
further
improve
hydrogen
production
activity.
However,
polarization
always
suffers
from
a
low
strength,
which
severely
restricts
its
actual
applications.
In
this
study,
we
successfully
synthesized
novel
sulfur
vacancy-rich
Bi2S3/ZnSn
(OH)6
(BS-12/ZSH)
piezo-photocatalyst
for
evolution
through
water
splitting.
Notably,
piezo-photocatalytic
generation
rate
8%
BS-12/ZSH
catalyst
(336.21
μmol/g/h)
was
superior
to
that
pristine
ZSH
(29.71
BS-12
(21.66
μmol/g/h).
addition,
under
ultrasonic
coupling
illumination
significantly
higher
than
single
(52.09
ultrasound
(121.90
μmol/g/h),
owing
cooperative
interaction
vacancy
field.
Various
characterization
analyses
confirmed
(1)
introduction
vacancies
in
provided
more
active
sites,
(2)
with
acted
as
co-catalyst
accelerate
rate,
(3)
field
eliminated
electrostatic
shielding
offered
an
additional
driving
force,
promoted
electron–hole
pairs.
This
research
clearly
reveals
synergistic
effect
between
piezocatalysis
well
offers
promising
sight
rational
design
high-efficiency
piezo-photocatalysts.
