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.
ABSTRACT
The
coupling
of
photocatalysis
and
piezocatalysis
has
gained
significant
interest
among
researchers.
In
this
study,
we
present
the
photo‐piezocatalytic
activity
exhibited
by
bismuth
titanate
(Bi
4
Ti
3
O
12
)
glass‐ceramics
(BTO‐GC).
BTO‐GC
samples
were
prepared
in
a
glass
system
40Bi
2
‐40B
‐20TiO
(in
mol
%)
using
melt‐quench
technique.
catalyst
was
characterized
X‐ray
diffraction
(XRD)
technique
Raman
spectroscopy
for
its
structure
phase
analysis.
Surface
morphology
chemical
composition
analyzed
scanning
electron
microscopy
(SEM)
photoelectron
(XPS),
respectively.
catalytic
performance
evaluated
photocatalysis,
piezocatalysis,
photo‐piezocatalysis
processes.
Methylene
blue
(MB)
dye
degradation
UV–Vis
spectrophotometer.
A
maximum
~86%
achieved
solar
light
process.
This
study
highlights
synergistic
advances
understanding
underlying
mechanism.
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.
