Nanomaterials,
Год журнала:
2024,
Номер
14(11), С. 926 - 926
Опубликована: Май 24, 2024
Magnetic
separation
of
photocatalysts
holds
great
promise
for
water
treatment.
A
magnetic
method
has
a
positive
effect
on
the
recovery
catalysts
after
degradation.
In
this
paper,
an
efficient
and
reusable
catalytic
system
is
developed
based
coating
Fe3O4
by
depositing
Fe2+
surface
ZnO.
The
Fe3O4/ZnO
nanocomposite
exhibits
enhanced
performance
organic
pollutant
demonstrates
high
photocatalytic
activity
100%
degradation
efficiency
in
Rhodamine
B
(RhB)
under
UV
light
irradiation
50
min.
excellent
primarily
due
to
photogenerated
electron-hole
pairs
being
facilitated
strong
interaction
between
induction
endows
composite
with
superior
capability
from
water.
Experiments
different
radical
scavengers
revealed
that
hydroxyl
(·OH)
key
reactive
effective
RhB.
This
work
innovatively
affords
common
interfacial
dopant
deposition
strategy
application
dye
pollutants
catalyst
wastewater
efficiently.
Nano Letters,
Год журнала:
2024,
Номер
24(11), С. 3361 - 3368
Опубликована: Март 6, 2024
For
the
first
time,
a
series
of
MXene
(Ti3C2Tx)/Bi2WO6
Schottky
junction
piezocatalysts
were
constructed,
and
piezocatalytic
hydrogen
evolution
activity
was
explored.
Optimal
Ti3C2Tx/Bi2WO6
exhibits
highest
rate
764.4
μmol
g–1
h–1,
which
is
nearly
8
times
higher
than
that
pure
Ti3C2Tx
twice
as
high
Bi2WO6.
This
value
also
surpasses
most
recently
reported
typical
piezocatalysts.
Moreover,
related
experimental
results
density
functional
theory
calculations
reveal
can
provide
unique
channels
for
efficient
electron
transfer,
enhance
piezoelectric
properties,
optimize
adsorption
Gibbs
free
energy
water,
reduce
activation
atoms,
endow
robust
separation
capacity
charge
carrier,
restrict
electron–hole
recombination
rate,
thus
significantly
promoting
efficiency
reaction.
Ultimately,
we
have
unraveled
an
innovative
mechanism.
work
broadens
scope
materials
in
sustainable
piezocatalysis
application.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 27, 2025
Piezoelectric
catalysis
possesses
the
potential
to
convert
ocean
wave
energy
into
and
holds
broad
prospects
for
extracting
uranium
from
seawater.
Herein,
Z-type
ZnO@COF
heterostructure
composite
with
excellent
piezoelectric
properties
was
synthesized
through
in
situ
growth
of
covalent
organic
frameworks
(COFs)
on
surface
ZnO
used
efficient
extraction.
The
designed
COFs
shell
enables
stability,
abundant
active
sites
high-speed
electron
transport
channels.
Meanwhile,
interface
electric
field
established
heterojunctions
stimulates
transfer
ZnO,
which
break
edge
shielding
effect
ZnO's
metallic
state.
Additionally,
polarization
is
enhanced
by
heterogeneous
engineering,
ensures
piezocatalytic
performance.
As
a
result,
achieves
an
ultra-high
efficiency
7.56
mg
g−1
d−1
extraction
natural
seawater
driven
waves.
In
this
work,
we
open
avenue
developing
catalysts
A
seawater,
helping
realize
