ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
7(1), P. 295 - 303
Published: Dec. 19, 2024
Photoassisted
capture
of
uranium
provides
a
promising
strategy
for
the
sustainable
utilization
nuclear
energy.
Herein,
we
constructed
Cu2O/CuO
heterojunctions
in
situ
by
wet-etching
method,
showing
ultrafast
reaction
kinetics
and
photocatalytic
activity
U(VI)
reduction.
In
8
ppm
uranium-containing
wastewater,
exhibited
remarkable
extraction
efficiency
94.6%
within
10
min
under
irradiation,
which
exceeded
most
recently
reported
photocatalysts.
The
rate
constant
was
5.8-time
larger
than
that
pure
Cu2O.
A
mechanism
study
indicated
photogenerated
electrons
reduced
CuO
species
created
oxygen
vacancy
during
photocatalysis
process,
strengthened
binding
UO22+.
rapid
electron
transfer
over
heterojunction
interfaces
enhanced
UO22+
strength
formed
accounted
kinetics.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Abstract
Efficient
separation
of
photogenerated
charges
at
the
surface
photocatalysts
is
vital
for
achieving
high
photocatalytic
activity.
Here,
a
Bi/Bi
4
NbO
8
Cl
heterostructure
piezo‐photocatalyst
with
an
amorphous/crystalline
interface
(acBi/BNC)
prepared
by
in
situ
reduction
using
Bi
as
self‐sacrificial
template.
This
ingenious
design
synergistically
utilizes
advantages
structure,
localized
plasmon
resonance
effect,
and
piezoelectric
field.
The
formation
interfaces
induces
generation
oxygen
vacancies,
subsequently
lattice
distortions,
thus
improving
properties.
Theoretical
experimental
results
demonstrate
that
combination
field
promotes
effective
migration
between
bulk
catalysts.
Under
simultaneous
light
ultrasound,
optimal
(acBi/BNC‐3)
exhibit
superior
photodegradation
efficiency
tetracycline
reached
80%
within
5
min,
reaction
rate
(2.78
×
10
−1
min
)
7.8
5.4
times
pure
(BNC)
crystalline
(cBi/BNC),
respectively.
Furthermore,
piezo‐photocatalytic
degradation
surpasses
those
under
individual
photocatalysis
piezocatalysis
conditions.
work
provides
novel
rational
to
improve
spatial
charge
Bi‐based
catalysts
prepare
high‐performance
piezo‐photocatalysts
via
engineering.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(44)
Published: Aug. 28, 2024
Photo-assisted
Zn-air
batteries
can
accelerate
the
kinetics
of
oxygen
reduction
and
evolution
reactions
(ORR/OER);
however,
challenges
such
as
rapid
charge
carrier
recombination
continuous
electrolyte
evaporation
remain.
Herein,
for
first
time,
piezoelectric
catalysis
is
introduced
in
a
photo-assisted
battery
to
improve
separation
capability
ORR/OER
photoelectric
cathode.
The
designed
microhelical
catalyst
exploits
simple
harmonic
vibrations
regenerate
built-in
electric
field
continuously.
Specifically,
presence
low-frequency
kinetic
energy
that
occurs
during
water
flow,
piezoelectric-photocoupling
poly(vinylidene
fluoride-co-trifluoroethylene)@ferric
oxide(Fe@P(V-T))
periodically
deformed,
generating
constant
reconfiguration
separates
photogenerated
electrons
holes
Further,
on
exposure
microvibrations,
gap
between
discharge
potentials
Fe@P(V-T)-based
reduced
by
1.7
times
compared
without
assistance,
indicating
highly
effective
enhancing
photocatalytic
efficiency.
This
study
provides
thorough
understanding
coupling
polarization
strategy
storage
opens
fresh
perspective
investigation
multi-field
coupling-assisted
batteries.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
This
review
outlines
recent
advances
in
field-regulated
catalysis
and
reveals
the
key
role
of
dipole
manipulation
by
electric/magnetic/electromagnetic
fields.
Water,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1296 - 1296
Published: April 26, 2025
Piezoelectric
and
photocatalytic
technologies
use
mechanical
light
energy
to
decompose
environmental
contaminants,
demonstrating
a
beneficial
synergistic
impact.
This
investigation
employs
two-step
hydrothermal-calcination
technique
synthesize
N-doped
MoS2
materials.
The
ideal
catalyst,
N-MoS2-3,
utilizing
the
effect
of
piezoelectric–photocatalysis
processes,
attained
TC
degradation
rate
90.8%
in
60
min.
kinetic
constant
(0.0374
min−1)
is
1.75
times
greater
than
combined
rates
single
photocatalysis
piezoelectric
catalysis,
indicating
notable
material
has
80%
efficiency
after
five
cycles,
its
remarkable
resilience.
Mechanistic
investigations
reveal
that
nitrogen
doping
establishes
an
internal
electric
field
by
modulating
S-Mo-S
charge
distribution.
Photogenerated
electrons
move
generate
•O2−,
while
holes
accumulate
internally.
ultrasound-induced
polarization
interacts
with
photogenerated
reverse,
thereby
synergistically
improving
carrier
separation
facilitating
redox
processes.
study
emphasizes
viability
non-metal
as
method
for
modifying
properties
two-dimensional
materials,
offering
novel
approach
enhance
attributes
technology
possesses
significant
promise
restoration
through
utilization
solar
energy.
The
integration
of
piezoelectric
and
photocatalytic
materials
to
enhance
the
separation
photogenerated
charge
carriers
for
overall
water
splitting
(OWS)
gives
prospects
application
solar-to-chemical
energy
conversion.
However,
high
interfacial
resistance
poor
transport
remain
challenges
construction
piezo-photocatalytic
systems.
In
this
study,
we
applied
effect
photocatalysts
in
a
simple
universal
manner
through
building
electron
bridges,
achieving
an
apparent
quantum
efficiency
4.4%
at
wavelength
420
±
20
nm.
conducting
polymer
polyaniline
(PANI),
first
time,
was
used
bridge
material
ZnO
photocatalyst
(ZnO)1-x(GaN)x
by
situ
polymerization,
which
served
as
transfer
effect.
This
work
offers
new
possibilities
realizing
efficient
well
applicability
bridges
between
OWS.
