Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(41)
Published: July 11, 2023
Piezoelectric
materials
produce
charges
to
directly
act
on
cancer
medium
or
promote
the
generation
of
reactive
oxygen
species
(ROS)
for
novel
tumor
therapy
triggered
by
sonography.
Currently,
piezoelectric
sonosensitizers
are
mainly
used
catalyze
ROS
band-tilting
effect
sonodynamic
therapy.
However,
it
remains
a
challenge
high
piezovoltages
overcome
bandgap
barrier
direct
charge
generation.
Herein,
Mn-Ti
bimetallic
organic
framework
tetragonal
nanosheets
(MT-MOF
TNS)
designed
sono-piezo
(SP)-dynamic
(SPDT)
with
remarkable
antitumor
efficacy
in
vitro
and
vivo.
The
MT-MOF
TNS
comprise
non-centrosymmetric
secondary
building
units
Mn-Ti-oxo
cyclic
octamers
heterogeneous
components
piezoelectricity.
promotes
strong
sonocavitation
induce
SP
voltage
(2.9
V)
situ,
excite
charges,
which
is
validated
SP-excited
luminescence
spectrometry.
depolarize
mitochondrial
plasma
membrane
potentials
cause
overproduction
serious
cell
damage.
Importantly,
can
be
decorated
targeting
molecules
chemotherapeutics
more
severe
regression
combining
SPDT
chemodynamic
chemotherapy.
This
report
develops
fascinating
nano-semiconductor
provides
an
efficient
strategy
treatment.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(15)
Published: Jan. 23, 2023
Abstract
Photocatalytic
water
splitting
and
carbon
dioxide
(CO
2
)
reduction
provide
promising
solutions
to
global
energy
environmental
issues.
In
recent
years,
metal‐organic
frameworks
(MOFs),
a
class
of
crystalline
porous
solids
featuring
well‐defined
tailorable
structures
as
well
high
surface
areas,
have
captured
great
interest
toward
photocatalytic
CO
reduction.
this
review,
the
semiconductor‐like
behavior
MOFs
is
first
discussed.
We
then
summarize
advances
in
over
MOF‐based
materials
focus
on
unique
advantage
for
clarifying
structure‐property
relationship
photocatalysis.
addition,
some
representative
characterization
techniques
been
presented
unveil
kinetics
reaction
intermediates
systems.
Finally,
challenges,
perspectives
future
directions
are
proposed.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(44)
Published: Sept. 13, 2022
Solar-driven
overall
water
splitting
is
an
ideal
way
to
generate
renewable
energy
while
still
challenging.
For
the
first
time,
this
work
combined
covalent
organic
frameworks
(COFs)
and
piezoelectric
material
by
linkages
form
Z-scheme
core@shell
heterostructure
for
splitting.
Benefiting
from
synergistic
effect
between
polarized
electric
field
photo-generated
charges,
as
well
precise
adjustment
of
shell
thickness,
carrier
separation
utilization
efficiency
greatly
improved.
The
optimal
BiFeO3
@TpPa-1-COF
photocatalyst
revealed
hydrogen
(H2
)
oxygen
(O2
production
rates
1416.4
708.2
μmol
h-1
g-1
under
excitation
ultrasonication
coupled
with
light
irradiation,
which
best
performance
among
various
piezo-
COF-based
photocatalysts.
This
provides
a
new
sight
practical
application
highly
efficient
photocatalytic
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(29)
Published: May 13, 2022
The
piezo-assisted
photocatalysis
system,
which
can
utilize
solar
energy
and
mechanical
simulteneously,
is
promising
but
still
challenging
in
the
environmental
remediation
field.
In
this
work,
a
novel
metal-semiconductor
BaTiO3
@ReS2
Schottky
heterostructure
designed
it
shows
high-efficiency
on
photocatalytic
molecular
oxygen
activation.
By
combining
experiment
calculation
results,
distorted
metal-phase
ReS2
nanosheets
are
found
to
be
closely
anchored
surface
of
nanorods,
through
interfacial
ReO
covalent
bonds.
not
only
forms
electron-transfer
channels
also
exhibits
enhanced
activation
capacity,
helpful
produce
more
superoxide
radicals.
polarization
field
induced
by
piezoelectric
lower
barrier
thus
reduce
transfer
resistance
photogenerated
electrons
directing
.
As
result
synergy
effect
between
two
components,
untrahigh
activity
for
degradation
pollutants
with
an
apparent
rate
constant
0.133
min-1
photocatalysis,
16.6
2.44
times
as
that
piezocatalysis
respectively.
This
performance
higher
than
most
reported
-based
systems.
work
paves
way
design
materials
using
green
energies
nature.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
62(5)
Published: Nov. 1, 2022
Abstract
As
a
consequence
of
rapid
industrialization
throughout
the
world,
various
environmental
pollutants
have
begun
to
accumulate
in
water,
air,
and
soil.
This
endangers
ecological
environment
earth,
remediation
has
become
an
immediate
priority.
Among
techniques,
piezocatalytic
which
uniquely
take
advantage
piezoelectric
effect,
attracted
much
attention.
Piezoelectric
effects
allow
pollutant
degradation
directly,
while
also
enhancing
photocatalysis
by
reducing
recombination
photogenerated
carriers.
In
this
Review,
we
provide
comprehensive
summary
recent
developments
techniques
for
remediation.
The
origin
effect
as
well
classification
materials
their
application
are
systematically
summarized.
We
analyze
potential
underlying
mechanisms.
Finally,
urgent
problems
future
development
discussed.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(52)
Published: Oct. 17, 2022
Abstract
This
study
proposes
a
strategy
based
on
heterovalent
ion
doping
that
gives
rise
to
synergistic
piezo‐phototronic
effect
with
significantly
improved
catalytic
activity
and
leads
selective
enhancement
for
specific
pollutants.
Owing
the
enhanced
light
absorption,
hydrogen
evolution
rates
are
as
high
3704
3178
µmolg
−1
h
in
0.01Li‐doped
BaTiO
3
0.02La‐doped
nanosheets,
respectively,
under
simultaneous
irradiation
by
ultrasound
light,
factor
of
4.6
3.9
times
higher
than
pure
.
The
performance
also
far
exceeds
single
piezocatalysis,
photocatalysis,
or
sum
two
Li/La‐doped
nanosheets
due
effects
piezoelectric
field
promoting
photo‐induced
separation
electron‐hole
pairs.
Further,
carefully
selecting
donor
acceptor
doping,
significant
catalyst
pollutants
is
obtained
controlling
band
structure.
Compared
,
possesses
anionic
dyes
such
Methyl
blue
Malachite
Green,
reaching
0.067
1.379
min
while
exhibits
better
cationic
Rhodamine
B
Orange,
degradation
up
0.274
0.029
respectively.
offers
path
design
efficient
piezocatalysts
applications.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(11)
Published: Jan. 29, 2023
Abstract
Recent
years
have
witnessed
an
upsurge
of
interest
in
exploiting
advanced
photo‐/electrocatalysts
for
efficient
energy
conversion
and
environmental
remediation.
Constructing
internal
electric
fields
has
been
highlighted
as
a
rising
star
to
help
facilitate
various
catalytic
processes,
with
the
merits
promoting
charge
transfer/separation,
optimizing
redox
potential
creating
effective
active/adsorption
sites.
Internal
are
usually
formed
by
polarization
uneven
distributions
between
different
constituent
layers,
which
widely
exist
piezoelectrics,
polar
surface
terminations,
heterostructure
materials.
Herein,
groundbreaking
interdisciplinary
overview
latest
advances
construction
improve
photo(electro)catalytic
electrocatalytic
activity
is
provided.
This
critical
review
begins
encyclopedic
summary
classification,
advantages,
synthesis
strategies
fields.
Subsequently,
identification
methods
thoroughly
discussed
based
on
characterization
techniques,
experiments,
theoretical
calculations,
can
provide
profound
guidance
in‐depth
study
To
elaborate
theory–structure–activity
relationships
fields,
corresponding
reaction
mechanisms,
modification
strategies,
performance
jointly
discussed,
along
discussion
their
practical
applications.
Finally,
insightful
analysis
challenges
future
prospects
field‐based
catalysts
discussed.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(8), P. 7901 - 7910
Published: April 13, 2023
The
regulation
of
electrostatic
electric
fields
through
electrical
stimulation
is
an
efficient
method
to
increase
the
catalytic
activity
nanozymes
and
improve
therapeutic
effect
nanozyme
therapy.
Piezoelectric
materials,
which
are
capable
generating
a
built-in
field
under
ultrasound
(US),
not
only
but
also
enable
piezoelectric
sonodynamic
therapy
(SDT).
In
this
study,
sonosensitizer
based
on
Hf-based
metal–organic
framework
(UIO-66)
Au
nanoparticles
(NPs)
was
produced.
Under
US
irradiation,
UIO-66
can
generate
inside
promotes
electron–hole
separation
produces
reactive
oxygen
species
(ROS).
introduction
NPs
facilitated
electron
transfer,
inhibited
recombination
pairs
improved
properties
UIO-66.
value
constant
(d33)
increased
from
71
122
pmV–1
after
deposition
NPs.
addition,
intrinsic
catalase
peroxidase
activities
were
2-fold
induced
exposure.
vivo
in
vitro
experiments
revealed
that
proposed
kill
cancer
cells
inhibit
tumor
growth
mice
enhanced
SDT
sensitizer
work
proved
be
candidate
used
for
multiple
modalities
