Journal of Colloid and Interface Science,
Journal Year:
2024,
Volume and Issue:
674, P. 972 - 981
Published: June 28, 2024
Piezo-photocatalysis
combines
photocatalysis
and
piezoelectric
effects
to
enhance
catalytic
efficiency
by
creating
an
internal
electric
field
in
the
photocatalyst,
improving
carrier
separation
overall
performance.
This
study
presents
a
high-performance
piezo-photocatalyst
for
efficient
dye
degradation
using
synergistic
barium
titanate
(BTO)-MXene
composite.
The
composite
was
synthesized
via
facile
method,
combining
unique
properties
of
BTO
nanoparticles
with
high
conductivity
MXene.
structural
morphological
analysis
confirmed
successful
formation
composite,
well-dispersed
on
MXene
surface.
piezo-photocatalytic
activity
evaluated
typical
solution
(Rhodamine
B:
RhB)
under
ultraviolet
irradiation
mechanical
agitation.
results
revealed
remarkable
enhancement
(90
%
15
min
piezo-photocatalysis)
compared
individual
stimuli
(58.2
95.8
90
piezocatalysis),
highlighting
between
enhanced
performance
attributed
charge
transfer
facilitated
composite's
structure,
leading
increased
reactive
species
generation
molecule
degradation.
Furthermore,
exhibited
excellent
stability
reusability,
showcasing
its
potential
practical
applications
wastewater
treatment.
Overall,
this
work
represents
promising
strategy
designing
catalysts,
addressing
pressing
need
sustainable
solutions
environmental
remediation.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(48)
Published: July 2, 2024
Abstract
Piezocatalysis
is
capable
of
harnessing
mechanical
energy
for
environmental
remediation,
which
regarded
as
a
green
and
promising
technology
to
be
exploited.
Piezoceramics
are
struggling
used
highly
efficient
piezocatalysts
due
their
grain
size
reaching
tens
micrometers
usually.
Herein,
feasible
straightforward
method
proposed
turn
piezoceramic
powders
into
by
integrating
optimization
oxygen
vacancy
modulation.
This
strategy
validated
treating
lead‐free
Sr
0.5
Ba
Nb
2
O
6
(SBN)
with
high‐energy
ball‐milling
(hBM).
The
rate
constant
k
value
46.95
×
10
−3
min
−1
rhodamine
B
(RhB)
piezocatalytic
degradation
SBN‐hBM‐12h
almost
18
times
higher
than
that
pristine
SBN.
Besides,
the
SBN‐hBM‐12
h
catalyst
performed
superior
antibacterial
properties
against
Escherichia
coli.
enhanced
efficiency
attributed
introduced
abundant
vacancies
absorbing
activating
reactive
species.
Well‐modulated
concentration
can
effectively
accelerate
generation
separation
free
carriers.
However,
excess
in
SBN
render
weakened
piezoresponse
thus
suppressing
activity.
study
elucidates
critical
role
piezocatalysis
provides
insights
development
piezocatalysts.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
2D
MXenes
and
silver
enhance
the
piezo
sensor
sensitivity
for
sound-induced
vibration.
These
flexible,
self-powered
sensors
enable
damage
detection
in
carbon
fiber
composites
structural
health
monitoring
automotive
aerospace
sectors.
ChemCatChem,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
Abstract
Piezoelectric
materials
offer
great
promise
due
to
their
ability
generate
electric
fields
under
mechanical
stress,
producing
surface
charges
that
drive
otherwise
kinetically
sluggish
redox
reactions.
The
strained
surfaces
of
these
provide
a
unique
advantage
in
controlling
product
selectivity
and
enabling
reaction
pathways
are
unattainable
with
conventional
methods.
This
perspective
highlights
advancements,
challenges,
the
future
potential
piezoelectric
synthetic
organic
chemistry,
focus
on
designing
optimized
for
piezocatalyzed
synthesis.
Piezocatalysis
is
industrially
relevant
because
its
operational
simplicity,
mild,
gram
scale
synthesis
reusable
catalysts,
minimal
solvent
use,
air
tolerant
conditions.
It
involves
cycles
facilitate
one
electron
events
without
requiring
light
exposure
or
electrical
bias.
Despite
significant
progress,
many
fundamental
aspects
yet
be
fully
understood.
One
example
correlation
between
piezoelectricity
catalytic
activity,
which
not
always
linear,
as
demonstrated
by
comparison
tetragonal
cubic
BaTiO₃.
While
BaTiO₃
piezoelectric,
it
shows
excellent
activity
certain
reactions
such
arylation,
dicarbonylation,
cyclization
mechanochemical
conditions
comparable
Considering
all
aspects,
this
aims
stimulate
discussion
advance
promising
field
right
direction.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 11, 2025
Abstract
Amid
the
global
energy
crisis
and
rising
emphasis
on
sustainability,
efficient
harvesting
has
become
a
research
priority.
Nanogenerators
excel
in
converting
abundant
mechanical
thermal
into
electricity,
offering
promising
path
for
sustainable
solutions.
Among
various
nanogenerator's
materials,
Polyvinylidene
fluoride
(PVDF),
with
its
distinctive
molecular
structure,
exhibits
multifunctional
electrical
properties
including
dielectric,
piezoelectric
pyroelectric
characteristics.
These
combined
excellent
flexibility
make
PVDF
prime
candidate
material
nanogenerators.
In
nanogenerators,
this
is
capable
of
efficiently
collecting
energy.
This
paper
discusses
how
PVDF's
are
manifested
three
types
nanogenerators
compares
performance
these
addition,
strategies
to
improve
output
demonstrated,
physical
chemical
modification
as
well
structural
optimization
such
hybrid
structures
external
circuits.
It
also
introduces
application
natural
human
harvesting,
prospects
medical
technologies
smart
home
systems.
The
aim
promote
use
self‐powered
sensing,
monitoring,
thereby
providing
valuable
insights
designing
more
versatile
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 29, 2025
Hydrogen
production
from
water
using
piezo-catalysis
is
increasingly
popular,
but
it
typically
requires
expensive
noble
metal
cocatalysts
to
speed
up
the
reactions.
In
this
study,
we
found
that
a
UV
irradiation
treatment
on
piezoelectric
material
BiOCl
enhances
its
H2
evolution
by
6.8
folds,
0.41
2.81
mmol/g/h,
even
outperforming
those
loaded
with
cocatalysts.
Our
experiments
and
simulations
revealed
prompts
in
situ
reduction
of
lattice
Bi3+
BiOCl,
creating
Bi
nanoparticles
surface.
These
serve
as
cocatalysts,
enhancing
hydrogen
(1)
capturing
piezo-generated
electrons
Bi's
higher
work
function;
(2)
facilitating
charge
transfer
between
due
their
intimate
contact;
(3)
improving
kinetics
more
suitable
H*
adsorption
strength.
This
UV-enhancement
technique
can
be
applied
various
Bi-based
materials
(e.g.,
BiOBr,
BiOI,
Bi2WO6,
etc.)
well
piezo-catalytic
dye
degradation
reactions,
demonstrating
versatility
potential
for
broader
applications.
research
provides
straightforward
cost-effective
approach
improve
performance
without
need
costly
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 6, 2025
Mechanically
driven
catalysis
(MDC)
has
emerged
as
an
effective
strategy
for
environmental
remediation,
renewable
energy
conversion,
and
cancer
therapy;
this
functions
by
converting
mechanical
forces
to
drive
catalytic
reactions.
This
review
examines
four
primary
mechanisms,
namely,
piezocatalysis,
flexocatalysis,
tribocatalysis,
sonocatalysis,
each
involving
specific
pathways
harnessing
at
the
nanoscale.
However,
significant
challenges
arise
in
decoupling
effects
related
individual
mechanism
order
better
understand
manipulate
their
synergies.
In
review,
fundamental
principles
underpinning
MDC
are
systematically
interpreted.
Beyond
mechanistic
insights,
recent
advancements
performance
enhancement
strategies
these
catalysts
highlighted.
Potential
applications
using
approaches
remediation
(pollutant
antibiotic
degradation
microbial
disinfection),
conversion
(hydrogen
production
greenhouse
gas
conversion),
biomedical
treatments
(particularly
therapy)
discussed.
Finally,
synergies
limiting
factors
explored,
addressing
overlooked
combined
of
ultrasound
activation
source,
complexities
force
interactions
nanoscale,
need
targeted
application
strategies.
Additionally,
industrial
potential
processes
with
consideration
scalability
practical
deployment
is
evaluated.
While
remain,
provides
a
roadmap
advancing
mechanically
catalyst
design
implementation
toward
real-world
applications,
offering
into
its
future
trajectory
transformative
impact
across
numerous
fields.
