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.
Progress in Materials Science,
Journal Year:
2023,
Volume and Issue:
138, P. 101161 - 101161
Published: July 16, 2023
Piezocatalysis,
an
evolving
catalytic
technology
built
on
the
piezoelectric
properties
of
catalysts,
breaks
down
barrier
between
mechanical
energy
and
chemical
energy.
The
potential
difference
that
arises
from
deformation
a
material
is
commonly
termed
'piezopotential'.
Piezopotential
has
been
demonstrated
to
facilitate
manipulation
band
structure
and/or
charge
carrier
separation.
Despite
significant
efforts
design
materials
understand
mechanism
piezoelectrically
enhanced
chemistry
through
semiconductor
physics,
there
remains
opportunity
review
relationships
performance
piezo/ferroelectric
properties.
Herein,
we
provide
comprehensive
summary
mechanisms
correlated
physical
in
field
piezocatalysis.
A
fundamental
understanding
structural
based
solid-state
physics
can
be
used
shed
light
future
development
In
addition,
types
materials,
strategies
for
catalysis
efficiency
enhancement,
up-to-date
applications
environment
remediation,
renewable
conversion,
biomedicine
biotechnology
are
discussed.
Finally,
perspectives
designing
developing
highly
active
piezocatalysts
using
guidelines
physicochemical
proposed.
Materials Horizons,
Journal Year:
2023,
Volume and Issue:
10(4), P. 1140 - 1184
Published: Jan. 1, 2023
Malignant
tumors
are
one
of
the
main
diseases
leading
to
death,
and
vigorous
development
nanotechnology
has
opened
up
new
frontiers
for
antitumor
therapy.
Currently,
researchers
focused
on
solving
biomedical
challenges
associated
with
traditional
anti-tumor
medical
methods,
promoting
research
nano-drug
carriers
nano-drugs,
which
brings
great
hope
improving
curative
effect
reducing
toxic
side
effects.
Among
systems
being
investigated,
piezoelectric
nano
biomaterials,
including
ferroelectrics,
pyroelectric
materials,
have
recently
received
extensive
attention
applications.
By
coupling
force,
light,
magnetism
or
heat
electricity,
polarized
charges
generated
in
these
materials
microscopically,
forming
a
piezo-potential
establishing
built-in
electric
field.
Polarized
can
directly
act
tumor
micro-environment
also
assist
separation
inhibit
recombination
based
theory
optoelectronic
theory.
Based
this,
convert
various
forms
primary
energy
(such
as
light
energy,
mechanical
thermal
magnetic
energy)
from
surrounding
environment
into
secondary
electrical
chemical
energy).
Herein,
we
review
basic
principles
ferroelectric
nanomedicine.
Then,
summarize
types
reported
date
their
wide
applications
treatment,
imaging,
device
construction
probe
detection
treatment
fields.
discuss
relevant
characteristics
post-processing
strategies
biomaterials
obtain
maximum
response.
Finally,
present
key
future
prospects
ferroelectric,
nanomaterial-based
nanoagents
efficient
harvesting
conversion
desirable
therapeutic
outcomes.
Photocatalytic
oxidation
has
gained
great
interest
in
environmental
remediation,
but
it
is
still
limited
by
its
low
efficiency
and
catalytic
deactivation
the
degradation
of
aromatic
VOCs.
In
this
study,
we
concurrently
regulated
surface
hydroxyl
oxygen
vacancies
introducing
Al
into
ZnSn
layered
double
hydroxide
(LDH).
The
presence
distorted
species
induced
local
charge
redistribution,
leading
to
remarkable
formation
vacancies.
These
subsequently
increased
amount
elongated
bond
length.
synergistic
effects
greatly
enhanced
reactant
adsorption-activation
facilitated
transfer
generate
•OH,
•O2–,
1O2,
resulting
highly
efficient
ring-opening
various
Compared
with
commercial
TiO2,
optimized
ZnSnAl-50
catalyst
exhibited
about
2-fold
activity
for
toluene
styrene
10-fold
chlorobenzene
degradation.
Moreover,
demonstrated
exceptional
stability
photocatalytic
under
a
wide
humidity
range
0–75%.
This
work
marvelously
improves
efficiency,
stability,
adaptability
through
novel
strategy
engineering.
