Halide
perovskites
(HPs),
renowned
for
their
intriguing
optoelectronic
properties,
such
as
robust
light
absorption
coefficient,
long
charge
transfer
distance,
and
tunable
band
structure,
have
emerged
a
focal
point
in
the
field
of
photocatalysis.
However,
photocatalytic
performance
HPs
is
still
inhibited
by
rapid
recombination,
insufficient
potential
energy,
limited
number
surface
active
sites.
To
overcome
these
limitations,
integration
two-dimensional
(2D)
materials,
characterized
shortened
pathways
expansive
areas,
into
HP/2D
heterostructures
presents
promising
avenue
to
achieve
exceptional
interfacial
including
extensive
absorption,
efficient
separation
transfer,
energetic
redox
capacity,
adjustable
characteristics.
Herein,
comprehensive
review
delving
fundamentals,
engineering,
carrier
dynamics
material
presented.
Numerous
photocatalysts
fabricated
through
diverse
strategies
architectures
are
systematically
described
categorized.
More
importantly,
enhanced
properties
thoroughly
investigated
discussed.
Finally,
an
analysis
challenges
faced
development
photocatalysts,
alongside
insightful
recommendations
barriers,
provided.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Abstract
Piezoelectric
catalysis
for
tumor
treatment
is
an
emerging
method
generating
reactive
oxygen
species
(ROS).
However,
the
development
and
optimization
of
piezoelectric
catalytic
nanomaterials
remain
major
challenge.
Herein,
by
regulating
internal
surface
defects
graphene
phase
carbon
nitride
(defect‐engineered
g‐C
3
N
4
),
its
piezoelectricity
sonocatalytic
performance
enhanced,
thus
achieving
efficient
treatment.
By
reducing
bulk
defects,
charges
excited
ultrasound
(US)
within
defect‐engineered
can
migrate
more
rapidly
to
material
surface,
thereby
enhancing
their
participation
in
redox
reactions.
Increasing
not
only
introduce
active
sites
on
but
also
enhance
asymmetry
structure,
resulting
excellent
properties.
This
nanosheet
effectively
generate
ROS
cells
induce
cell
apoptosis
under
US
stimulation.
work
introduces
a
expands
potential
application
materials
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
The
presence
of
defects
can
significantly
improve
catalytic
activity
and
stability,
as
they
influence
the
binding
reactants,
intermediates,
products
to
catalyst.
Controlling
in
structures
nanocrystal
catalysts
is
synthetically
challenging.
In
this
study,
we
demonstrate
ability
control
growth
Ir
nanocrystals,
enabling
tuning
both
structural
surface
defects.
nanocrystals
have
unique
that
range
from
single
crystals
a
few
nanometers
twinned
nanoparticles
multiply
crystallites
with
high
density
atomic
steps.
This
approach
defect
engineering
enables
us
understand
their
roles
enhancing
performance
OER
producing
an
catalyst
stability.
Our
results
show
importance
concept
using
synthetic
metal
strategy
performance.
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 23, 2025
Nanozymes
are
attracting
widespread
attention
as
effective
alternatives
to
overcome
the
limitations
of
natural
enzymes.
However,
their
catalytic
performance
is
unsatisfactory
due
low
activity
and
specificity.
In
this
work,
an
efficient
metal-organic
framework
(MOF)
nanozyme
mimicking
active
centers
enzymes
has
been
developed
its
catalysis
mechanism
thoroughly
investigated.
The
partial
histidine-
arginine-doped
Fe-MOF
(HA
Fe-MOF)
demonstrated
activate
structure
reconstruction
with
abundant
oxygen
vacancy
generation,
which
promotes
binding
capacity
HA
Fe-MOF.
Fe
sites
in
act
for
decomposition
H2O2.
Intriguingly,
histidine
arginine
can
form
hydrogen
bonds
H2O2
observed
enzymes,
constituting
a
unique
microenvironment
that
increases
local
concentration
Benefiting
from
establishment
such
enzyme-mimicking
centers,
exhibits
high
peroxidase-like
specificity
activity.
addition,
holds
great
potential
detecting
uranyl
ions
limit
detection
0.012
μM,
surpassing
most
reported
nanozymes.
This
work
achieves
rational
design
highly
specific
nanozymes
by
structure-selectivity
relationship
peroxidases,
provides
new
insights
into
advanced
configurations.
