Coatings,
Год журнала:
2023,
Номер
13(8), С. 1472 - 1472
Опубликована: Авг. 21, 2023
To
address
environmental
pollution
and
energy
shortage
issues,
titanium
dioxide
(TiO2)-based
photocatalysts,
as
an
efficient
removal
fuel
production
technology,
have
been
widely
used
in
the
field
of
photocatalysis.
In
practical
applications,
TiO2-based
photocatalysts
are
usually
prepared
on
various
substrates
to
realize
separation
catalyst
from
water
improve
photocatalytic
stability.
Herein,
research
progress
heterogeneous
coatings
deposited
glass
with
deposition
techniques
is
reviewed.
Such
composite
obtained
using
different
showed
excellent
self-cleaning,
removal,
air
purification,
antibiosis
performance.
The
for
preparation
TiO2
coatings,
such
wet
chemical
(WCD),
electrodeposition,
physical
vapor
(PVD),
(CVD)
were
discussed
together
applications
by
highlighting
typical
literature.
Finally,
challenges
prospects
developing
put
forward.
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Июнь 7, 2023
Multi-layer
2D
material
assemblies
provide
a
great
number
of
interfaces
beneficial
for
electromagnetic
wave
absorption.
However,
avoiding
agglomeration
and
achieving
layer-by-layer
ordered
intercalation
remain
challenging.
Here,
3D
reduced
graphene
oxide
(rGO)/MXene/TiO2/Fe2C
lightweight
porous
microspheres
with
periodical
intercalated
structures
pronounced
interfacial
effects
were
constructed
by
spray-freeze-drying
microwave
irradiation
based
on
the
Maxwell-Wagner
effect.
Such
approach
reinforced
via
defects
introduction,
skeleton,
multi-layer
assembly
multi-component
system,
leading
to
synergistic
loss
mechanisms.
The
abundant
2D/2D/0D/0D
heterojunctions
in
high
density
polarization
charges
while
generating
sites,
resulting
boosted
polarization,
which
is
verified
CST
Microwave
Studio
simulations.
By
precisely
tuning
nanosheets
heterostructures,
both
impedance
matching
improve
significantly.
At
low
filler
loading
5
wt%,
rate
exceeds
70%,
minimum
reflection
(RLmin)
-67.4
dB
can
be
achieved.
Moreover,
radar
cross-section
simulations
further
confirm
attenuation
ability
optimized
microspheres.
These
results
not
only
novel
insights
into
understanding
enhancing
effects,
but
also
constitute
an
attractive
platform
implementing
heterointerface
engineering
customized
hierarchical
architectures.
Abstract
Design
and
preparation
of
an
efficient
nonprecious
cocatalysts,
with
structural
features
functionality
necessary
for
improving
photocatalytic
performance
semiconductors,
remain
a
formidable
challenge
until
now.
Herein,
the
first
time,
novel
CoP
cocatalyst
single‐atom
phosphorus
vacancies
defects
(CoP‐V
p
)
is
synthesized
coupled
Cd
0.5
Zn
S
to
build
CoP‐V
@Cd
@CZS)
heterojunctions
photocatalysts
via
liquid
phase
corrosion
method
following
by
in
suit
growth
process.
The
nanohybrids
deliver
attractive
hydrogen
production
activity
2.05
mmol
h
−1
30
mg
under
visible‐light
irradiation,
which
14.66
times
higher
than
that
pristine
ZCS
samples.
As
expected,
further
enhances
charge‐separation
efficiency
ZCS,
addition
improvement
electron
transfer
efficiency,
confirmed
ultrafast
spectroscopies.
Mechanism
studies
based
on
density
functional
theory
calculations
verify
Co
atoms
adjacent
V
play
key
role
translation,
rotation,
transformation
electrons
H
2
O
reduction.
This
scalable
strategy
focusing
defect
engineering
provides
new
insight
into
designing
highly
active
cocatalysts
boost
application.
EcoEnergy,
Год журнала:
2023,
Номер
1(2), С. 248 - 295
Опубликована: Дек. 1, 2023
Abstract
In
the
advancing
world
of
graphene,
highly
anisotropic
2D
semiconductor
nanosheets,
notable
for
their
nanometer‐scale
thickness,
have
emerged
as
a
leading
innovation,
displaying
immense
potential
in
exploration
renewable
and
clean
energy
production.
These
garnered
significant
attention
from
researchers.
The
nanosheets
are
marked
by
extraordinary
electronic,
optical,
chemical
attributes,
positioning
them
attractive
foundational
components
heterogeneous
photocatalysts.
This
review
diligently
summarizes
both
seminal
work
ongoing
developments
pertaining
to
application
solar
within
context
photocatalysis.
We
begin
detailing
distinctive
properties
concentrating
on
pivotal
roles
augmenting
photocatalytic
efficiency,
explaining
intrinsic
mechanisms
that
govern
migration
rate
photogenerated
carriers
material's
surface.
Subsequently,
we
delineate
methods
employed
synthesize
typical
nanosheets.
alignment
with
overarching
objective
expanding
light
absorption
capacity
accelerating
charge
transfer,
also
examine
current
research
hybridization
techniques
involving
materials
varied
dimensions,
well
deployment
diverse
applications.
conclude
identifying
promising
avenues
challenges
await
further
this
burgeoning
field.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(18)
Опубликована: Фев. 21, 2024
In
this
study,
we
introduce
a
novel
approach
for
synthesizing
two-dimensional
(2D)
MXene
heterostructures
featuring
sandwiched
and
cross-linked
network
structure.
This
method
addresses
the
common
issue
of
activity
degradation
in
2D
nanomaterials
caused
by
inevitable
aggregation.
By
utilizing
distinct
surface
characteristics
MXene,
successfully
induced
growth
various
on
substrates.
strategy
effectively
mitigates
self-stacking
defects
augments
exposure
areas.
particular,
obtained
2D-2D
MXene@NiCo-layered
double
hydroxide
(MH-NiCo)
exhibit
enhanced
structural
stability,
improved
chemical
reversibility,
heightened
charge
transfer
efficiency,
outperforming
pure
NiCo
LDH.
The
aqueous
MH-Ni
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(48)
Опубликована: Июль 22, 2024
Abstract
The
development
of
efficient
photocatalysts
is
a
mainstay
for
the
advancement
photocatalytic
technology.
Heterojunction
can
overcome
inherent
limitations
single
photocatalysts,
integrating
advantages
each
component,
and
achieving
separation
photogenerated
charges,
making
them
research
focus
in
field
photocatalysis.
role
point
defects
reactions
diverse
significantly
influence
performance
photocatalysts.
This
review
comprehensively
summarizes
latest
advancements
defect
engineering
modulation
heterojunction
First,
types
their
impact
on
processes
are
introduced.
Subsequently,
common
presented.
Then,
accordance
with
recent
progress,
regulatory
mechanisms
within
outlined,
particular
functions
surface/interfacial
properties
charge
transfer
processes.
Finally,
challenges
faced
by
optimizing
promising
solutions
proposed.
provides
an
in‐depth
understanding
expectation
offering
insights
into
highly
active
materials.
