A Review of Visible-Light-Active Zinc Oxide Photocatalysts for Environmental Application
Catalysts,
Год журнала:
2025,
Номер
15(2), С. 100 - 100
Опубликована: Янв. 22, 2025
Zinc
oxide
(ZnO)
photocatalysts
have
emerged
as
a
promising
material
for
environmental
and
energy
applications
due
to
their
exceptional
photocatalytic
properties.
Initially
recognized
efficiency
under
ultraviolet
(UV)
light,
recent
advancements
focused
on
enhancing
ZnO’s
visible
light
activity
(VLA)
address
its
inherent
limitations.
This
review
provides
an
overview
of
structure,
electronic
properties,
mechanisms.
Various
strategies
modifying
ZnO
harness
including
metal
non-metal
doping,
dye
sensitization,
semiconductor
coupling,
are
discussed.
Special
emphasis
is
placed
the
mechanisms
behind
absorption
reactive
oxygen
species
(ROS)
generation,
deduced
through
physicochemical
photoelectrochemical
analyses.
The
in
remediation
comprehensively
explored,
particularly
water
treatment,
disinfection,
air
purification.
degradation
pollutants,
persistent
organic
compounds,
pharmaceuticals,
dyes,
pesticides,
using
reviewed
compared
with
conventional
UV-activated
materials.
underscores
potential
efficient
sustainable
solution
Язык: Английский
Exploring advanced microwave strategy for the synthesis of two-dimensional energy materials
Jingyan Cai,
Zhiao Wu,
Sangni Wang
и другие.
Applied Physics Reviews,
Год журнала:
2024,
Номер
11(4)
Опубликована: Ноя. 6, 2024
The
rapid
pace
of
technology
and
increasing
energy
demands
underscore
the
urgent
need
for
eco-friendly
materials
with
exceptional
conversion
storage
capabilities.
Two-dimensional
(2D)
materials,
characterized
by
unique
physicochemical
properties,
hold
great
promise
in
renewable
conversion,
catalysis,
electronics.
Nevertheless,
conventional
synthesis
methods
often
falter
balancing
high
quality,
yield,
cost-effectiveness,
presenting
substantial
obstacles
to
their
large-scale
application.
Microwave-assisted
synthesis,
its
efficient
process,
emerges
as
a
promising
approach
surmount
these
limitations.
This
review
meticulously
examines
pivotal
role
microwave-assisted
preparation
2D
highlighting
profound
impact
on
enhancing
material
quality
production
efficiency.
By
scrutinizing
physical
properties
microwaves
applications
elucidates
innovative
contributions
microwave
science.
Furthermore,
it
delves
into
intricate
influence
parameter
control
process
resultant
offering
insight
potential
precise
modulation
structure
functionality.
comprehensive
analysis
underscores
viable
solution
overcoming
current
challenges,
thereby
advancing
development
high-performance
materials.
Язык: Английский
Unleashing the Potential of Metastable Materials in Electrocatalytic Water Splitting
ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 524 - 543
Опубликована: Янв. 6, 2025
Electrocatalytic
water
splitting
is
pivotal
for
advancing
the
hydrogen
economy,
yet
conventional
stable-phase
catalysts
are
constrained
by
rigid
crystal
structures
and
electronic
states,
leading
to
fixed
active
sites,
limited
adaptability,
sluggish
kinetics.
Metastable
materials
emerge
as
promising
alternatives
due
their
structural
flexibility
tunable
properties;
however,
dynamic
regulatory
mechanisms
remain
underexplored.
This
review
uniquely
offers
a
comprehensive
analysis
of
metastable
catalysts,
emphasizing
how
factors
such
size,
phase
structure,
properties,
defects,
interfaces
significantly
enhance
catalytic
performance.
By
dissecting
range
(metals,
alloys,
oxides,
sulfides,
nitrides,
hydroxides),
we
elucidate
precise
modulation
strategies
that
improve
efficiency
stability.
Practical
applications
highlight
superior
adaptability
activity
compared
traditional
catalysts.
Addressing
key
challenges
technical
bottlenecks,
this
provides
innovative
insights
strategic
directions
optimizing
materials,
thereby
efficient
sustainable
energy
conversion
technologies.
Язык: Английский
Electroplating of Ni-W coating on Zn surface for durable Zn ion batteries
Khanothai Choonha-Anothai,
Chengwu Yang,
Meijing Wang
и другие.
Microstructures,
Год журнала:
2025,
Номер
5(3)
Опубликована: Апрель 18, 2025
Aim:
Aqueous
zinc
(Zn)-ion
batteries
have
gained
recognition
as
a
promising
energy
storage
solution
due
to
their
abundant
resources,
cost-effectiveness,
high
density,
and
inherent
safety.
However,
practical
application
is
significantly
limited
by
issues
such
dendrite
formation
parasitic
side
reactions,
which
undermine
the
stability,
efficiency,
longevity
of
Zn
anodes.
Methods:
In
this
study,
we
present
novel
approach
introducing
nanocrystalline
nickel-tungsten
(Ni-W)
coating
onto
anodes
via
electrodeposition.
This
acts
functional
interface,
regulating
dissolution
deposition,
suppressing
growth,
minimizing
reactions.
Additionally,
W
enhances
Zn2+
ion
adsorption,
reduces
nucleation
barriers,
promotes
uniform
growth
along
(002)
crystallographic
plane.
Results:
The
compact
morphology
Ni-W
layer
further
serves
protective
barrier,
improving
electrode
stability
during
extended
cycling.
Ni-0.1W@Zn
anode
demonstrates
outstanding
electrochemical
performance,
achieving
over
2,000
h
stable
operation
at
1
mA
cm-2
with
Coulombic
efficiency
98%.
full
cell
configurations
paired
Ni-0.1W@Zn||V2O5,
system
retains
81%
its
capacity
after
1,500
cycles
A
g-1.
Conclusion:
These
findings
highlight
transformative
potential
scalable
sustainable
address
fundamental
limitations
anodes,
paving
way
for
advanced
durable
technologies
critical
renewable
systems.
Язык: Английский
Harnessing the Unconventional Cubic Phase in 2D LaNiO3 Perovskite for Highly Efficient Urea Oxidation
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
64(1)
Опубликована: Сен. 21, 2024
Phase
engineering
is
a
critical
strategy
in
electrocatalysis,
as
it
allows
for
the
modulation
of
electronic,
geometric,
and
chemical
properties
to
directly
influence
catalytic
performance.
Despite
its
potential,
phase
remains
particularly
challenging
thermodynamically
stable
perovskites,
especially
2D
structure
constraint.
Herein,
we
report
LaNiO
Язык: Английский
Harnessing the Unconventional Cubic Phase in 2D LaNiO3 Perovskite for Highly Efficient Urea Oxidation
Angewandte Chemie,
Год журнала:
2024,
Номер
137(1)
Опубликована: Сен. 21, 2024
Abstract
Phase
engineering
is
a
critical
strategy
in
electrocatalysis,
as
it
allows
for
the
modulation
of
electronic,
geometric,
and
chemical
properties
to
directly
influence
catalytic
performance.
Despite
its
potential,
phase
remains
particularly
challenging
thermodynamically
stable
perovskites,
especially
2D
structure
constraint.
Herein,
we
report
LaNiO
3
perovskite
using
strongly
non‐equilibrium
microwave
shock
method.
This
approach
enables
synthesis
conventional
hexagonal
unconventional
trigonal
cubic
phases
by
inducing
selective
transitions
at
designed
temperatures,
followed
rapid
quenching
allow
precise
control
while
preserving
porous
structure.
These
induce
structural
distortions
[LaO]
+
layers
hybridization
between
Ni
d
O
2
p
states,
modifying
local
charge
distribution
enhancing
electron
transport
during
six‐electron
urea
oxidation
process
(UOR).
The
offers
optimal
active
site
accessibility
due
high
symmetry
open
interlayer
spacing,
resulting
low
onset
potential
1.27
V
Tafel
slope
33.1
mV
dec
−1
UOR,
outperforming
most
current
catalysts.
Our
features
designability
engineering,
enabling
various
electrocatalysts
harness
power
phases.
Язык: Английский
Regulating V2O5 Layer Spacing by a Polyaniline Molecule Chain to Improve Electrochemical Performance in Salinity Gradient Energy Conversion
Langmuir,
Год журнала:
2024,
Номер
40(42), С. 22462 - 22476
Опубликована: Окт. 10, 2024
Salinity
gradient
energy
is
a
chemical
potential
between
two
solutions
with
different
ionic
concentrations,
which
also
an
ocean
at
the
junction
of
rivers
and
seas.
In
our
original
work,
device
"activated
carbon//(0.083
M
Na2SO4,
0.5
Na2SO4)//vanadium
pentoxide"
for
conversion
salinity
was
designed,
value
6.29
J
g–1
obtained.
However,
low
specific
surface
area
V2O5
inevitably
resulted
in
limited
active
sites
slow
transport
rates,
inherent
lower
conductivity
narrower
layer
spacing
poor
electrode
kinetic
performance
cycle
stability,
hindering
its
practical
application.
To
solve
above
problems,
present
work
provides
strategy
using
polyaniline
(PANI)
molecule
chain
intercalation
to
regulate
V2O5,
through
expansion
traction
spacing,
composite
PANI/V2O5
(PVO)
high
prepared
used
as
anode
material
electrochemical
The
significantly
increased
crystal
plane
(001)
corresponding
confirmed
PANI
by
hydrogen
bonding
van
der
Waals
force.
more
realize
fast
Na+
migration
rate
capacitance.
Meanwhile,
inserted
chain,
acts
not
only
pillar
enlarging
diffusion
channel
but
anchor
locking
gap
bilayers,
improves
structural
stability
during
process.
proposed
insertion
conductive
polymer
has
created
new
way
improve
device.
Язык: Английский