Journal of Materiomics,
Journal Year:
2024,
Volume and Issue:
11(2), P. 100877 - 100877
Published: May 16, 2024
The
poor
temperature
stability
of
the
BaTiO3
ceramic
has
always
been
main
problem
limiting
their
application.
This
situation
improved
but
sacrifices
intrinsic
polarization,
which
significantly
reduces
dielectric
constant.
In
this
work,
mechanism
multiple
polarization
was
creatively
introduced,
and
properties
BaTiO3-based
ceramics
are
simultaneously
enhanced.
particular,
Ba0.9925Bi0.005Ti0.995Ca0.005O2.995
(BBTC0.5)
sample
achieved
excellent
(−14.8%–8.85%)
over
an
ultra-wide
range
(−47–400
oC)
exhibited
colossal
permittivity
(27,125,
25
oC,
1
kHz)
low
loss
(0.07,
kHz).
properties,
complex
impedance
spectra
combined
with
XPS
results
indicate
that
defective
dipole
clusters
(,
)
along
surface
effects
lead
to
effect.
More
importantly,
SEM
images
show
presence
second
phase
at
grain
boundaries,
prevent
carriers
within
grains
from
accumulating
boundaries.
As
a
result,
reduced
further
extended.
strategy
breaks
traditional
limitation
single/noncomprehensive
enhancement
by
single-polarization
mechanism,
is
great
theoretical
practical
significance
promote
research
application
high-performance
materials.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(11), P. 4714 - 4758
Published: Jan. 1, 2023
This
review
analyzes
advanced
catalysts
and
C
2+
synthesis
mechanisms
based
on
theoretical
explorations
in
situ
/
operando
characterizations.
Triphasic
interface
optimization
is
discussed
for
the
potential
of
industry-compatible
stability.
Carbon Energy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 2, 2024
Abstract
Crystalline
perovskite
oxides
are
regarded
as
promising
electrocatalysts
for
water
electrolysis,
particularly
anodic
oxygen
evolution
reactions,
owing
to
their
low
cost
and
high
intrinsic
activity.
Perovskite
with
noncrystalline
or
amorphous
characteristics
also
exhibit
electrocatalytic
performance
toward
electrochemical
splitting.
In
this
review,
a
fundamental
understanding
of
the
advantages
crystalline,
noncrystalline,
is
presented.
Subsequently,
recent
progress
in
development
advanced
electrolysis
by
engineering
breaking
crystallinity
reviewed,
special
focus
on
underlying
structure–activity
relationships.
Finally,
remaining
challenges
unsolved
issues
presented,
an
outlook
briefly
proposed
future
exploration
next‐generation
water‐splitting
based
oxides.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 30, 2024
Abstract
Photocatalytic
CO
2
reduction
technology,
capable
of
converting
low‐density
solar
energy
into
high‐density
chemical
energy,
stands
as
a
promising
approach
to
alleviate
the
crisis
and
achieve
carbon
neutrality.
Semiconductor
metal
oxides,
characterized
by
their
abundant
reserves,
good
stability,
easily
tunable
structures,
have
found
extensive
applications
in
field
photocatalysis.
However,
wide
bandgap
inherent
oxides
contributes
poor
efficiency
photocatalytic
reduction.
Defect
engineering
presents
an
effective
strategy
address
these
challenges.
This
paper
reviews
research
progress
defect
enhance
performance
summarizing
classifications,
preparation
methods,
characterization
techniques.
The
focus
is
on
engineering,
represented
vacancies
doping,
for
improving
oxide
photocatalysts.
includes
advancements
expanding
photoresponse
range,
enhancing
photogenerated
charge
separation,
promoting
molecule
activation.
Finally,
provides
summary
current
issues
challenges
faced
along
with
prospective
outlook
future
development
technology.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(24), P. 14426 - 14436
Published: Jan. 1, 2024
The
enlarged
internal
electric
field
and
accelerated
H
2
O
oxidation
kinetics
synergically
enhance
the
CO
photoreduction
activity
of
Z-scheme
WO
3
/C
N
4
heterojunctions.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(33), P. 21677 - 21703
Published: Jan. 1, 2024
This
review
examines
recent
research
advances
for
photocatalytic
reduction
of
CO
2
to
C
2+
products
and
predicts
possible
future
directions
further
improve
the
selectivity
multi-carbon
species.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(13)
Published: Feb. 7, 2024
Abstract
Dye‐sensitized
photocatalytic
systems
(DSPs)
have
been
extensively
investigated
for
solar‐driven
hydrogen
(H
2
)
evolution.
However,
their
application
in
carbon
dioxide
(CO
reduction
remains
limited.
Furthermore,
current
CO
‐to‐CO
DSPs
typically
employ
rhenium
complexes
as
catalysts.
In
this
study,
we
developed
that
incorporate
noble
metal‐free
components,
specifically
a
zinc‐porphyrin
photosensitizer
(PS)
and
cobalt‐quaterpyridine
catalyst
(CAT).
Taking
significant
stride
forward,
achieved
an
antenna
effect
the
first
time
by
introducing
Bodipy
additional
chromophore
to
enhance
light
harvesting
efficiency.
The
energy
transfer
from
zinc
porphyrin
resulted
remarkable
stability
(turn
over
number
(TON)=759
vs.
CAT),
high
evolution
activity
(42
mmol
g
−1
h
CAT).
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 1, 2024
Abstract
Perovskite
oxides,
particularly
double
perovskite
have
drawn
significant
research
interest
within
the
fields
of
solid‐state
chemistry
and
materials
science.
As
a
quintessential
oxide,
Sr
2
Fe
1.5
Mo
0.5
O
6‐δ
(SFM)
has
unique
electronic,
magnetic,
catalytic
properties.
These
attributes
make
it
promising
candidate
for
energy
conversion
storage
applications.
This
review
offers
comprehensive
overview
advancements
using
SFM
across
various
applications,
including
solid
oxide
cells,
protonic
ceramic
electrocatalysis.
Notably,
highlights
emerging
optimization
strategies
that
enhance
functionality
based
on
fundamental
understanding
reaction
mechanisms.
The
concludes
by
discussing
persistent
challenges
facing
SFM‐based
functional
materials,
as
well
their
prospects,
considering
both
industrial