The Journal of Physical Chemistry C,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 31, 2024
This
study
investigated
the
effects
of
process
gas
pressure
on
properties
WO3
thin
films
deposited
by
RF
magnetron
sputtering
using
a
50%O2/50%Ar
gas.
The
film
consisted
an
amorphous
phase
at
pressures
>2.0
Pa
and
monoclinic
γ-WO3
lower
pressures.
energy
band
gap
decreased
upon
lowering
from
1.0
to
0.50
Pa.
Moreover,
concurrent
stretching
c-axis
due
lattice
expansion
was
observed
because
crystallite
size
decreases
low
Based
first-principles
calculations,
reduction
attributed
expansion.
Although
sputter
deposition
typically
produces
(001)-oriented
films,
(111)-oriented
achieved
0.20
is
explained
destabilization
stabilization
(001)
(111)
orientations,
respectively,
reduced
oxygen
activity
in
local
atmosphere,
orientations
expose
tungsten
atoms,
respectively.
However,
these
changes
did
not
affect
rate
coloration
proton
incorporation
diffusion,
possibly
dominated
diffusion
grain
boundaries
rather
than
within
grains.
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(18), С. 6156 - 6167
Опубликована: Янв. 1, 2024
The
advancement
of
the
extraction
uranium(
vi
)
(U(
))
from
seawater
holds
significant
strategic
importance
for
sustainable
progression
nuclear
energy.
Langmuir,
Год журнала:
2024,
Номер
40(35), С. 18695 - 18705
Опубликована: Авг. 22, 2024
Plasmonic
materials
are
fundamental
photosensitizer
for
photocatalytic
reactions.
Various
structures,
including
core-shell
types,
satellite
and
distribution
have
been
designed
prepared
the
optimization
of
However,
understanding
profound
enhancement
mechanism
various
structures
is
still
challenging.
Thus,
plasmonic
coverage
considered
to
be
an
index
analyzing
influence
mechanism.
Here,
Au@Ni-MOF
flower
sphere-like
photocatalysts
prepared,
size
sphere
can
precisely
regulated
by
varying
amount
Au.
different
coverages
realized
through
tuning
spheres
sizes.
The
high
catalysts
enhance
visible
light
absorption,
facilitate
generation
photogenerated
electron-hole
pairs,
shorten
carrier
transport
distance.
Moreover,
exponential
relationship
between
hydrogen
production
performance
also
used
as
a
guide
material
design.
As
result,
rate
3389
μmol·g
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
one-pot
synthesis
of
plasmonic
black
gold
will
facilitate
rapid
exploration
gold's
applications
in
a
range
fields
and
also
pave
the
way
for
scalable
industrial
deployment.
ACS Energy Letters,
Год журнала:
2024,
Номер
unknown, С. 6047 - 6054
Опубликована: Дек. 2, 2024
Non-oxidative
dehydrogenation
of
propane
produces
valuable
propylene
feedstocks
and
clean
hydrogen
fuel
but,
as
an
endothermic
reaction,
conventionally
requires
high
temperatures.
Here
we
report
a
photocatalyst
that
combines
plasmonic
Al@TiO2
core–shell
nanoparticles
with
Pt
single
atomic
active
sites
clusters,
capable
efficient
into
selectivity
using
visible
light
illumination.
Through
strong
metal–support
interactions,
the
reducible
TiO2
shell
layer
controls
nuclearity
exposed
species,
which
in
turn
their
photocatalytic
reactivity.
A
comparison
reaction
orders
for
light-driven
corresponding
thermally
driven
process
shows
hot
carriers
lower
apparent
C−H
activation
energy
barrier.
Plasmon-generated
carriers,
along
presence
low-coordination
sites,
suppress
further
prevent
coke
formation
would
otherwise
occur
on
extended
islands.
This
work
clearly
demonstrates
how
plasmonics
atom
catalysts
can
be
combined
high-specificity
design.
Semiconducting
oxynitrides
are
attractive
candidates
for
producing
solar
hydrogen,
while
the
abundant
defects
evolved
during
harsh
nitridation
synthesis
and
unfavorable
charge
transfer
properties
of
restrict
solar-to-hydrogen
conversion.
Herein,
by
virtue
high-entropy
design,
a
single-phase
oxynitride
{LaSmPrNdGd}TiO2N
(HE-LnTiO2N)
is
presented
toward
alleviating
these
issues
first
time.
It
found
that
HE-LnTiO2N
can
be
obtained
at
milder
conditions
than
those
conventional
one-element
oxynitrides,
which
beneficial
to
inhibiting
formation
reduced
Ti3+
act
as
recombination
centers.
Moreover,
combined
contribution
multiple
lanthanide
elements
modifies
electronic
structures
HE-LnTiO2N,
thus
enhancing
efficiency.
Consequently,
photocatalytic
hydrogen
evolution
activity
achieved
on
two
times
representative
SmTiO2N
under
visible
light
irradiation.
This
study
highlights
efficacy
great
potential
design
optimizing
materials
enhanced
energy
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
Abstract
Vacancy‐ordered
Cs
2
SnX
6
perovskites,
with
low‐toxicity
and
high
stability,
have
emerged
as
promising
photocatalysts
for
hydrogen
evolution
reaction
(HER).
However,
most
derivatives
low
catalytic
activity
mainly
due
to
their
insufficient
light
utilization
efficiency.
Herein,
a
simple
in
situ
method
is
introduced
sensitize
PtSnCl
Eosin
Y
(EY),
forming
EY‐Cs
HER
aqueous
solution.
Various
characterizations
indicate
that
the
EY
immobilized
onto
during
synthesis
process.
The
displayed
extended
absorption
range
efficient
charge
transfer
from
.
resulting
material
exhibits
rate
of
17.6
mmol
g
−1
h
,
≈1760
folds
than
pristine
This
work
demonstrates
an
effective
construct
dye‐sensitized
perovskites
highlights
importance
interaction
between
dye
perovskite.
It
provides
useful
guidance
design
new
perovskite‐based
it
will
advance
development
solar
energy
conversion
into
renewable
fuels.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 28, 2025
Transition
metal
phosphides
(TMPs)
are
widely
applied
in
electrocatalytic
reactions,
such
as
the
hydrogen
evolution
reaction
(HER),
due
to
their
excellent
physicochemical
properties.
However,
when
utilized
CO2
reduction
severe
limits
activation
of
molecules.
In
this
study,
oxygen
atoms
were
successfully
migrated
from
TiO2
into
Ni2P
nanoparticles
through
a
simple
impregnation
and
low-temperature
phosphidation
process,
constructing
an
O–Ni2P/TiO2
nanowire
array
electrode
that
modulates
surface
electronic
structure,
inhibits
evolution,
promotes
activation.
At
potential
−0.4
V
(vs
RHE),
CH4
production
rate
reached
1.46
μmol·h–1·cm–2,
with
Faraday
efficiency
11.8%,
maintained
long-term
stability
during
36-h
process.
situ
infrared
spectroscopy
revealed
CO*
CH3*
intermediates
easily
formed
on
material,
which
key
directly
related
CH4.
Further
density
functional
theory
(DFT)
calculations
indicated
oxygen-doped
has
lower
barrier
for
formation
CHO*,
thereby
facilitating
conversion
